China Good quality Professional Gears for Light and Heavy Truck Parts raw gear

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

8

MODULE

  7.8205

LENTH

  244

OUTER DIAMETER

ø94.44

DIRECTION OF SPIRAL

L

ACCURACY OF SPLINE

  M24*1.5-6g

NUMBER OF SPLINE

10

 DRIVEN GEAR

NUMBER OF TEETH

39

OUTER DIAMETER

ø305

DIAMETER OF INNER HOLE

ø165

ACCURACY OF SCREW

  12-ø12.5

CENTER DISTANCE OF SCREW HOLE

ø190

DIRECTION OF SPIRAL

R

 

Company Profiles

Our company,HangZhou CHINAMFG Gear co.,Ltd , specialized in Hypoid and spiral bevel gear used in Automotive industry, was foundeded in 1996, with registered capital 136,8 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$ 35/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

herringbone gear

How do you install a herringbone gear system?

Installing a herringbone gear system requires careful attention to ensure proper alignment, engagement, and functionality. Here’s a detailed explanation of the steps involved in installing a herringbone gear system:

  1. Preparation: Before installation, gather all the necessary components, including the herringbone gears, shafts, bearings, and any associated hardware. Ensure that the gears and shafts are clean and free from any debris or contaminants that could affect their performance. Review the gear system’s specifications, including the gear ratios, torque requirements, and any specific installation guidelines provided by the manufacturer.
  2. Shaft Alignment: Proper shaft alignment is crucial for the smooth operation of a herringbone gear system. Align the shafts accurately to ensure that they are parallel and concentric with each other. This can be achieved using alignment tools such as dial indicators and laser alignment systems. Proper shaft alignment helps to minimize misalignment-related issues such as gear tooth wear, noise, and premature failure.
  3. Gear Engagement: Position the herringbone gears on their respective shafts, ensuring that they are correctly oriented and meshing properly. The double helical tooth profile of the herringbone gears requires careful engagement to prevent interference and ensure smooth operation. Pay attention to the gear backlash, which is the slight clearance between the gear teeth when they are not under load. Follow the manufacturer’s recommendations for the appropriate gear backlash and adjust as necessary.
  4. Bearing Installation: Install the appropriate bearings to support the gear shafts. Ensure that the bearings are aligned and properly seated in their housings. Use the specified lubrication method and apply the appropriate lubricant to the bearings to minimize friction and wear. Adequate lubrication is essential for the smooth operation and longevity of the gear system.
  5. Check Clearances: Once the gears, shafts, and bearings are installed, check for any interferences or clearances issues. Verify that there is sufficient clearance between the gear teeth, as well as between the gears and any adjacent components or structures. Ensure that there are no obstructions that could impede the rotational movement of the gears or cause damage during operation.
  6. Tightening and Fastening: Securely tighten all fasteners, such as bolts or set screws, to hold the gears, shafts, and bearings in place. Follow the recommended torque specifications provided by the manufacturer to ensure proper fastening without over-tightening, which could lead to excessive stress or deformation of the components.
  7. Testing and Adjustment: After installation, perform a thorough inspection and functional testing of the herringbone gear system. Rotate the shafts manually or using a suitable drive mechanism to check for smooth and proper gear engagement. Listen for any unusual noises, vibrations, or irregularities that could indicate misalignment or other issues. If necessary, make fine adjustments to the gear engagement, backlash, or shaft alignment to optimize the performance of the gear system.

It is important to note that the installation process may vary depending on the specific gear system design, size, and application requirements. Always refer to the manufacturer’s guidelines, technical documentation, and any applicable industry standards when installing a herringbone gear system to ensure proper installation and optimal performance.

herringbone gear

What are the advantages and disadvantages of using herringbone gears?

Herringbone gears offer several advantages and disadvantages that should be considered when evaluating their suitability for a specific application. Here’s a detailed explanation of the advantages and disadvantages of using herringbone gears:

Advantages of Herringbone Gears:

  • Reduced Friction: The double helical arrangement of the teeth in herringbone gears helps cancel out axial thrust and minimize sliding friction during gear meshing. This results in reduced frictional losses, improving overall efficiency and reducing energy consumption.
  • Smooth Operation: Herringbone gears provide smooth and quiet operation due to their gradual meshing and unmeshing characteristics. The opposing helix angles of the teeth enable smooth tooth engagement, reducing impact and vibrations, and enhancing overall system performance.
  • High Torque Capacity: Herringbone gears have a larger surface area of contact compared to spur gears, allowing them to transmit higher torque loads. This higher torque capacity enables the use of more compact gear designs and reduces the need for additional gear stages, resulting in space and weight savings.
  • Better Load Distribution: The double helical tooth arrangement in herringbone gears distributes the load more evenly across the gear face. This improves load-bearing capabilities, reduces stress concentrations, and enhances gear life and durability.
  • Improved Alignment: Herringbone gears are self-aligning to a certain extent due to their double helical structure. This makes them more forgiving of minor misalignments, simplifying the alignment process during installation and reducing the risk of gear tooth damage.
  • No Axial Thrust: The opposing helix angles of the teeth in herringbone gears cancel out the axial thrust. This eliminates the need for additional thrust bearings or complicated thrust balancing mechanisms, simplifying the overall gear system design.

Disadvantages of Herringbone Gears:

  • Complex Manufacturing: Herringbone gears are more complex to manufacture compared to spur gears. The double helical tooth profile requires precise machining and specialized manufacturing processes, which can increase production costs.
  • Tighter Tolerance Requirements: The double helical tooth profile of herringbone gears requires tight manufacturing tolerances to ensure proper gear meshing and alignment. This may require more stringent quality control measures during production and assembly.
  • Increased Axial Space: Herringbone gears require additional axial space compared to spur gears due to their double helical structure. This can be a constraint in applications with limited axial space availability, requiring careful consideration during system design.
  • Higher Complexity in Gearbox Design: Incorporating herringbone gears into a gearbox design can add complexity to the overall system. The need for proper gear alignment, balancing, and lubrication may require more sophisticated gearbox configurations and maintenance procedures.
  • Specialized Maintenance: Herringbone gears may require specialized maintenance procedures, such as gear tooth inspection, alignment checks, and lubrication. This can involve additional time and effort compared to simpler gear systems.

When considering the use of herringbone gears, it is essential to evaluate the specific requirements of the application, including load capacity, operating conditions, space constraints, and cost considerations. Proper design, manufacturing, and maintenance practices can help leverage the advantages of herringbone gears while mitigating their disadvantages.

herringbone gear

What is a herringbone gear and how does it work?

A herringbone gear, also known as a double helical gear, is a specialized type of gear with a unique tooth design. Here’s a detailed explanation of what a herringbone gear is and how it works:

A herringbone gear consists of two helical gear sections that are mirror images of each other and are joined together to form a V-shaped or herringbone-shaped tooth profile. Unlike conventional helical gears, which have a single helix angle and a continuous spiral tooth profile, herringbone gears have two opposing helix angles, resulting in a “V” shape when viewed from the end.

The primary advantage of the herringbone gear design is its ability to eliminate axial thrust or end thrust forces that are generated in helical gears. In a conventional helical gear, the helix angle of the teeth causes an axial force along the gear’s axis during rotation. This axial force can create significant thrust loads that need to be counteracted using thrust bearings or other mechanisms.

By using the double helix design of herringbone gears, the opposing helix angles cancel out the axial forces generated by each helical section. This cancellation of axial forces eliminates the need for thrust bearings and allows herringbone gears to transmit torque smoothly without axial movement or thrust loads.

When a herringbone gear is in operation, the angled teeth of the two helical sections engage with each other, similar to how helical gears mesh. The contact between the teeth occurs gradually, starting from one end of the gear and progressing towards the other end. The overlapping or interlocking tooth profiles ensure a continuous and smooth transfer of power.

The herringbone gear design offers several advantages:

  • Axial Load Balancing: The opposing helix angles in herringbone gears balance out the axial forces, eliminating the need for thrust bearings and reducing wear on the gear teeth.
  • Increased Load Capacity: The V-shaped tooth profile of herringbone gears provides increased tooth contact area compared to a single helix gear. This leads to improved load distribution and higher load-carrying capacity.
  • Reduced Vibration and Noise: The double helix design of herringbone gears helps cancel out vibrations and reduce noise during operation. The opposing helix angles minimize tooth deflection and ensure smoother engagement between the gear teeth.
  • Bidirectional Power Transmission: Herringbone gears can transmit power in both directions due to their symmetrical tooth profiles. This makes them suitable for applications where reversing or bidirectional power transmission is required.
  • High Efficiency: The continuous and gradual engagement of the herringbone gear teeth results in improved efficiency by reducing sliding friction and minimizing backlash.

Herringbone gears are commonly used in various industrial applications, including power transmission systems, heavy machinery, oil and gas equipment, marine propulsion systems, and high-speed gearboxes. Their unique design and benefits make them well-suited for applications that require high torque transmission, smooth operation, and minimal axial thrust.

China Good quality Professional Gears for Light and Heavy Truck Parts raw gearChina Good quality Professional Gears for Light and Heavy Truck Parts raw gear
editor by CX 2023-09-18