Product Description

Product Description

Our Gear types: Straight Teeth Gear, sprocket, Oblique Teeth Cylinder Gear, External Spur Gear, Internal Spur Gear, Gear Shaft etc the standard and non standard according to the drawings or samples.
Material: 45#, 40Cr, 20CrMo, 20CrMoti, 17CrNiMo6, 20CrMnTi or the others
Heat treatment: Medium frequency quenching, high frequency quenching, carburizing and quenching, nitriding, Carbon-Nitriding, Salt bath quenching.
Working Process: Gearh hobbing, Gear shaving, Gear shaping, Gear grinding etc
Precision Grade: GB5-8, JIS 1-4, AGMA 12-9, DIN 6-9
Application area: Auto gearbox, medical equipment, metallurgical machinery, port machinery, lifting equipment, mining machinery, electrical power equipment, light industry equipment, environmental protection machinery.
 

Detailed Photos

 

Product Parameters

Take the example of our sprocket or chainwheel
The standard and non standard according to the drawings or samples.
Material: C45, S235JR, CAST STEEL or the others
1, Description: Sprocket, chainwheel
2, Types:
A) Standard sprocket
B) Finished bore sprocket
C) Taper bore sprocket
D) Double plate wheels
E) conveyor sprocket
3, Material: C45, S235JR, Nylon
4, Surface treatment: Zinc-plated, black finish
5, Single A-type, double A-type, Welding hub KB-type, Welding hub C-type etc for your reference.
6. Process: Forging( casting)—lathe- teeth shaping—finishing—oil washing—Packing, made by CNC machine
7. Inspection: All items are checked and tested thoroughly during every working procedure and after the product is finally manufactured to ensure that the best quality product enter into the market.

Packaging & Shipping

Our Advantages

 

After Sales Service

Our Core range of spur gears, industry sprocket, and roller chains are specifically designed to be interchangeable and versatile, this helps us keep lower stock levels while achieving the customization necessary for so many applications. The core offer has also enabled us to offer excellent pricing levels for low quantities, often prototypes are very expensive due to lack of economies of scale we have tried to help with this as much as possible. HangZhou CHINAMFG can offer bespoke units for larger quantities and offer a Supply Chain service where we work closely with our customers to identify the optimal delivery schedule in accordance with OEM production levels. If you are looking for spur gear, drive shafts, industry sprocket etc, you have come to the right place, our expert technical sales staff will recommend the best possible option for both your application and your pocket. Contact us now to discuss your application.
HangZhou CHINAMFG TRADE CO., LTD is responsible for exporting the above products, and we also import some important products from oversea markets.
Our company has got the right of import and export from the Government department.
It is necessary to get your specific requirement when contacting us,
for example of gear, number of teeth, module, pitch diameter, inner hole diameter, thickness, outside drawing etc. and then we will give the accurate offers.
Therefore, hope to get your feedback soon.

Please watch our process steps as below
(1) process these output shafts

(2)process these spur gears and sprockets

(3) turning machining

(4) assembly preparation

(5) fine process workshop

 

CHOOSE US FOR:
1. We offer engineer suggestion to your specified design in production improvement and cost saving.
2. R&D and QC department focus on the products to meet your strict requirements.
3. Different surface treatments available, plating, power coating, painting, anodized,polishing, electrophoresis, etc.
4. Different dimensions according to buyer’s request.
5. Various packagings according to specific requirements.
6. Customized and tailored orders are welcome.
7. Good quality and Quick action.
8. Our products have been exported to America, Australia,German,Korea,Indian.

CONFIDENTIAL POLICY:
1) The appointed products are only for you.
2) Your informations&documents are confidential.
3) Your drawings&sketch are confidential.

FAQ

Question:
1.Q:How about mould cost?
A: primarily depend on : 1.Drawing, 2.material, 3.weight and quantity.
We need to know the structure of each parts to analyze the mold solution by:

1) –Complete design drawing or actual sample —– the best way
–PDF drawing with complete dimension for each parts
–Clearly photos for each parts with more angle-views to show every features.

2)The materials and surface treatments.

3)The quantity of order.

2.Q:How to control the product processing?
A: The processing report or pictures will be sent to the customer every week/ each month for review.

3.Q:Who will own the mould?
A:Customer, also the mould can be kept in our factory for future order.

4.Q:How long do you make your quotation?
A:After receiving detail informations we will quote in 1 to 3 days.

5.Q: Are the samples/prototype free of charge?

A: charged,but it will be returned to buyer when an order confirmed and order quantity is over 5000 pcs.
After your drawing confirmed and charges done for the prototype, we will produce a sample
by CNC machining. And the first trial samples (1-3pcs) will be shipped to buyer
by the DHL /Fedex at buyer’s express account or prepay the express charges.

MOQ? — 200units and accept sample order.

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Application: Motor, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Alloy Steel
Samples:
US$ 445.20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gear

How do you prevent backlash and gear play in a worm gear mechanism?

Preventing backlash and gear play is essential for maintaining the accuracy and performance of a worm gear mechanism. Here’s a detailed explanation of how to prevent backlash and gear play in a worm gear mechanism:

Backlash refers to the play or clearance between the teeth of the worm and the worm wheel in a worm gear mechanism. It can result in inaccuracies, positioning errors, and reduced efficiency. Here are some measures to prevent or minimize backlash and gear play:

  • Precision manufacturing: Accurate and precise manufacturing of the worm and worm wheel is crucial to minimize backlash. High-quality machining techniques, such as grinding, can be employed to achieve precise tooth profiles and minimize any gaps between the teeth. Careful attention to the design and manufacturing tolerances can help reduce backlash.
  • Tight meshing clearance: Proper adjustment of the meshing clearance between the worm and the worm wheel can help minimize backlash. The meshing clearance should be set as small as possible without causing interference or excessive friction. Close clearance ensures a tighter fit between the teeth, reducing the amount of play or backlash.
  • Anti-backlash mechanisms: Anti-backlash mechanisms can be incorporated into the worm gear system to reduce or eliminate backlash. These mechanisms typically consist of spring-loaded components or adjustable devices that help compensate for any clearance between the teeth. They apply a constant pressure to keep the teeth engaged tightly, reducing the effects of backlash.
  • Preload: Applying a preload to the worm gear system can help minimize backlash. Preload involves applying a slight compressive force or tension to the components, ensuring they remain engaged and eliminating any clearance. However, it is important to apply the appropriate preload to avoid excessive friction and wear.
  • Lubrication: Proper lubrication is crucial for minimizing backlash and reducing gear play. Lubricants with suitable viscosity and properties should be used to ensure smooth and consistent operation of the worm gear mechanism. Good lubrication helps reduce friction, wear, and any potential clearance that can contribute to backlash.
  • Regular maintenance: Regular inspection and maintenance of the worm gear mechanism can help detect and address any developing backlash or gear play. Routine checks can identify signs of wear, misalignment, or improper lubrication, allowing for timely adjustments or replacements to minimize backlash and maintain optimal performance.

It’s important to note that completely eliminating backlash in a worm gear mechanism may not always be possible or desirable. Some applications require a certain level of backlash to accommodate thermal expansion, compensate for positional errors, or allow for smooth operation. The acceptable level of backlash depends on the specific requirements of the application.

When implementing measures to prevent backlash and gear play, it is crucial to strike a balance between minimizing backlash and ensuring smooth, reliable operation. The specific techniques and approaches used to minimize backlash may vary depending on the design, manufacturing, and application requirements of the worm gear mechanism.

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.

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editor by CX 2024-01-08