Product Description

1) According to the different strength and performance, we choose the steel with strong compression;
2) Using Germany professional software and our professional engineers to design products with more reasonable size and better performance; 3) We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;
4) Quality assurance in every step to ensure product quality is controllable.

Product Paramenters
 

DRIVEN GEAR

NUMBER OF TEETH

18

MODULE

11.111

LENTH

   302

OUTER DIAMETER

ø210

DIRECTION OF SPIRAL

L

ACCURACY OF SPLINE

M55*1.5-6h

NUMBER OF SPLINE

31

DRIVEN GEAR

NUMBER OF TEETH

27

OUTER DIAMETER

ø3 square meter, with building area of 72,000 square meters. More than 500 employees work in our company.
 We own more than 560 high-precise machining equipments, 10 Klingelnberg Oerlikon gear production lines, 36 Gleason gear production lines, 5 forging production lines 2 german Aichilin and 5 CHINAMFG CHINAMFG advanced automatic continuous heat treatment production lines. With the introducing the advanced Oerlikon C50 and P65 measuring center, we enhence our technology level and improve our product quality a lot. We offer better quality  and good after-sale service with low price, which insure the good reputation. With the concept of “for the people, by technology, creativity, for the society, transfering friendship, honest”, we are trying to provice the world-top level product.
Our aim is: CHINAMFG Gear,world class, Drive the world.
According to the different strength and performance, we choose the steel with strong compression;Using Germany professional software and our professional engineers to design products with more reasonable size and better performance;We can customize our products according to the needs of our customers,Therefore, the optimal performance of the gear can be exerted under different working conditions;Quality assurance in every step to ensure product quality is controllable.
Our company had full quality management system and had been certified by ISO9001:2000, QS-9000:1998, ISO/TS16949 , which insure the entrance of international market.

Certification & honors

Packaging & Shipping

Packaging Detail:standard package(carton ,wooden pallet).
Shipping:Support Sea freight. Accept FOB,EXW,FAS,DES. 

 

Cooperative customers

HangZhou CHINAMFG Gear Co., Ltd. adheres to the concept of “people-oriented, prosper with science and technology; create high-quality products, contribute to the society; turn friendship, and contribute sincerely”, and will strive to create world automotive axle spiral bevel gear products.


1.Do you provide samples?
Yes,we can offer free sample but not pay the cost of freight.
2.What about OEM?
Yes,we can do OEM according to your requirements.
3.How about after-sales service?
We have excellent after-sales service if you have any quanlity problem,you can contact us anytime.
4.What about package?
Stardard package or customized package as requirements.
5.How to ensure the quanlity of the products?
We can provide raw meterial report,metallographic examination and the accuracy testing etc.
6.How long is your delivery time?
Genarally it is 4-7 days.If customized it will be take 20 days according to your quantity.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cast Gear
Toothed Portion Shape: Herringbone Gear
Material: Cast Steel
Samples:
US$ 100/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gear

Are worm gears suitable for high-torque applications?

Worm gears are indeed well-suited for high-torque applications. Here’s a detailed explanation of why worm gears are suitable for high-torque applications:

Worm gears are known for their ability to provide significant speed reduction and torque multiplication. They consist of a threaded cylindrical gear, called the worm, and a toothed wheel, called the worm wheel or worm gear. The interaction between the worm and the worm wheel enables the transmission of motion and torque.

Here are the reasons why worm gears are suitable for high-torque applications:

  • High gear reduction ratio: Worm gears offer high gear reduction ratios, typically ranging from 20:1 to 300:1 or even higher. The large reduction ratio allows for a significant decrease in rotational speed while multiplying the torque output. This makes worm gears effective in applications that require high levels of torque.
  • Self-locking capability: Worm gears possess a unique self-locking property, which means they can hold position and prevent backdriving without the need for additional braking mechanisms. The angle of the worm thread creates a mechanical advantage that resists reverse rotation of the worm wheel, providing excellent self-locking characteristics. This self-locking capability makes worm gears ideal for applications where holding the load in place is crucial, such as in lifting and hoisting equipment.
  • Sturdy and robust design: Worm gears are typically constructed with durable materials, such as steel or bronze, which offer high strength and resistance to wear. This robust design enables them to handle heavy loads and transmit substantial torque without compromising their performance or longevity.
  • High shock-load resistance: Worm gears exhibit good resistance to shock loads, which are sudden or intermittent loads that exceed the normal operating conditions. The sliding contact between the worm and the worm wheel teeth allows for some degree of shock absorption, making worm gears suitable for applications that involve frequent or unexpected high-torque impacts.
  • Compact and space-efficient: Worm gears have a compact design, making them space-efficient and suitable for applications where size is a constraint. The compactness of worm gears allows for easy integration into machinery and equipment, even when there are spatial limitations.

It’s important to consider that while worm gears excel in high-torque applications, they may not be suitable for high-speed applications. The sliding contact between the worm and the worm wheel generates friction, which can lead to heat generation and reduced efficiency at high speeds. Therefore, worm gears are typically preferred in low to moderate speed applications where high torque output is required.

When selecting a worm gear for a high-torque application, it’s important to consider the specific torque requirements, operating conditions, and any additional factors such as speed, efficiency, and positional stability. Proper sizing, lubrication, and maintenance are also crucial to ensure optimal performance and longevity in high-torque applications.

worm gear

What are the environmental considerations when using worm gears?

When using worm gears, there are several environmental considerations to keep in mind. Here’s a detailed explanation of these considerations:

  1. Lubrication: Proper lubrication is essential for the efficient and reliable operation of worm gears. Lubricants help reduce friction and wear between the gear teeth, resulting in improved efficiency and extended gear life. When selecting lubricants, it is important to consider their environmental impact. Environmentally friendly lubricants, such as biodegradable or synthetic lubricants with low toxicity, can be used to minimize the potential harm to the environment in case of leakage or accidental spills.
  2. Leakage and contamination: Worm gear systems are susceptible to lubricant leakage, which can cause environmental pollution. It is important to ensure that the gear housing is properly sealed to prevent lubricant leakage into the environment. Regular inspections and maintenance should be carried out to detect and repair any leaks promptly. Additionally, measures should be taken to prevent contaminants such as dust, dirt, and water from entering the gear system, as they can degrade the lubricant and affect the gear performance.
  3. Energy efficiency: Worm gears, like any mechanical power transmission system, consume energy during operation. It is important to consider energy efficiency when selecting and designing worm gear systems. Optimal gear design, proper gear selection, and efficient lubrication practices can contribute to reducing energy consumption and minimizing the environmental impact associated with energy use.
  4. Noise and vibration: Worm gears can generate noise and vibration during operation. Excessive noise can contribute to noise pollution, while high vibration levels can impact the surrounding equipment and structures. To mitigate these effects, it is important to design and manufacture worm gears with low noise and vibration characteristics. This can involve careful gear design, proper lubrication, and the use of vibration-damping materials or mechanisms.
  5. End-of-life considerations: At the end of their service life, worm gear components may need to be replaced or recycled. Disposal of worn-out gears should be done in accordance with applicable environmental regulations. Whenever possible, recycling or reusing gear components can help reduce waste and minimize the environmental impact associated with the disposal of gear materials.
  6. Environmental regulations: Compliance with environmental regulations and standards is crucial when using worm gears. Different regions may have specific regulations governing the use and disposal of lubricants, materials, and manufacturing processes associated with gear systems. It is important to stay informed about these regulations and ensure compliance to avoid any adverse environmental impact and legal consequences.

By considering these environmental factors, it is possible to minimize the ecological footprint of worm gear systems and promote sustainable practices in their use and maintenance. This includes selecting environmentally friendly lubricants, implementing proper sealing and maintenance procedures, optimizing energy efficiency, and adhering to relevant environmental regulations.

worm gear

Are there different types of worm gears available?

Yes, there are different types of worm gears available to suit various applications and requirements. Here are some of the commonly used types:

Single Enveloping Worm Gear:

The single enveloping worm gear, also known as a cylindrical worm gear, has cylindrical teeth on the worm wheel that mesh with the helical thread of the worm. The teeth of the worm wheel wrap around the worm in a single enveloping manner. This design provides better contact and load distribution, resulting in higher load-carrying capacity and smoother operation. Single enveloping worm gears are commonly used in heavy-duty applications where high torque transmission is required.

Double Enveloping Worm Gear:

The double enveloping worm gear is a specialized type of worm gear that provides even greater load-carrying capacity compared to the single enveloping design. In a double enveloping worm gear, both the worm and the worm wheel have curved tooth profiles. The teeth of the worm wrap around the worm wheel while the teeth of the worm wheel wrap around the worm. This double enveloping action increases the contact area, improves load distribution, and enhances the gear’s efficiency. Double enveloping worm gears are used in applications that demand high torque and precision, such as aerospace and defense industries.

Non-enveloping Worm Gear:

The non-enveloping worm gear, also known as a non-throated worm gear, has a worm wheel with teeth that do not fully wrap around the worm. Instead, the worm wheel has straight or slightly curved teeth that engage with the helical thread of the worm. Non-enveloping worm gears are simpler in design and less expensive to manufacture compared to enveloping worm gears. They are commonly used in applications with moderate loads and where cost is a consideration.

Self-locking Worm Gear:

Self-locking worm gears are designed with a specific helix angle of the worm’s thread to provide a self-locking effect. This means that when the worm is not actively driving the worm wheel, the worm wheel is prevented from rotating backward and can hold its position securely. Self-locking worm gears find applications in systems where holding position or preventing backdriving is crucial, such as elevators, lifts, and certain industrial machinery.

These are just a few examples of the different types of worm gears available. The choice of worm gear type depends on factors such as the application requirements, load capacity, efficiency, and cost considerations.

China manufacturer Positive Worm Helical Hypoid Bevel Gear / Bevel Gear / Herringbone Gear for Industrial Machinery gear patrolChina manufacturer Positive Worm Helical Hypoid Bevel Gear / Bevel Gear / Herringbone Gear for Industrial Machinery gear patrol
editor by CX 2023-09-15