As one of leading china worm reducer manufacturers, suppliers and exporters of mechanical products, We offer china worm reducer and many other products.
Low speed high torque Worm Gear Boxes for Industry
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
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
7.5~1
If you have any demand for our products please feel free to contact me. /* 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:
Machinery, Industry
Function:
Speed Changing, Speed Reduction
Layout:
Orthogonal
Hardness:
Hardened
Installation:
Horizontal Type
Step:
Single-Step
Customization:
Available
|
Customized Request
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 vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect
Worm Gearbox
Helical Gearbox
Efficiency
Lower efficiency due to sliding friction between the worm and worm wheel.
Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission
Excellent torque transmission and high reduction ratios achievable in a single stage.
Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration
Generally higher noise and vibration levels due to sliding action.
Lower noise and vibration levels due to smoother rolling contact.
Backlash
Higher inherent backlash due to the design.
Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds
Less suitable for high-speed applications due to efficiency loss.
More suitable for high-speed applications due to higher efficiency.
Overload Protection
Natural self-locking feature provides some overload protection.
May not have the same level of inherent overload protection.
Applications
Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery.
Widely used in various applications including automotive transmissions, industrial machinery, and more.
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
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
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.
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.
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.
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)
|
Request Sample
Customization:
Available
|
Customized Request
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.
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.
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.
Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
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.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc.
Testing Equipment
Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments
Company Profile
Application Field
FAQ
1. why should you buy products from us not from other suppliers? We are a 32 year-experience manufacturer on making the gear, specializing in manufacturing varieties of gears, such as helical gear ,bevel gear ,spur gear and grinding gear, gear shaft, timing pulley, rack, , timing pulley and other transmission parts . 2. what services can we provide? Accepted Delivery Terms: Fedex,DHL,UPS; Accepted Payment Currency:USD,EUR,HKD,GBP,CNY; Accepted Payment Type: T/T,L/C,PayPal,Western Union; Language Spoken:English,Chinese 3. how can we guarantee quality? 1 .Always a pre-production sample before mass production; 2 .Always final Inspection before shipment; 3 .We have high-precision CNC gear grinding machine, high-speed CNC gear hobbing machine, CNC gear shaping machine, CNC lathe, CNC machining center, various grinding machines, universal gear measuring instrument, heat treatment and other advanced processing equipment. 4 . We have a group of experienced technical workers, more than 90% of the workers have more than 10 years of work experience in this factory, can accurately control the manufacturing of products and customer needs. We regularly train our employees to ensure that we can produce high-precision and high-quality products that are more in line with our customers’ needs.
/* 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
You can apply for a refund up to 30 days after receipt of the products.
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.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
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.
DT14 adopts a fully helical gear and planetary gearbox structure, with low noise and strong load-bearing capacity;
The pressure resistance and overheating resistance of the friction material of the synchronizer are leading domestically, and the lifespan of the synchronizer has been extended to match that of the gearbox assembly;
The DT14 assembly has undergone 2 million kilometers of road validation, and the B10 has a lifespan of 1.6 million kilometers. The entire series can be equipped with hydraulic retarders to ensure driving safety.
Convenience
Single H control of the top cover and front and rear auxiliary box pneumatic shift mode, achieving step-by-step gear shifting and jumping operation, with clear gear positions and convenient operation;
Self enhancing double cone synchronizer reduces shifting force by 2-3 times compared to synchronizers of the same level, making shifting more lightweight and giving a sedan like feel;
The ultra long oil change cycle of 300000 kilometers is at the leading level in the industry, making it easier for users to use.
High efficiency
Adopting a dual lubrication method of active lubrication and splash lubrication to lubricate key components such as bearings, synchronizers, and gears, providing more complete lubrication and lower friction losses;
By using an independent external oil cooling system, the problem of high temperature of the gearbox assembly in special road conditions (climbing long slopes) is avoided, ensuring stable operation of components, higher transmission efficiency, and prolonging oil change HangZhouage and gearbox service life.
Here’s why our products stand out: 1. Extensive Product Range: We offer a diverse selection of buses, school buses, andspecial purpose vehicles to cater to various transportation needs. Whether yourequire standard buses for public transport, specialized school buses withenhanced safety features, or custom-built special purpose vehicles for specificapplications, we have a solution to meet your requirements. 2. Superior Quality and Reliability: Our vehicles are manufactured to the highestindustry standards, ensuring exceptional quality, reliability, and longevity. Wecollaborate with reputable manufacturers and conduct rigorous quality controlchecks to deliver products that exceed customer expectations. Our commitmentto CHINAMFG is reflected in every vehicle we offer. 3. Cutting-Edge Technology: We incorporate advanced technologies andinnovations into our vehicles to enhance performance, efficiency, and safety.From fuel-efficient engines and intelligent control systems to state-of-the-art safety features and eco-friendly designs, our products are at the forefront ofautomotive technology. 4. Customization Options: We understand that every client has unique needs ancpreferences, Therefore, we provide customization options to tailor our vehiclesaccording to specific requirements. Whether it’s seating capacity, interiorconfigurations, accessibility features, or branding elements, we work closely withour clients to deliver personalized solutions. 5. Focus on Safety: Safety is our top priority. Our school buses are designed withcomprehensive safety features, including reinforced structures, advanced brakincsystems, and integrated safety technologies. We prioritize passenger and driversafety to provide peace of mind for both educational institutions and parents. 6. Exceptional After-Sales Service: Our commitment to customer satisfactionextends beyond the purchase. We provide reliable after-sales service andsupport, including spare parts availability, technical assistance, and maintenanceguidance. Our dedicated team ensures that our customers receive prompt andefficient service throughout the ownership lifecycle.
FAQ
1.What do you need to provide a quote? Please kindly send us the drawing of your product. Details below should be included, A.Materials B. Surface Finish C. Tolerance D. Quantity (Please be noted that these are essential for our quoting. We couldn’t quote the specific price without any of them.).
2.When can I get the price? Our professional sales team will feedback your RFQ within 12hours, and give you the Quotation within 48hours max. if the drawing and specification is all in details.
3.How can I get the sample to check your quality? After price confirmation, you can require for samples to check our product’s quality. If you just need a blank sample to check the manufacturing quality, we will provide you sample after the sample order confirmed.
4.What’s the lead time for Mould and samples ? For normal project, we can complete Mould and supply the 1st article sample within 30 to 40days. For urgently project, we can complete the Mould and Sample within 20days max.
5.What’s the payment terms for Order ? For Mould/tooling and sample : 50% deposit pay by Order, rest 50% pay after sample approval. For production Order for new Customers : we request 30% down payment, rest 70% pay by copy of Original B/L copy. For long lasting regular customer, we can give better payment terms, such as 100% pay after delivery or by B/L copy.
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After-sales Service:
1 Year
Warranty:
1 Year
Certification:
TUV, GS
Torque (N · M):
2000-3200
Transmission Efficiency:
97.4%
Noise (dB):
86
Customization:
Available
|
Customized Request
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.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
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.
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.
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For more reducers and mechanical accessories, please click here to view
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Application:
Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
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:
Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
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.
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.
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.
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.
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.
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.
Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
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.
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.
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.
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.
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Application:
Motor, Machinery, Agricultural Machinery
Function:
Distribution Power, Speed Changing, Speed Reduction, Speed Increase
You can apply for a refund up to 30 days after receipt of the products.
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.
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.
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.
Helical Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox with 3 Phase Motor
< ABOUT TILI
Technical data
Product Name
Helical Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox with 3 Phase Motor
Power
0.12KW~30KW
Nominal output torque
9~ 8425N · m
Output speed
0.1 ~ 374r/min
Gear material
20CrMnTi alloy steel
Gear Processing
Grinding finish by HOFLER Grinding Machines
Noise Test
Below 65dB
Brand of bearings
C&U bearing, ZWZ, LYC, HRB, CHINAMFG , etc
Brand of oil seal
NAK or other brand
Temp. rise (MAX)
40ºC
Temp. rise (Oil)(MAX
50ºC
Vibration
≤20µm
Housing hardness
HBS190-240
Surface hardness of gears
HRC58°~62 °
Gear core hardness
HRC33~40
Machining precision of gears
5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
Carburizing, Quenching etc
Efficiency
95%~96% (depends on the transmission stage)
Bearing output mode
Parallel output
Installation type and output mode
Bottom seated type flange type installation, solid,hollow shaft output.
Input mode
Direct motor, shaft input and connecting flange input
Input Method
Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Installation Instructions
Company Profile
< WORKSHOP
< QUALITY CONTROL
Certifications
Packaging & Shipping
FAQ
Q 1: Are you a trading company or a manufacturer? A: We are a professional manufacturer specializing in manufacturing various series of reducer.
Q 2:Can you do OEM? A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.
Q 3: How long is your warranty? A: Our Warranty is 12 months under normal circumstances.
Q 4: Do you have inspection procedures for reducer? A:100% self-inspection before packing.
Q 5: Can I have a visit to your factory before the order? A: Sure, welcome to visit our factory.
Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need? A: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. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.
Q 7: What information shall we give before placing a purchase order? A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements
Q 8:What is the payment term? A:You can pay via T/T(30% in advance as deposit before production +70% before delivery
/* 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, Speed Changing, Speed Reduction
You can apply for a refund up to 30 days after receipt of the products.
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 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.
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.
Helical Worm Industrial Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox for Power Transmission
< ABOUT TILI
Technical data
Product Name
Helical Worm Industrial Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox for Power Transmission
Power
0.12KW~30KW
Nominal output torque
9~ 8425N · m
Output speed
0.1 ~ 374r/min
Gear material
20CrMnTi alloy steel
Gear Processing
Grinding finish by HOFLER Grinding Machines
Noise Test
Below 65dB
Brand of bearings
C&U bearing, ZWZ, LYC, HRB, CHINAMFG , etc
Brand of oil seal
NAK or other brand
Temp. rise (MAX)
40ºC
Temp. rise (Oil)(MAX
50ºC
Vibration
≤20µm
Housing hardness
HBS190-240
Surface hardness of gears
HRC58°~62 °
Gear core hardness
HRC33~40
Machining precision of gears
5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
Carburizing, Quenching etc
Efficiency
95%~96% (depends on the transmission stage)
Bearing output mode
Parallel output
Installation type and output mode
Bottom seated type flange type installation, solid,hollow shaft output.
Input mode
Direct motor, shaft input and connecting flange input
Input Method
Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Installation Instructions
Company Profile
< WORKSHOP
< QUALITY CONTROL
Certifications
Packaging & Shipping
FAQ
Q 1: Are you a trading company or a manufacturer? A: We are a professional manufacturer specializing in manufacturing various series of reducer.
Q 2:Can you do OEM? A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.
Q 3: How long is your warranty? A: Our Warranty is 12 months under normal circumstances.
Q 4: Do you have inspection procedures for reducer? A:100% self-inspection before packing.
Q 5: Can I have a visit to your factory before the order? A: Sure, welcome to visit our factory.
Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need? A: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. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.
Q 7: What information shall we give before placing a purchase order? A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements
Q 8:What is the payment term? A:You can pay via T/T(30% in advance as deposit before production +70% before delivery
/* 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, Speed Changing, Speed Reduction
You can apply for a refund up to 30 days after receipt of the products.
Common Problems and Troubleshooting for Worm Gearboxes
Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:
Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.
If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
Types of Worm Gear Configurations and Their Uses
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.
