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Product Description

Product Name: OEM/ODM Engine Gear

Engine Gear Manufacturing Plant of Xihu (West Lake) Dis.Feng Motor Corporation(DFM23)

Global OEM supply to CHINAMFG and Volvo worldwide.

 

Engine Gear Plant of DFM (DFM23 for short) was founded in 1969, which is a large production base for auto parts. We have perfect parts and components technology development capabilities thanks to our advantage of strong tool and R&D capability.

Staff: There are 795 employees in DFM23 and 156 of them are technical engineers.

Equipment:  The plant owns more than 852  machines, including 103 advanced machines which were imported.
 

Forging and machinining Equipment:

Quality Test Equipment:
 

 

Certifications:

ISO9001(2004);
ISO/TS16949(2004.11);
ISO14000(2005.3);
OHSASI18000(2005.3);
ASES(2571.10)

 

Product Development Capability:

Strong technical strength for CHINAMFG system optimization design, noise reduction, strength check and so on.

Quick Response; R&D with Customer.                                                 

Full Quality Control; Self Design/ Self made tooling                

 

Informatization Technology Applied in Plant:

PMS & ERP & MES system come into service in March 2017.

Technical Patents/ Intellectual Property:

Now we own 12 patents.

New Technology Applications:

Anti-wear phosphating; Shot Peen; High speed Hobbing; High speed teeth grinding; Continuous heat treatment
Honing Hole; Hard turning; Inner hole and end-face grinding.

 

Gear Product Development Plan:

 

Global Supply to Cummins
 

We provide nearly 200 kinds of gears for CHINAMFG global 15 OEM plants & cooperative partners, 3 spare parts service center, products cover 2.8L-95L.

At present, we are sole supplier for 45L above heavy-duty engine gear; Provide optimized design proposal for CHINAMFG engine gear, participate in R&D and other technical support and comprehensive service ability.

 

We manufature according to customer’s drawings and requirements,
 

Type of Gears We can supply:
 

Gear Crankshaft / Gear Camshaft / Gear Fuel pump / Gear Air compressor / Gear from moving

 

Material:
 

20CrMnTiH, 20CrMo, 20MnCr5, SAE8620H, 17CrNiMo7-6

 

Weight(kg): 0.6-30

 

Size(mm): 50-360

 

Gear Precision: ISO6 Level

Application: Motor, Electric Cars, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Forging+Machining
Toothed Portion Shape: Spur Gear
Material: Forging Gear
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

ring gear

How do you install a ring gear system?

Installing a ring gear system requires careful attention to ensure proper alignment, engagement, and secure attachment. Here’s a detailed explanation of the installation process:

  1. Prepare the Components: Gather all the necessary components for the ring gear system installation, including the ring gear, driving gear, and any other associated gears or components.
  2. Clean the Surfaces: Thoroughly clean the mounting surfaces of the gears and the mating components to remove any dirt, debris, or old lubricant. Clean surfaces will ensure better engagement and prevent contamination of the gear system.
  3. Inspect the Gears: Carefully inspect the ring gear and other gears for any signs of damage, wear, or misalignment. Check the teeth for any chips, cracks, or irregularities that may affect the performance of the gear system. Replace any damaged or worn gears before proceeding with the installation.
  4. Ensure Proper Alignment: Align the ring gear and the driving gear in the desired configuration. The alignment depends on the specific gear system and application requirements. Follow the manufacturer’s guidelines or engineering specifications to achieve the correct alignment.
  5. Establish Gear Engagement: Position the driving gear in close proximity to the ring gear and ensure proper engagement of the gear teeth. The teeth should mesh smoothly and evenly without any gaps or interference. Adjust the positioning of the gears if necessary to achieve optimal engagement.
  6. Secure Attachment: Once the gears are properly aligned and engaged, secure the ring gear in place. This may involve bolting or fastening the ring gear to a stationary component or housing. Follow the recommended torque specifications provided by the manufacturer to ensure proper tightening without overloading the gear system.
  7. Check Clearance and Backlash: Verify that there is adequate clearance between the gears and other nearby components to prevent interference during operation. Also, check the backlash, which is the slight gap between the meshing teeth, to ensure it falls within the recommended range. Adjust the gear positioning if clearance or backlash is outside the acceptable limits.
  8. Apply Lubrication: Apply the appropriate lubricant to the gear teeth and the mating surfaces to reduce friction and wear. Refer to the manufacturer’s recommendations for the type and amount of lubricant to use. Proper lubrication is crucial for smooth gear operation and longevity.
  9. Perform Function and Safety Tests: After the installation, perform function tests to ensure the gear system operates smoothly and without any abnormal noise or vibration. Additionally, check for any safety considerations, such as the presence of appropriate guards or protective covers if required for the specific application.

It’s important to note that the installation process may vary depending on the specific gear system, machinery, and manufacturer’s guidelines. Always refer to the provided instructions and consult with experts or professionals if needed to ensure a proper and accurate installation of the ring gear system.

ring gear

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

Preventing backlash and gear play in a ring gear mechanism is crucial for ensuring accurate and precise operation. Here’s a detailed explanation of how to prevent backlash and gear play in a ring gear mechanism:

  • Precise Gear Design: The design of the ring gear and associated gears should be carefully engineered to minimize backlash. This involves selecting appropriate tooth profiles and gear geometry that promote proper meshing and minimize clearance between the gear teeth. The gear design should consider factors such as tooth thickness, pressure angle, and tooth contact ratio to achieve optimal gear meshing without excessive play.
  • Tight Manufacturing Tolerances: Close manufacturing tolerances are essential to reduce backlash in a ring gear mechanism. The gear components, including the ring gear and mating gears, should be produced with high precision to ensure accurate tooth dimensions and minimize any gaps or play between the gear teeth. Tight manufacturing tolerances help achieve a tighter meshing fit, reducing backlash and gear play.
  • Proper Gear Alignment: Accurate alignment of the ring gear and mating gears is crucial for minimizing backlash. The gears should be properly aligned along their axes to ensure precise engagement and minimize any misalignment that can contribute to play. Adequate alignment can be achieved through careful assembly techniques, such as using alignment fixtures, proper shimming, and precision measurement tools.
  • Preload or Pre-tension: Applying preload or pre-tension to the ring gear mechanism can help reduce backlash and gear play. Preload involves applying a slight compressive force or tension to eliminate any clearance or gaps between the gear teeth during operation. This can be achieved through various methods, such as using spring-loaded components, adjustable shims, or axial preloading devices.
  • Optimized Lubrication: Proper lubrication is essential for reducing friction and minimizing gear play. Lubricants with appropriate viscosity and film strength should be used to ensure smooth gear operation and reduce any unwanted movement or play between the gear teeth. Regular lubricant maintenance, such as monitoring oil levels and replenishing or replacing lubricants as needed, helps maintain optimal lubrication conditions and minimize backlash.
  • Mechanical Backlash Compensation: In some applications, mechanical compensation mechanisms can be employed to actively compensate for any residual backlash. These mechanisms can include systems with adjustable clearances, anti-backlash devices, or dual-gear arrangements that counteract the effects of backlash. Mechanical backlash compensation techniques can help maintain precise positioning and eliminate any undesired play in the gear mechanism.

By implementing these measures, it is possible to significantly reduce or eliminate backlash and gear play in a ring gear mechanism. Careful gear design, tight manufacturing tolerances, proper alignment, preload or pre-tension, optimized lubrication, and mechanical compensation techniques all play a role in ensuring accurate and precise operation of the ring gear mechanism.

ring gear

What is a ring gear and how does it work?

A ring gear is a type of gear that features teeth on the outer perimeter of a circular ring-shaped component. It is commonly used in various mechanical systems and applications. Here’s a detailed explanation of what a ring gear is and how it works:

A ring gear, also known as an annular gear or internal gear, is a gear with teeth on the inside circumference of a circular ring. It is designed to mesh with a pinion gear or another gear that has teeth on the outside. The combination of a ring gear and a pinion gear forms a gear set, enabling the transmission of rotational motion and torque between the two gears.

Here’s how a ring gear works:

  1. Tooth Engagement: When a ring gear and a pinion gear are brought together, the teeth of the pinion gear mesh with the teeth of the ring gear. The teeth of the pinion gear enter the spaces between the teeth of the ring gear, creating a mechanical connection between the two gears.
  2. Motion Transmission: As the driving gear (such as the pinion gear) rotates, it transfers rotational motion to the ring gear. The teeth of the driving gear push against the teeth of the ring gear, causing the ring gear to rotate in the opposite direction. This rotational motion can be used to drive other components or systems connected to the ring gear.
  3. Torque Transfer: The meshing of the teeth between the ring gear and the driving gear allows for the transfer of torque. Torque is the rotational force or twisting force applied to a gear. As the driving gear exerts torque on the ring gear through the meshing teeth, the ring gear experiences a torque load. This torque load can be transmitted to other components or systems connected to the ring gear.
  4. Gear Ratio: The gear ratio between the ring gear and the driving gear determines the speed and torque relationship between the two gears. The gear ratio is defined as the ratio of the number of teeth on the ring gear to the number of teeth on the driving gear. By changing the size or number of teeth on either the ring gear or the driving gear, the gear ratio can be adjusted to achieve the desired speed or torque output.
  5. Load Distribution: The ring gear distributes the load over a larger area compared to other types of gears. This load distribution characteristic allows the ring gear to handle higher loads and torque. The design of the ring gear and its tooth profile ensures that the load is evenly distributed across the surface of the gear, enhancing its durability and reducing the risk of premature wear or failure.

Ring gears are commonly used in various applications, including automotive transmissions, differential systems, planetary gear systems, industrial machinery, and power transmission equipment. They provide advantages such as compactness, high torque capacity, load distribution, and the ability to achieve high gear ratios.

It’s important to note that the design and characteristics of ring gears may vary depending on the specific application and requirements. Factors such as tooth profile, material selection, lubrication, and manufacturing techniques are carefully considered to ensure optimal performance and durability of the ring gear.

China wholesaler Large Gear Diameter Gear Large Ring Gear Large Gear Ring and Large Diameter Gear worm gear winchChina wholesaler Large Gear Diameter Gear Large Ring Gear Large Gear Ring and Large Diameter Gear worm gear winch
editor by CX 2023-09-14