Tag Archives: worm reducer gearbox

China Standard Single Worm Gear Box and Worm Gear Speed Reducer Lump Breaker Gearbox differential gearbox

Product Description

Product Description

Ratio: 5:1~60:1(Single)/80:1~3600:1(2 Stage);
Input Power: 0.12~15KW;
Max. Output Torque: 4320N.m(Single);
Input Style: Compact with motor, shaft input, motor adaptor (IEC/NEMA);
Output Style: Hollow shaft output, CHINAMFG shaft output;
Installation Position: Versatile MP.

 

Detailed Photos

Images of FCA Single Worm Gear Box and Worm Gear Speed Reducer

 

Packaging & Shipping

Packing Images of FCA Single Worm Gear Box and Worm Gear Speed Reducer
 

Inner Packing: PP bag with carton;
Outer Packing: Wooden case;
Shipment: 14-20 days CHINAMFG receiving the deposit.
 

 

Company Profile

CHINAMFG GROUP is the first and largest worm gearbox manufacturer in China, established in 1976, specialising in the production of a wide variety of transmission machinery. With more than 40 years experience in the industry, our assets now total 117.2 million dollars, and we have 2 subsidiary companies, 8 holding companies, and 12 joint-stock companies.

We can produce 400,000 units of worm gearboxes, 100,000 units of gear reducers, 50,000 units of other speed reducers, 150,000 units of flexible couplings, and 100,000 units of speed-reducer accessories every year.

70% of our products have been exported to 40 more countries, and our customers come from Italy, Germany, USA, Canada, Spain, UK, India, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries. 30% of them are OEM made for direct manufacturers of other products.

 

 

FAQ

Q1. Is your quality good?
A1: Quality never tell lies, we’re the largest manufacturer and exporter of worm gear reducer in Asia, the first reducers and gearboxes manufacturer in China, who has been given license since 1993. Also, we had achieved ISO9001 and CE Certificate among all manufacturers.

Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.

Q3. Do you offer any visiting?
A3: Yes! We sincerely invite you to visit us! We can pick you from airport, railway station and so on. Also, we can arrange housing for you. Please let us know in advanced.

Q4. When is the best time to contact you?
A4: You can contact us by email any time, we will reply you ASAP. If you want contact by phone, our working hour is Mon-Sat 9am-17:30pm.

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motorcycle, Machinery
Function: Distribution Power, Change Drive Torque
Layout: Vertical
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
Customization:
Available

|

Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Does a Worm Reducer Require Frequent Maintenance?

Worm reducers generally require less frequent maintenance compared to some other types of gearboxes due to their design and operating characteristics. However, maintenance is still essential to ensure optimal performance and longevity. Here are some key points to consider:

  • Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
  • Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
  • Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
  • Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
  • Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
  • Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
  • Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.

While worm gearboxes are known for their durability and self-locking feature, neglecting maintenance can lead to premature wear, reduced efficiency, and potential breakdowns. Following the manufacturer’s recommendations for maintenance intervals and procedures is essential to keep the worm reducer in optimal condition.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Standard Single Worm Gear Box and Worm Gear Speed Reducer Lump Breaker Gearbox differential gearbox China Standard Single Worm Gear Box and Worm Gear Speed Reducer Lump Breaker Gearbox differential gearbox
editor by CX 2024-05-07

China wholesaler Nnrv (FCNDK) Worm Gearbox Made of High-Quality Aluminium Alloy Reducer for Filters with Hot selling

Product Description

Product Description

1.made-of high-quality aluminium alloy, light weight and non-rusting
2. large output torque
3. smooth running and low noise
4. high radiating efficiency
5. good-looking appearance,durable service life and small volume
6. suitable for omnibeaing installation

 

 
FCNDK
 
 

   

Size
 		  A
 		  B
 		  C
 		  D(H7)
 		  D1(J6)
 		  E
 		  F
 		  G
 		  G1
 		 G2 
 		  H
 		  I
 		  L
 		  M
 		  N(h8)
 		  N1
 		  O
 		  P
 		  Q
 		 R 
 
 30
 		  54
 		  20
 		  80
 		  14
 		  9
 		 97 
 		 32
 		 55
 		 63
 		 51
 		 40
 		 30
 		 56
 		 65
 		 55
 		 29
 		 6.5
 		 75
 		 44
 		 57
 
 40
 		  70
 		  23
 		  100
 		  18(19)
 		  11
 		 121.5 
 		 43 
 		 70 
 		 78
 		 60
 		 50
 		 40
 		 71
 		 75
 		 60
 		 36.5
 		 6.5
 		 87
 		 55
 		 71.5
 
 50
 		  80
 		  30
 		  120
 		  25(24)
 		  14
 		 144 
 		 49 
 		 80
 		 92
 		 74
 		 60
 		 50
 		 85
 		 85
 		 70
 		 43.5
 		 8.5
 		  100
 		 64
 		 84
 
 63
 		  100
 		  40
 		  144
 		  25(28)
 		  19
 		  174
 		 67
 		 95
 		 112
 		 90
 		 72
 		 63
 		 103
 		 95
 		 80
 		 53
 		 8.5
 		 110
 		 80
 		 102
 
 75
 		  120
 		  50
 		  172
 		  28(35)
 		  24
 		  205
 		 72
 		 112.5
 		 120
 		 105
 		 86
 		 75
 		 112
 		 115
 		 95
 		 57
 		 11
 		 140
 		 93
 		 119
 
 90
 		  140
 		  50
 		  208
 		  35(38)
 		 24
 		 238 
 		 74 
 		 129.5
 		 140
 		 125
 		 103
 		 90
 		 130
 		 130
 		 110
 		 67
 		 13
 		 160
 		 102
 		 135
 
 110
 		  170
 		  60
 		  252.5
 		  42
 		  28
 		  295
 		 – 
 		 160
 		 155
 		 142
 		 127.5
 		 110
 		 144
 		 165
 		 130
 		 74
 		 14
 		 200
 		 125
 		 167.5
 
 130
 		  200
 		  80
 		  292.5
 		  45
 		  30
 		  335
 		 –
 		 180
 		 170
 		 162
 		 147.5
 		 130
 		 155
 		 215
 		 180
 		 81
 		 16
 		 250
 		 140
 		 187.5
 

 

Size
 		  S
 		 T
 		 V
 		 K
 		 KA 
 		 KB 
 		  KC
 		 KE 
 		 α 
 		  α1
 		  KM
 		  KN(H8)
 
F
 		 FB
 		 FL
 		 F
 		 FB
 		 FL
 		 F
 		 FB
 		 FL
 		 F
 		 FB
 		 FL
 		 F
 		 FB
 		 FL
 
30
 		 5.5
 		 21
 		 27
 		 44
 		 54.5
 		 –
 		 –
 		 6
 		 –
 		 –
 		 4
 		 –
 		 –
 		 M6X11(n,4)
 		 0 0
 		 45 0
 		 68
 		 –
 		 –
 		 50
 		 –
 		 –
 
40
 		 6.5
 		 26
 		 35
 		 60
 		 67
 		 76.5
 		 97
 		 7
 		 9
 		 7
 		 4
 		 5
 		 4
 		 M6X8(n,4)
 		 45 0
 		 45 0
 		 87
 		 115
 		 87
 		 60
 		 95
 		 60
 
50
 		 7
 		 30
 		 40
 		 70
 		 90
 		 87.5
 		 120
 		 9
 		 10
 		 9
 		 5
 		 5
 		 5
 		 M8X10(n,4)
 		 45 0
 		 45 0
 		 90
 		 130
 		 90
 		 70
 		 110
 		 70
 
63
 		 8
 		 36
 		 50
 		 85
 		 82
 		 99
 		 112
 		 10
 		 11
 		 10
 		 6
 		 5
 		 6
 		 M8X14(n,8)
 		 45 0
 		 45 0
 		 150
 		 165
 		 150
 		 115
 		 130
 		 115
 
75
 		 10
 		 40
 		 60
 		 90
 		 111
 		 –
 		 –
 		 13
 		 –
 		 –
 		 6
 		 –
 		 –
 		 M8X14(n,8)
 		 45 0
 		 45 0
 		 165
 		 –
 		 –
 		 130
 		 –
 		 –
 
90
 		 11
 		 45
 		 70
 		 100
 		 111
 		 –
 		 –
 		 13
 		 –
 		 –
 		 6
 		 –
 		 –
 		 M10X18(n,8)
 		 45 0
 		 45 0
 		 175
 		 –
 		 –
 		 152
 		 –
 		 –
 
110
 		 14
 		 50
 		 85
 		 115
 		 131
 		 –
 		 –
 		 15
 		 –
 		 –
 		 6
 		 –
 		 –
 		 M10X18(n,8)
 		 45 0
 		 45 0
 		 230
 		 –
 		 –
 		 170
 		 –
 		 –
 
130
 		 15
 		 60
 		 100
 		 120
 		 140
 		 –
 		 –
 		 15
 		 –
 		 –
 		 6
 		 –
 		 –
 		 M12X21(n,8)
 		 45 0
 		 22.5 0
 		 256
 		 –
 		 –
 		 180
 		 –
 		 –
 

 

 Size
 		  KO
 		  KP
 		 KQ 
 		  b
 		  b1
 		  f
 		  t
 		 t1 
 		  kg
 
F
 		 FL
 		 FB
 		 F
 		 FB
 		 FL
 		 F
 		 FB
 		 FL
 
30
 		 6.5(n,4)
 		 –
 		 –
 		 80
 		 –
 		 –
 		 70
 		 –
 		 –
 		 5
 		 3
 		 –
 		 16.3
 		 10.2
 		 1.2
 
40
 		 9(n,4)
 		 9.5(n,4)
 		 9(n,4)
 		 110
 		 140
 		 110
 		 95
 		 –
 		 95
 		 6(6)
 		 4
 		 –
 		 20.8(21.8)
 		 12.5
 		 2.3
 
50
 		 11(n,4)
 		 9.5(n,4)
 		 1                        
            180
 		 142
 		 –
 		 142
 		 8(8)
 		 6
 		 M6
 		 28.3(31.3)
 		 21.5
 		 6.2
 
75
 		 14(n,4)
 		 –                          
                –
 		 –
 		 14
 		 8
 		 M10
 		 48.8
 		 33.0
 		 48
 

 

Company Profile

Formerly known as HangZhou Reducer Factory, CHINAMFG Group was founded in 1976.

Presently, our commitment extends beyond manufacturing as we engage in diligent research and trading endeavors. Our primary focus centers on power transmission products, constituting the core of our business operations.

Having invested a total of 2 billion Yuan in land spHangZhou an impressive 200,000 square meters, our workforce of 1000 dedicated employees now produce over 3,500 distinct types of gearboxes each day, serving the global market.

With unwavering commitment to research and development over a span of 45 years, CHINAMFG takes great pride in holding the esteemed distinction of being the largest manufacturer of small and medium-sized speed reducers in Asia.

Our main products range from Worm Gear Reducers, Helical Gear Reducers, Helical Bevel Reducers, Shaft Mounted Reducers to Slewing drives and more.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction
Layout: Vertical
Hardness: Hardened
Installation: Horizontal Type
Step: Double-Step
Customization:
Available

|

Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

  • Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
  • Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
  • Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
  • Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
  • Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
  • Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
  • Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
  • Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
  • Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
  • Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China wholesaler Nnrv (FCNDK) Worm Gearbox Made of High-Quality Aluminium Alloy Reducer for Filters with Hot selling China wholesaler Nnrv (FCNDK) Worm Gearbox Made of High-Quality Aluminium Alloy Reducer for Filters with Hot selling
editor by CX 2024-05-06

China Good quality China High Quality Gear Reducer Motor Nmrv Worm Gearbox comer gearbox

Product Description

Product Description

Model No.: NMRV/NRV571, 030, 040, 050, 063, 075, 090, 110, 130
Reduction gear, worm gear, gear reducer
Reduction gear

Features:
1) High quality aluminum alloy die cast gearbox
2) High accuracy worm gear and worm shaft
3) Less noise and lower temperature increase
4) Easy mounting and linking, high efficiency
5) Power: 0.06 – 15kW
6) Output torque: 2.7 – 1, 760Nm
7) Transmission rate: 5 – 100
Inner packing: Carton Outer packing: Wooden case
Reduction gear, worm gear, gear reducer

  model   PAM IEC   N   M P   7.5D   10D   15D   20D   25D   30D   40D   50D 60D    80D
  NMRV030   63B5   95   115   140   11   11   11   11   11   11   11   /   /   /
  NMRV030   63B14   60   75   90   11   11   11   11   11   11   11   /   /   /
  NMRV030   56B5   80   100   120   9   9   9   9   9   9   9   9   9   9
  NMRV030   56B14   50   65   80   9   9   9   9   9   9   9   9   9   9
  NMRV040   71B5   110   130   160   14   14   14   14   14   14   14   /   /   /
  NMRV040 71B14    70   85   105   14   14   14   14   14   14   14   /   /   /
  NMRV040   63B5   95   115   140   11   11   11   11   11   11   11   11 11    11
  NMRV040   63B14   60   75   90   11   11   11   11   11   11   11 11    11   11
  NRMV050   90B5   130   165   200   19   19   19   19   19   /   /   /   /   /
  NRMV050   80B14   80   100   120   19   19   19   19   19   /   /   /   /   /
  NRMV050   71B5   110   130   160   14   14   14   14 14    14     14   14   14   14
  NRMV050   71B14   70   85   105   14   14   14   14   14   14   14   14   14   14
  NMRV063   90B5   130   165   200   24   24   24   24   24   24   /   /   /   /
    NMRV063   90B14   95   115   140   24   24   24   24   24   24   /   /   /   /
    NMRV063   80B5   130   165   200   19   19   19   19   19   19   19   19   /   /
    NMRV063   80B14   80   100   120   19   19   19   19   19   19   19   19   /   /
  NRMV075   100/112B5   180   215   250   28   28   28   /   /   /   /   /   /   /
  NRMV075   100/112B14   110   130   160   28   28   28   /   /   /   /   /   /   /
  NRMV075   90B5   130   165   200   24   24   24   24   24   24   24   /   /   /
  NRMV075   90B14   95   115   140   24   24   24   24   24   24   24   /   /   /
  NMRV090   100/112B5   180   215   250   /   /   /   /   24   24   24   24   24   24
    NMRV090   100/112B14   110   130   160   /   /   /   /   24   24   24   24   24   24
    NMRV090   90B5   130   165   200   /   /   /   /   /   /   /   19   19   19
    NMRV090   90B14   95   115   140   /   /   /   /   /   /   /   19   19   19

Ms series aluminum housing three-phase asynchronous motors, with latest design in entirety, are made of selected quality materials and conform to the IEC standard.

MS series motor have good performance, safety and reliable operation, nice appearance, and can be maintained very conveniently, while with low noises, little vibration and at the same time light weight and simple construction. These series motors can be used for general drive.
OPERATING CONDITIONS
Ambient temperature: -15° C<0<40° C
Altitude: Not exceed 1000m.
Rated voltage: 380V, 220V~760V is available.
Rated frequency: 50Hz/60Hz
Duty/Rating: S1(Continuous)
Insulation class: F
Protection class: IP54
Cooling method: IC0141

Model Rated power Current Power factor Efficiency speed Locked Rotor
 torque		 Locked Rot or Current Breakdown Torque
Type (KW) (A) (cosΦ) (η%) (r/min) Tst
TN		 Ist
TN		 Tmax
TN
synchronous speed 3000r/min(380V 50HZ)
MS561-2 0.09 0.29 0.77 62 2750 2.2 5.2 2.1
MS562-2 0.12 0.37 0.78 64 2750 2.2 5.2 2.1
MS631-2 0.18 0.53 0.8 65 2780 2.3 5.5 2.3
MS632-2 0.25 0.69 0.81 68 2780 2.3 5.5 2.3
MS711-2 0.37 1.01 0.81 69 2800 2.2 6.1 2.3
MS712-2 0.55 1.38 0.82 74 2800 2.3 6.1 2.3
MS801-2 0.75 1.77 0.83 75 2825 2.3 6.1 2.2
MS802-2 1.1 2.46 0.84 76.2 2825 2.3 6.9 2.2
MS90S-2 1.5 3.46 0.84 78.5 2840 2.3 7.0  2.2
MS90L-2 2.2 4.85 0.85 81 2840 2.3 7.0  2.2
MS100L-2 3 6.34 0.87 82.6 2880 2.3 7.5 2.2
MS112M-2 4 8.20  0.88 84.2 2890 2.3 7.5 2.2
MS132S1-2 5.5 11.1 0.88 85.7 2900 2.3 7.5 2.2
MS132S2-2 7.5 14.9 0.88 87 2900 2.3 7.5 2.2
MS160M1-2 11 21.2 0.89 88.4 2947 2.3 7.5 2.2
MS160M2-2 15 28.6 0.89 89.4 2947 2.3 7.5 2.2
MS160L-2 18.5 34.7 0.90  90 2947 2.3 7.5 2.2
synchronous speed 1500 r/min(380V 50HZ)
MS561-4 0.06 0.23 0.70  56 1300 2.1 4.0  2.0 
MS562-4 0.09 0.33 0.72 58 1300 2.1 4.0  2.0 
MS631-4 0.12 0.44 0.72 57 1330 2.2 4.4 2.1
MS632-4 0.18 0.62 0.73 60 1330 2.2 4.4 2.1
MS711-4 0.25 0.79 0.74 65 1360 2.2 5.2 2.1
MS712-4 0.37 1.12 0.75 67 1360 2.2 5.2 2.1
MS801-4 0.55 1.52 0.75 71 1380 2.3 5.2 2.4
MS802-4 0.75 1.95 0.76 73 1380 2.3 6.0  2.3
MS90S-4 1.1 2.85 0.77 76.2 1390 2.3 6.0  2.3
MS90L-4 1.5 3.72 0.78 78.2 1390 2.3 6.0  2.3
MS100L1-4 2.2 5.09 0.81 81 1410 2.3 7.0  2.3
MS100L2-4 3 6.78 0.82 82.6 1410 2.3 7.0  2.3
MS112M-4 4 8.8 0.82 84.6 1435 2.3 7.0  2.3
MS132S1-4 5.5 11.7 0.83 85.7 1445 2.3 7.0  2.3
MS132S2-4 7.5 15.6 0.84 87 1445 2.3 7.0  2.3
MS160M-4 11 22.5 0.84 88.4 1460 2.2 7.0  2.3
MS160L-4 15 30.0  0.85 89.4 1460 2.2 7.5 2.3
                 
Model Rated power Current Power factor Efficiency speed Locked Rotor
 torque		 Locked Rot or Current Breakdown Torque
Type (KW) (A) (cosΦ) (η%) (r/min) Tst
TN		 Ist
TN		 Tmax
TN
synchronous speed 1000 r/min(380V 50HZ)
MS711-6 0.18 0.74 0.66 56 900 2.0  4.0  1.9
MS712-6 0.25 0.95 0.68 59 900 2.0  4.0  1.9
MS801-6 0.37 1.23 0.70  62 900 2.0  4.7 1.8
MS802-6 0.55 1.70  0.72 65 900 2.1 4.7 1.8
MS90S-6 0.75 2.29 0.72 69 900 2.1 5.3 2.0 
MS90L-6 1.1 3.18 0.73 72 910 2.1 5.5 2.0 
MS100L-6 1.5 4.0  0.76 76 910 2.1 5.5 2.0 
MS112M-6 2.2 5.6 0.76 79 940 2.1 6.5 2.0 
MS132S-6 3 7.40  0.76 81 940 2.1 6.5 2.1
MS132M1-6 4 9.5 0.76 82 960 2.1 6.5 2.1
MS132M2-6 5.5 12.6 0.77 84 960 2.1 6.5 2.1
MS160M-6 7.5 17.2 0.77 86 960 2.0  6.5 2.1
MS160L-6 11 24.5 0.78 87.5 960 2.0  6.5 2.1
synchronous speed 750 r/min(380V 50HZ)
MS801-8 0.18 0.83 0.61 51 630 1.9 3.3 1.8
MS802-8 0.25 1.10  0.61 54 640 1.9 3.3 1.8
MS90S-8 0.37 1.49 0.61 62 660 1.9 4.0  1.8
MS90L-8 0.55 2.17 0.61 63 660 2.0  4.0  1.8
MS100L1-8 0.75 2.43 0.67 70 690 2.0  4.0  1.8
MS100L2-8 1.1 3.36 0.69 72 690 2.0  5.0  1.8
MS112M-8 1.5 4.40  0.70  74 680 2.0  5.0  1.8
MS132S-8 2.2 6.00  0.71 79 710 2.0  6.5 1.8
MS132M-8 3 7.80  0.73 80 710 2.0  6.5 1.8
MS160M1-8 4 10.3 0.73 81 720 2.0  6.6  2.0 
MS160M2-8 5.5 13.6 0.74 83 720 2.0  6.6  2.0 
MS160L-8 7.5 17.8 0.75 85.5 720 2.0  6.6 2.0 

Detailed Photos

Our Advantages

We have more than 30years on all kinds of ac motors and gearmotor ,worm reducers producing ,nice price 
What we do:
1.Stamping of lamination
2.Rotor die-casting
3.Winding and inserting – both manual and semi-automatically
4.Vacuum varnishing
5.Machining shaft, housing, end shields, etc…
6.Rotor balancing
7.Painting – both wet paint and powder coating
8.assembly
9.Packing
10.Inspecting spare parts every processing
11.100% test after each process and final test before packing.,

FAQ

Q: Do you offer OEM service?
A: Yes
Q: What is your payment term?
A: 30% T/T in advance, 70% balance when receiving B/L copy. Or irrevocable L/C.
Q: What is your lead time?
A: About 30 days after receiving deposit or original L/C.
Q: What certifiicates do you have?
A: We have CE, ISO. And we can apply for specific certificate for different country such as SONCAP for Nigeria, COI for Iran, SASO for Saudi Arabia, etc.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industrial, Household Appliances, Power Tools
Operating Speed: Constant Speed
Number of Stator: Three-Phase
Species: Y, Y2 Series Three-Phase
Rotor Structure: Squirrel-Cage
Casing Protection: Protection Type
Samples:
US$ 256/Piece
1 Piece(Min.Order)

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Customization:
Available

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worm gearbox

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

  • Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
  • Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
  • Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
  • Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
  • Mounting Options: Determine the mounting orientation and configuration that best suits your application.
  • Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
  • Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
  • Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
  • Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
  • Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China Good quality China High Quality Gear Reducer Motor Nmrv Worm Gearbox comer gearbox China Good quality China High Quality Gear Reducer Motor Nmrv Worm Gearbox comer gearbox
editor by CX 2024-05-03

China manufacturer Wpdka Assembly Reduction Worm Gear Reducer Gearbox manufacturer

Product Description

Product Description

A worm gearbox is a power transmission mechanism that uses the speed converter of the gear to reduce the rotation number of the motor (motor) to the required rotation number and obtain CHINAMFG torque. A worm gearbox is widely used in the transmission of power and motion. The gear of the worm gearbox is generally made of high-strength alloy material with high precision and good contact. The worm gear reducer produced by our company has the advantages of high transmission efficiency, stable operation, small noise control, small volume, lightweight, long service life, and so on.

Product Parameters

 

 

 

Related products

 

Company Profile

We are a professional company engaged in the R&D, design, and manufacturing of gearboxes. The company has introduced a number of sophisticated production and testing equipment. We have successfully developed 800Nm-11200Nm planetary gearboxes for construction machinery, special planetary gearboxes for mixers, special planetary gearboxes for buildings, special reducers for mines, wind power reducers, hydraulic rotary, winch series, gearboxes for rolling mills, and other series of gearboxes with hundreds of thousands of specifications. The products have been widely used in building materials, metallurgy, engineering machinery, hoisting, shipping, chemical, pharmaceutical, electric power, and other supporting units and engineering projects.
Since its establishment, the company has been accelerating the pace of scientific and technological innovation and independent brand construction to build its core competitiveness with new thinking and new manufacturing awareness.

Our Equipments

Certification

Packaging and Shipment 

 

 

For more reducers and mechanical accessories, please click here to view

 

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

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worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China manufacturer Wpdka Assembly Reduction Worm Gear Reducer Gearbox manufacturer China manufacturer Wpdka Assembly Reduction Worm Gear Reducer Gearbox manufacturer
editor by CX 2024-04-19

China best Good Build Quality Wmrv Wholesale Gear Worm Reducer Gearbox Gearmotor Manufacture best automatic gearbox

Product Description

Why Choose Us

Product Details

Type

Worm Gear Speed Reducer/ gearbox

Model

WMRV 25/30/40/50/63/75/90/110/130/150/185

Ratio

7.5,10,15,20,25,30,40,50,60,80,100.

Color

Blue(RAL5571)/Silver grey (K9149) Or On Customer Request

Material

Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)

Worm wheel: Aluminum Bronze or Tin Bronze

Worm shaft: 20CrMn Ti

Output Shaft: steel-45#

Packing

Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty 1 Year
Input Power 0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange IEC standard flange or on customer request
Lubricant Synthetic oil or worm gear oil

 

 

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Samples:
US$ 25/Piece
1 Piece(Min.Order)

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Order Sample
Customization:
Available

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Estimated freight per unit.





about shipping cost and estimated delivery time.
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Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China best Good Build Quality Wmrv Wholesale Gear Worm Reducer Gearbox Gearmotor Manufacture best automatic gearbox China best Good Build Quality Wmrv Wholesale Gear Worm Reducer Gearbox Gearmotor Manufacture best automatic gearbox
editor by CX 2024-04-15

China manufacturer 1: 30/ 1: 40 Ratio Worm Gearbox Price RV 30 Worm Reducer Gearbox with Great quality

Product Description

1:30/ 1:40 Ratio worm gearbox price rv 30 worm reducer gearbox

Product Description

NMRV 571-150 worm gear box with flange and electric motor
NMRV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
nmrv worm gear motor

Detailed Photos

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.
Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

Product Parameters

When working, great load capacity, stable running, low noise with  high efficiency.
  Gear Box’s Usage Field
1 Metallurgy       11 Agitator  
2 Mine       12 Rotary weeder  
3 Machine       13 Metallurgy   
4 Energy       14 Compressor
5 Transmission     15 Petroleum industry
6 Water Conserbancy     16 Air Compressor
7 Tomacco       17 Crusher  
8 Medical       18 Materials
9 Packing     19 Electronics  
10 Chemical industry     20 Textile indutry
…         …    
Power 0.06kw 0.09kw 0.12kw 0.18kw 0.25kw 0.37kw 0.55kw
0.75kw 1.1kw 1.5kw 2.2kw 3kw 4kw 5.5kw
7.5kw 11kw 15kw        
Torque 2.6N.m-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers’ need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients’ requirement
Type RV571 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        

Certifications

Packaging & Shipping

Company Profile

Our Advantages

FAQ

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Worm
Gear Shape: Worm
Step: Single-Step
Customization:
Available

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Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China manufacturer 1: 30/ 1: 40 Ratio Worm Gearbox Price RV 30 Worm Reducer Gearbox with Great quality China manufacturer 1: 30/ 1: 40 Ratio Worm Gearbox Price RV 30 Worm Reducer Gearbox with Great quality
editor by CX 2024-03-27

China factory S Series Gear Reducer Gearing Arrangement Used Helical Worm Gearbox wholesaler

Product Description

S series gear reducer Gearing Arrangement used Helical Worm gearbox

1.Technical data

Input power Ratio Input speed Torque Transmission stage Mounting type
0.18~22kW 9.96~244.74(MAX:4606) 1400rpm
900rpm
700rpm		 90~4000N.m 2stage
3stage		 Foot mounted
Flange mounted

2.Input power rating and permissible torque

Size 37 47 57 67 77 87 97
Structure S   SA   SF   SAF   SAT   SAZ
Input Power(kW) 0.18~0.75 0.18~1.5 0.18~3 0.25~5.5 0.55~7.5 0.75~15 1.5~22
Ratio 10.27~165.71 11.46~244.74 10.78~196.21 11.55~227.20 9.96~241.09 11.83~223.26 12.75~230.48
Permissible Torque(N.m) 90 170 300 520 1270 2280 4000

 
 
3.Gear unit weight

Size 37 47 57 67 77 87 97
Weight(kg) 7 10 14 26 50 100 170

 

4.Structures of S series gearbox

S series gear units are available in the following designs
S…Y… Foot-mounted parallel shaft helical gear units with solid shaft
SA…Y… Parallel shaft helical gear units with hollow shaft
SAZ…Y… Short-flange mounted parallel shaft helical gear units with hollow shaft
SF…Y… Flange-mounted parallel shaft helical gear units with solid shaft
SAT…Y… Flange-mounted parallel shaft helical gear units with hollow shaft
S(SF,SA,SAF,SAZ)S… Shaft input parallel shaft helical gear units
S(SF,SA,SAF,SAZ)…R…Y… Combinatorial parallel shaft helical gear units
S(SF,SA,SAF,SAZ)S…R… Shaft input combinatorial parallel shaft helical gear units

5.Field Gear Box’s Usage
1. Metallurgy 2 Mine 3 Machine 4 Energy 5 Transportation 6 Water Conserbancy 7 Tomacco 8 Pharmacy 9 Printing Package 10 Chemical industry…

6.Our services:

Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.

7.S series gearbox are available in the following designs:
(1) SY
Foot mounted helical worm gearbox with CHINAMFG shaft

(2) SAY
Helical worm gearbox with hollow shaft

(3) SAZY
Small flange mounted helical worm gearbox with hollow shaft

(4) SA (S,SF,SAF,SAZ)Y
Assemble users’ motor or special motor, flange is required

(5) SFY
Flange mounted helical worm gearbox with CHINAMFG shaft

(6) SAFY
Flange mounted helical worm gearbox with hollow shaft

(7) SATY
Torque arm mounted helical worm gearbox with hollow shaft

(8) S (SF,SA,SAF,SAZ) S
Shaft input helical worm gearbox

(9) SA (S,SF,SAF,SAZ)RY
Combined helical worm gearbox

(10) SA (S,SF,SAF,SAZ)SR
Shaft input combined helical worm gearbox

Customer visiting:

11.FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

If you are interested in our product, welcome you contact me.
Our team will support any need you might have.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Right Angle
Gear Shape: Helical Gear
Step: Double-Step
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

Diagnosing and Fixing Oil Leakage in a Worm Gearbox

Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:

  1. Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
  2. Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
  3. Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
  4. Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
  5. Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
  6. Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
  7. Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
  8. Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
  9. Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
  10. Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.

If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.

worm gearbox

What Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China factory S Series Gear Reducer Gearing Arrangement Used Helical Worm Gearbox wholesaler China factory S Series Gear Reducer Gearing Arrangement Used Helical Worm Gearbox wholesaler
editor by CX 2024-03-14

China Professional Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox best automatic gearbox

Product Description

Model No

NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150

Ratio

5,7.5,10,15,20,25,30,40,50,60,80,100

Type

Worm Gear Speed Reducer / Gearbox / Reductor

Color

Customized Color

Packing

Carton, Honey Comb Carton, Wooden Case with Wooden Pallet

Usage

Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.

Flange

IEC standard flange or customized dimensions

Housing Material

Aluminum&Cast iron

Size

11 sizes(WMRV25~WMRV185)

Power

0.06~22 KW

Nominal torque

≤2548 N.m

Ratio

5~100

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
  Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
 motor.

Q2:How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year
  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: as for Request
Hardness: Hardened Tooth Surface
Installation: as for Request
Step: as for Request
Samples:
US$ 25/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China Professional Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox best automatic gearbox China Professional Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox best automatic gearbox
editor by CX 2024-02-25

China best Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox gearbox design

Product Description

NMRV   REDUCTION WORM GEARBOX
The NMRV 110 angular worm gear motor is designed to increase torque while reducing rotational speed. The drive is equipped with a single-stage gearbox and an electric motor with a power of 0.55 – 7.5 kW. The torque on the output shaft is 163 – 767 N * m. Gear Ratio Range: 7.5 – 100.
The NMRV 110 unit has the same mounting dimensions as the SITI MU105 and Varvel SRT 110 gearmotors, so it can be used to replace them.
Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze. 
Type of lubricant: synthetic ISO VG 220. 
Weight: 35 kg.

Type designation scheme

NMRV – 110 – 40 – 35 – 1.5 – B6

  • NMRV – worm gear motor
  • 110 – size (center distance, mm)
  • 40 – gear ratio
  • 35 – output shaft rotation speed, rpm
  • 1,5 – electric motor power, kW
  • B6 – mounting position

 

NMRV 110 gearbox performance

i n 1 = 2800 rpm n 1 = 1400 rpm n 1 = 900, rpm
n 2 ,
rpm		 T 2M ,
N * m		 P
kw		 RD
%		 n 2 ,
rpm		 T 2M ,
N * m		 P
kw		 RD
%		 n 2 ,
rpm		 T 2M ,
N * m		 P
kw		 RD
%
7.5 373 391 16.60 92 187 532 11.60 90 120 637  9.10 88
10 280 424 13.50 92 140  571 9.30 90 90 672  7.20 87
15 187 423  9.30 89 93  565 6.40  86 60 669  5.00 84
20 140 498  8.30 88 70  649 5.60  85 45 748  4.30 82
25 112 453  5.90 90 56  580 4.00  85 36 674  3.10 82
30 93 349  4.00 85 47  553  3.40  80 30 663  2.70 77
40 70 554  4.90 83 35  681  3.20  78 23 809  2.60 75
50 56 531  3.80 82 28  657  2.50  77 18 746  1.90 74
60 47 428  2.70 78 23  546  1.80  73 15 615  1.40 69
80 35 445  2.20 74 18  549  1.50  68 11 640  1.10 67
100 28 394  1.70 68 14  473  1.10  63 9 557  0.89 59
  • n1 – rotational speed el. engine;
  • n2 – revolutions on the output shaft;
  • T 2M – torque on the output shaft;
  • P is the maximum allowable engine power;
  • RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.
2.Compact,convenient.
3.High efficiency,big torque.

 

Overall and mounting dimensions NMRV 110

NMRV110 gear motor  has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 110 gearbox

Geared NMRV110 can be supplied with unilateral or bilateral output shaft. 
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

  Model  NMRV SERIES
  Single Stage  RV25-RV150
  Ratio  7.5-100
  Input Power  0.06KW-15KW
  Output Speed  14-280rpm
  Output Torque   5-1800Nm
Core parts  worm wheel,worm shaft
 Core parts material      worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
  Lubrication   RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
 Bearings  C&U

 
 
 

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness: Hardened
Installation: Any Angle
Gear Shape: Worm Gear
Step: Single-Step
Type: Worm and Wormwheel
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China best Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox gearbox design China best Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox gearbox design
editor by CX 2024-02-24

China factory Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox gearbox assembly

Product Description

Model No

NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150

Ratio

5,7.5,10,15,20,25,30,40,50,60,80,100

Type

Worm Gear Speed Reducer / Gearbox / Reductor

Color

Customized Color

Packing

Carton, Honey Comb Carton, Wooden Case with Wooden Pallet

Usage

Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.

Flange

IEC standard flange or customized dimensions

Housing Material

Aluminum&Cast iron

Size

11 sizes(WMRV25~WMRV185)

Power

0.06~22 KW

Nominal torque

≤2548 N.m

Ratio

5~100

PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

FAQ
Q1:Are you a manufacturer or trading company?
  Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
 motor.

Q2:How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year
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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: as for Request
Hardness: Hardened Tooth Surface
Installation: as for Request
Step: as for Request
Samples:
US$ 25/Piece
1 Piece(Min.Order)

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Customization:
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worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China factory Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox gearbox assembly China factory Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox gearbox assembly
editor by CX 2024-02-24