Product Description
Gear and gear box
About diesel locomotive gear transmission system we have mastered the design and manufacturing technology of various diesel locomotive gear transmission systems, and has formed mass produc-tion capacity. The products mainly include Harmony series (including HXN3,HXN5, HXN3B, HXN5B, etc.) and Xihu (West Lake) Dis.feng series (including DF4, DF5, DF8,DF11, etc. ), suitable for plateau and alpine regions such as northeast and northwest. HXN5 in the Harmony series is currently the most powerful AC drive diesel locomotive in China.
Representative Products
HXN3 Driven Gear HXN5 Diesel Auxiliary Drive Gear HXN5 Driving Gear
About electric locomotive gear transmission system,the main products are Harmony series (including HXD1, HXD2, HXD3, etc.)and160 km power centralized EMU series. The HXD1B electric locomotive in the Harmony series is the world’s first electric locomotive with the largest single machine power. Towing 6000 tons of freight is required.
Representative Products
HXD1(C) Electric Locomotive Traction Gear HXD1(C) Aluminum Alloy Gearbox HXD1B Gearbox Case
Detailed Photos
Company Profile
CHINAMFG Xihu (West Lake) Dis. Institute Co.,Ltd is a state-own company affiliated with CHINAMFG group. Found in 1959, it locates in HangZhou city in the great ZheJiang region.Focus on R&D of critical equipment for China railway industry, it is a specialized research institution for new material and processes for locomotive and rolling stocks, as well as a high-tech manufacturer of critical parts and components for railway transportation.Currently, it has about 3,000 employees working in 6 production sites, its revenue exceeded 700 million USD in 2571.
Rail transit equipment, automobiles and new energy vehicles, ships and marine engineering equipment, aerospace vehicles, energy-saving and environmental protection equipment, wind power generation equipment, mining machinery, robot parts, construction machinery, mechanical and electrical equipment, transmission devices, instrumentation, electronic appliances, plastics R&D, design, manufacture, sales, repair, leasing, and technical services of products, metal products and parts; Mold manufacturing, sales, repair, and technical services; Metal casting, forging, and welding; Surface treatment and heat treatment; Orbital welding Engineering construction; Product testing and testing; Professional technical and operational skills training (excluding vocational certificate training recognized by the state), technical and management consulting, conference services; Rental of self-owned houses and equipment; Self-operated and agency of various commodities and technology import and export business (except for goods and technologies that are restricted by the state or prohibited from import and export); Design and produce print advertisements, and use the company’s public publications to publish domestic advertisements.
Certifications
FAQ
1. How long is the product warranty period?
A: Two years.
2, how to place an order to our company?
A: After the products you need are confirmed by both parties, our company will CHINAMFG a contract with you, and we will execute the delivery and other related matters according to the contract terms.
3. How to distribute the product?
A: We generally provide FOB prices, and the freight is borne by the buyer. If the buyer has the demand, we can also provide CIF price, our company is responsible for shipping products.
4. Settlement currency?
A: We can settle in RMB, USD and Euro.
5. Return policy?
A: In case of any problem with the product, the 2 parties shall negotiate a return or exchange according to the terms and conditions of the contract.
6. After-sales problems?
A: If there is a quality problem during the warranty period, our company will answer it to the customer within 24 hours. If the problem is more serious, our company will arrive at the customer site within a week to answer it. Products beyond the warranty period we provide maintenance services, provide paid replacement parts, provide paid customer on-site service.
7, how to buy the fragile and consumable parts in the product?
A: Our company will make a list of vulnerable and consumable parts and provide channels for purchase.
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| Application: | Machinery |
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| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Customization: |
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| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the advantages and disadvantages of using a bevel gear?
Bevel gears offer several advantages and disadvantages when used in mechanical systems. Understanding these pros and cons is crucial for selecting the appropriate gear type for a given application. Here’s a detailed explanation of the advantages and disadvantages of using a bevel gear:
Advantages of Bevel Gears:
- Power Transmission at Different Angles: Bevel gears are specifically designed to transmit power between intersecting shafts at different angles. They allow for efficient torque transmission and direction changes in applications where the input and output shafts are not parallel. This flexibility makes bevel gears suitable for a wide range of mechanical systems.
- Compact Design: Bevel gears have a compact and space-efficient design, allowing them to be used in applications with limited space constraints. Their ability to transmit power at an angle helps in optimizing the layout and arrangement of components in machinery and equipment.
- High Efficiency: Well-designed and properly maintained bevel gears can achieve high power transmission efficiency, typically above 95%. The efficient tooth engagement and load distribution in bevel gears minimize power losses due to friction and mechanical inefficiencies, resulting in energy-efficient operation.
- Smooth and Quiet Operation: Bevel gears generally provide smooth and quiet operation in properly designed and well-maintained systems. The meshing of the gear teeth is designed to minimize noise and vibration, ensuring smooth power transmission and reducing the need for additional noise-reducing measures.
- Versatility: Bevel gears are available in various configurations, including straight bevel, spiral bevel, and hypoid bevel gears. This versatility allows them to be used in a wide range of applications across different industries, accommodating different load capacities, speed requirements, and operating conditions.
- High Load Capacity: Bevel gears are capable of handling high loads and transmitting substantial amounts of torque. Their robust design, accurate tooth engagement, and strong materials make them suitable for heavy-duty applications where reliable power transmission is required.
Disadvantages of Bevel Gears:
- Complex Manufacturing: Bevel gears are more complex to manufacture compared to other gear types due to their three-dimensional shape and intricate tooth profiles. The manufacturing process involves specialized equipment and expertise, which can increase production costs.
- Cost: Bevel gears, especially those with high precision and load capacities, can be relatively expensive compared to other types of gears. The cost of materials, manufacturing complexity, and quality requirements contribute to their higher price.
- Potential for Noise and Vibration: In certain operating conditions, such as high speeds or misaligned gears, bevel gears can generate noise and vibration. This can be mitigated through proper design, accurate manufacturing, and maintenance practices, but additional measures may be necessary to reduce noise and vibration levels in some applications.
- Sensitive to Misalignment: Bevel gears are sensitive to misalignment, which can lead to increased friction, accelerated wear, and reduced efficiency. Proper alignment and control of backlash are essential for optimal performance and longevity of the gear system.
- Complex Lubrication: The lubrication of bevel gears can be more challenging compared to parallel-axis gears. Due to their angled tooth engagement, ensuring proper lubrication film thickness and distribution across the gear teeth requires careful consideration. Inadequate or improper lubrication can result in increased friction, wear, and reduced efficiency.
It’s important to consider these advantages and disadvantages of bevel gears in the context of specific applications and operating conditions. Proper design, selection, manufacturing, and maintenance practices can help maximize the benefits of bevel gears while mitigating their limitations.

How do you ensure proper alignment when connecting a bevel gear?
Proper alignment is crucial when connecting a bevel gear to ensure efficient power transmission, smooth operation, and longevity of the gear system. Here’s a detailed explanation of how to ensure proper alignment:
When connecting a bevel gear, the following steps can help ensure proper alignment:
- Check Gear Specifications: Begin by reviewing the gear specifications provided by the manufacturer. This includes information about the gear’s design, tolerances, and alignment requirements. Understanding these specifications is essential for achieving the desired alignment.
- Prepare Mounting Surfaces: Ensure that the mounting surfaces for the gears, such as shafts or gearboxes, are clean, free from debris, and properly prepared. Any irregularities or surface defects can affect the alignment and lead to misalignment issues. Remove any burrs, nicks, or rough spots that could interfere with the proper seating of the gears.
- Use Alignment Tools: Alignment tools, such as dial indicators or laser alignment systems, can be helpful in achieving precise alignment. These tools allow for accurate measurement and adjustment of the gear’s position relative to the mating components. Follow the instructions provided with the alignment tools to set up and perform the alignment process correctly.
- Axial Alignment: Achieving proper axial alignment is crucial for bevel gears. The axial alignment refers to aligning the gear’s rotational axis parallel to the mating gear’s rotational axis. This ensures proper gear meshing and load distribution. Use alignment tools to measure and adjust the axial alignment, making necessary modifications to the gear’s position or shimming as required.
- Radial Alignment: Radial alignment involves aligning the gear’s rotational axis perpendicular to the mating gear’s rotational axis. Proper radial alignment helps prevent side loads, excessive wear, and noise generation. Use alignment tools to measure and adjust the radial alignment, ensuring that the gear’s position is properly adjusted or shimmed to achieve the desired alignment.
- Verify Tooth Contact Pattern: After aligning the gears, it is important to verify the tooth contact pattern. The tooth contact pattern should be evenly distributed across the gear tooth surfaces to ensure proper load sharing and minimize wear. Conduct a visual inspection or use specialized tools, such as gear marking compounds, to check and adjust the tooth contact pattern if necessary.
By following these steps and using appropriate alignment tools, you can ensure proper alignment when connecting a bevel gear. Proper alignment promotes efficient power transmission, minimizes wear, reduces noise, and extends the lifespan of the gear system.
It is worth noting that each gear system may have specific alignment requirements and considerations. Consult the gear manufacturer’s guidelines and best practices, as well as seek the expertise of experienced engineers, to ensure the proper alignment of bevel gears in your specific application.

What is a bevel gear and how does it work?
A bevel gear is a type of gear that has teeth cut on the cone-shaped surface of the gear. It is used to transmit rotational motion and power between two intersecting shafts. Here’s a detailed explanation of what a bevel gear is and how it works:
A bevel gear consists of two cone-shaped gears with intersecting axes. The gear teeth are cut on the tapered surface of the gears. The gear with the smaller diameter is called the pinion, while the gear with the larger diameter is called the crown gear or ring gear.
Bevel gears are classified into different types based on their tooth geometry and arrangement. The most common types are straight bevel gears, spiral bevel gears, and hypoid bevel gears. Straight bevel gears have straight-cut teeth and intersect at a 90-degree angle. Spiral bevel gears have curved teeth that are gradually cut along the gear surface, allowing for smoother engagement and reduced noise. Hypoid bevel gears have offset axes and are used when the intersecting shafts are non-parallel.
When two bevel gears mesh together, the rotational motion from one gear is transmitted to the other gear. The gear teeth engage and disengage as the gears rotate, transferring torque and power between the shafts.
The operation of bevel gears is similar to that of other types of gears. When the pinion gear rotates, it causes the crown gear to rotate in the opposite direction. The direction of rotation can be reversed by changing the orientation of the gears. Bevel gears can provide different speed ratios and torque conversions depending on the gear sizes and the number of teeth.
The key characteristics of bevel gears include:
- Transmission of motion: Bevel gears are used to transmit rotational motion between intersecting shafts, allowing for changes in direction and speed.
- Torque transfer: Bevel gears can transmit torque from one shaft to another, allowing for power transmission in various mechanical systems.
- Axial thrust: Due to the angled tooth arrangement, bevel gears generate axial thrust forces that need to be properly supported or accounted for in the design of the mechanical system.
- Efficiency and noise: The efficiency and noise characteristics of bevel gears depend on factors such as tooth design, lubrication, and manufacturing quality.
Bevel gears are commonly used in a wide range of applications, including automotive differentials, power tools, printing presses, machine tools, and marine propulsion systems. Their ability to transmit motion and torque at intersecting angles makes them versatile and suitable for various mechanical systems.
In summary, a bevel gear is a cone-shaped gear that transmits rotational motion and power between intersecting shafts. It works by meshing the gear teeth of two gears, allowing for the transfer of torque and rotational motion. Bevel gears are available in different types and are used in various applications that require changes in direction or speed of rotational motion.


editor by Dream 2024-05-16