Tag Archives: mechanical power transmission

China OEM Power Transmission Mechanical RV Series Worm Motor Gearbox differential gearbox

Product Description

Power Transmission Mechanical RV Series Worm Motor Gearbox

1.Model Number

NMRV 25 30 40 50 63 75 90 110 130 150
NRV No 30 40 50 63 75 90 110 130 150

2.Materials

Materials Housing: HT250 cast iron
Gear: 20CrMnTi,carburizing and quenching
Gear surface hardness: 58-62HRC
Gear center hardness: 33-48HRC
Grinding precision grade: ISO1328-1: 1995 class 5-6
Surfaceness: 0.8
Carburization depth: 0.6-1.5mm
Bearing: 42CrMo

3. Features

Characteristics Made of high-quality aluminum alloy, light in weight and non-rusting.
Large in output torque
Smooth in running and low in noise, can work long time in dreadful conditions.
High in radiating efficiency.
Good-looking in appearance, durable in service life and small in volume.
Suitable for omnibearing  installation.

4. Surface Painting
Aluminum alloy housing:
1.Shot blasting and special antiseptic treat-ment on the aluminum alloy surface.
2.After phosphating, paint with RAL5571blue or silvery white paint..
Cast iron housing
First paint with red antirust paint, then paint whith RAL5571blue or silvery white paint..

5.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.

6.Product picture:

7.Structure:

8.Certificate:

9.Packing & Delivery:

10.Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.

11.Customer visiting:

12.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

13.Contact:

Welcome you contace me if you are interested in our product.
Our team will support any need you might have.

Application: Motorcycle, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Torque Arm Type
Step: Single-Step
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

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

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 OEM Power Transmission Mechanical RV Series Worm Motor Gearbox   differential gearbox	China OEM Power Transmission Mechanical RV Series Worm Motor Gearbox   differential gearbox
editor by CX 2023-10-17

China Power Transmission Mechanical RV Series Worm Motor Gearbox with Best Sales

Solution Description

Electrical power Transmission Mechanical RV Series Worm Motor Gearbox

1.Model Amount

NMRV 25 thirty 40 50 63 seventy five 90 one hundred ten 130 a hundred and fifty
NRV No thirty 40 50 63 75 ninety one hundred ten 130 one hundred fifty

two.Supplies

Materials Housing: HT250 forged iron
Gear: 20CrMnTi,carburizing and quenching
Equipment floor hardness: fifty eight-62HRC
Gear heart hardness: 33-48HRC
Grinding precision quality: ISO1328-1: 1995 course 5-6
Surfaceness: .8
Carburization depth: .6-1.5mm
Bearing: 42CrMo

three. Characteristics

Characteristics Made of substantial-high quality aluminum alloy, mild in bodyweight and non-rusting.
Massive in output torque
Smooth in working and low in sound, can function long time in dreadful circumstances.
Substantial in radiating performance.
Great-looking in appearance, sturdy in service existence and little in volume.
Suited for omnibearing  set up.

four. Area Portray
Aluminum alloy housing:
one.Shot blasting and particular antiseptic handle-ment on the aluminum alloy area.
2.Following phosphating, paint with RAL5571blue or silvery white paint..
Cast iron housing
1st paint with red antirust paint, then paint whith RAL5571blue or silvery white paint..

5.Our Solutions:

Pre-sale companies 1. Choose gear design.
2.Layout and manufacture merchandise according to clients’ particular requirement.
3.Train technical individual for clientele
Services in the course of selling 1.Pre-examine and take products forward of shipping and delivery.
2. Help consumers to draft resolving ideas.
After-sale companies one.Support clients to prepare for the initial construction scheme.
2. Practice the initial-line operators.
3.Get initiative to remove the difficulty speedily.
four. Provide technical exchanging.

6.Product picture:

7.Framework:

eight.Certificate:

nine.Packing & Supply:

10.Our business :
AOKMAN was launched in 1982, which has a lot more than 36 many years in R & D and production of gearboxes, gears, shaft, motor and spare parts.
We can supply the appropriate remedy for uncountable applications. Our items are broadly used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol marketplace and various other varieties of equipment with a strong presence in the worldwide industry.
AOKMAN has become a reliable provider, CZPT to offer large high quality gearboxes.With 36 many years knowledge, we guarantee you the utmost trustworthiness and stability for both merchandise and providers.

11.Customer visiting:

12.FAQ:
one.Q:What types of gearbox can you make for us?
A:Main merchandise of our firm: UDL collection velocity variator,RV series worm gear reducer, ATA collection shaft mounted gearbox, X,B sequence equipment reducer,
P collection planetary gearbox and R, S, K, and F series helical-tooth reducer, far more
than 1 hundred designs and thousands of specifications
two.Q:Can you make as per personalized drawing?
A: Indeed, we offer you customized service for consumers.
3.Q:What is your conditions of payment ?
A: thirty% Advance payment by T/T following signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

thirteen.Contact:

Welcome you contace me if you are interested in our product.
Our team will assistance any need you might have.

US $20-500
/ Piece
|
1 Piece

(Min. Order)

###

Application: Motorcycle, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Torque Arm Type
Step: Single-Step

###

Customization:

###

NMRV 25 30 40 50 63 75 90 110 130 150
NRV No 30 40 50 63 75 90 110 130 150

###

Materials Housing: HT250 cast iron
Gear: 20CrMnTi,carburizing and quenching
Gear surface hardness: 58-62HRC
Gear center hardness: 33-48HRC
Grinding precision grade: ISO1328-1: 1995 class 5-6
Surfaceness: 0.8
Carburization depth: 0.6-1.5mm
Bearing: 42CrMo

###

Characteristics Made of high-quality aluminum alloy, light in weight and non-rusting.
Large in output torque
Smooth in running and low in noise, can work long time in dreadful conditions.
High in radiating efficiency.
Good-looking in appearance, durable in service life and small in volume.
Suitable for omnibearing  installation.

###

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.
US $20-500
/ Piece
|
1 Piece

(Min. Order)

###

Application: Motorcycle, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Torque Arm Type
Step: Single-Step

###

Customization:

###

NMRV 25 30 40 50 63 75 90 110 130 150
NRV No 30 40 50 63 75 90 110 130 150

###

Materials Housing: HT250 cast iron
Gear: 20CrMnTi,carburizing and quenching
Gear surface hardness: 58-62HRC
Gear center hardness: 33-48HRC
Grinding precision grade: ISO1328-1: 1995 class 5-6
Surfaceness: 0.8
Carburization depth: 0.6-1.5mm
Bearing: 42CrMo

###

Characteristics Made of high-quality aluminum alloy, light in weight and non-rusting.
Large in output torque
Smooth in running and low in noise, can work long time in dreadful conditions.
High in radiating efficiency.
Good-looking in appearance, durable in service life and small in volume.
Suitable for omnibearing  installation.

###

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.

Worm gear reducer gearbox

A worm gear reducer gearbox is a gear reducer gearbox that uses a worm gear train to reduce the required force. Unlike traditional gear reducer gearboxes, these units are small and require low horsepower ratings. This reduces their efficiency, but their low cost and compact design help make up for this shortcoming. However, these gear reducer gearboxes have some drawbacks, including their tendency to lock up when reversing.
worm reducer

high efficiency

High-efficiency worm reducer gearboxes are ideal for applications where high performance, repeatability, and accuracy are critical. It consists of an input hypoid gear and an output hypoid bevel gear. The input worm rotates perpendicular to the output worm, so for every revolution of the input worm, the output gear makes one revolution. This arrangement reduces friction (another source of energy loss) in a high-efficiency worm gear to at least two arc minutes.
Compared with worm gear reducer gearboxes, hypoid gearmotors offer several advantages, including lower operating costs and higher efficiency. For example, hypoid gear motors can transmit more torque even at high reduction ratios. Also, they are more efficient than worm gear reducer gearboxes, which means they can produce the same output with a smaller motor.
In recent years, the efficiency of worm gear reducer gearboxes has been dramatically improved. Manufacturers have made great strides in materials, design, and manufacturing. New designs, including dual-enveloping worm gear reducer gearboxes, increase efficiency by 3 to 8 percent. These improvements were made possible through countless hours of testing and development. Worm gear reducer gearboxes also offer lower initial costs and higher overload capability than competing systems.
Worm gear reducer gearboxes are popular because they provide maximum reduction in a small package. Their compact size makes them ideal for low to medium-horsepower applications and they are reticent. They also offer higher torque output and better shock load tolerance. Finally, they are an economical option to reduce the device’s power requirements.

low noise

Low-noise worm gear reducer gearboxes are designed to reduce noise in industrial applications. This type of reducer gearbox uses fewer bearings and can work in various mounting positions. Typically, a worm reducer gearbox is a single-stage unit with only one shaft and one gear. Since there is only one gear, the noise level of the worm gear reducer gearbox will be lower than other types.
A worm gear reducer gearbox can be integrated into the electric power steering system to reduce noise. Worm reducer gearboxes can be made and from many different materials. The following three-stage process will explain the components of a low-noise worm reducer gearbox.
Worm gear reducer gearboxes can be mounted at a 90-degree angle to the input worm shaft and are available with various types of hollow or solid output shafts. These reducer gearboxes are especially beneficial for applications where noise reduction is essential. They also have fewer parts and are smaller than other types of reducer gearboxes, making them easier to install.
Worm gear reducer gearboxes are available from various manufacturers. Due to their widespread availability, gear manufacturers maintain extensive inventories of these reducer gearboxes. The worm gear ratio is standard, and the size of the worm gear reducer gearbox is universal. Also, worm gear reducer gearboxes do not need to be sized for a specific purpose, unlike other load interruptions.
worm reducer

pocket

A worm gear reducer gearbox is a transmission mechanism with a compact structure, large transmission ratio, and self-locking function under certain conditions. The worm gear reducer gearbox series products are designed with American technology and have the characteristics of stable transmission, strong bearing capacity, low noise, and compact structure. In addition, these products can provide a wide range of power supplies. However, these worm reducer gearboxes are prone to leaks, usually caused by design flaws.
Worm gear reducer gearboxes are available in single-stage and double-stage. The first type consists of an oil tank that houses the worm gear and bearings. The second type uses a worm gear with a sleeve for the first worm gear.
When choosing a gear reducer gearbox, it is essential to choose a high-quality unit. Improper gear selection can cause rapid wear of the worm gear. While worm gear reducer gearboxes are generally durable, their degree of wear depends on the selection and operating conditions. For example, overuse, improper assembly, or working in extreme conditions can lead to rapid wear.
Worm reducer gearboxes reduce speed and torque. Worm gears can be used to reduce the speed of rotating machines or inertial systems. Worm gears are a type of bevel gear, and their meshing surfaces have great sliding force. Because of this, worm gears can carry more weight than spur gears. They are also harder to manufacture. However, the high-quality design of the worm gear makes it an excellent choice for applications requiring high torque and high-speed rotation.
Worm gears can be manufactured using three types of gears. For large reduction ratios, the input and output gears are irreversible. However, the worm reducer gearbox can be constructed with multiple helices. The multi-start worm drive also minimizes braking effects.

Self-locking function

The worm reducer gearbox is self-locking to prevent the load from being driven back to the ground. The self-locking function is achieved by a worm that meshes with the rack and pinion. When the load reaches the highest position, the reverse signal is disabled. The non-locking subsystem back-drives the load to its original position, while the self-locking subsystem remains in its uppermost position.
The self-locking function of the worm reducer gearbox is a valuable mechanical feature. It helps prevent backing and saves the cost of the braking system. Additionally, self-locking worm gears can be used to lift and hold loads.
The self-locking worm gear reducer gearbox prevents the drive shaft from driving backward. It works with the axial force of the worm gear. A worm reducer gearbox with a self-locking function is a very efficient machine tool.
Worm gear reducer gearboxes can be made with two or four teeth. Single-ended worms have a single-tooth design, while double-ended worms have two threads on the cylindrical gear. A multi-boot worm can have up to four boots. Worm reducer gearboxes can use a variety of gear ratios, but the main advantage is their compact design. It has a larger load capacity than a cross-shaft helical gear mechanism.
The self-locking function of the worm reducer gearbox can also be used for gear sets that are not necessarily parallel to the shaft. It also prevents backward travel and allows forward travel. The self-locking function is achieved by a ratchet cam arranged around the gear member. It also enables selective coupling and decoupling between gear members.
worm reducer

high gear ratio

Worm reducer gearboxes are an easy and inexpensive way to increase gear ratios. These units consist of two worm gears – an input worm gear and an output worm gear. The input worm rotates perpendicular to the output worm gear, which also rotates perpendicular to itself. For example, a 5:1 worm gearbox requires 5 revolutions per worm gear, while a 60:1 worm gearbox requires 60 revolutions. However, this arrangement is prone to inefficiency since the worm gear experiences only sliding friction, not rolling friction.
High-reduction applications require many input revolutions to rotate the output gear. Conversely, low input speed applications suffer from the same friction issues, albeit with a different amount of friction. Worms that spin at low speeds require more energy to maintain their movement. Worm reducer gearboxes can be used in many types of systems, but only some are suitable for high-speed applications.
Worm gears are challenging to produce, but the envelope design is the best choice for applications requiring high precision, high efficiency, and minimal backlash. Envelope design involves modifying gear teeth and worm threads to improve surface contact. However, this type of worm gear is more expensive to manufacture.
Worm gear motors have lower initial meshing ratios than hypoid gear motors, which allows the use of smaller motors. So a 1 hp worm motor can achieve the same output as a 1/2 hp motor. A study by Agknx compared two different types of geared motors, comparing their power, torque, and gear ratio. The results show that the 1/2 HP hypoid gear motor is more efficient than the worm gear motor despite the same output.
Another advantage of the worm gear reducer gearbox is the low initial cost and high efficiency. It offers high ratios and high torque in a small package, making it ideal for low to medium-horsepower applications. Worm gear reducer gearboxes are also more shock-resistant.
China Power Transmission Mechanical RV Series Worm Motor Gearbox     with Best Sales China Power Transmission Mechanical RV Series Worm Motor Gearbox     with Best Sales
editor by czh 2023-01-28