Product Description

High-speed rail couplings

The Gear Transmission Division covers an area of more than 80,000 square meters. It has more than 350 sets of various equipment, including machining centers, turning centers, CNC lathes, precision grinding machines (CNC), CNC profile grinding machines, gear testing machines, three-coordinate testing machines, gearbox comprehensive performance test benches, well carburising furnaces, multi-purpose furnaces, nitriding furnaces, induction machines, quenching and pressing machines, etc. With a full range of equipment and a wide processing range, our company has ability to process and test internal and external gears with an external diameter of up to φ2500mm, a module of up to 45mm and an accuracy of up to AGMA 14-13 grade or DIN 3962 grade 3-4, forming an annual production capacity of nearly 60,000 gears and more than 15,000 sets of gearboxes. It has established a first-class domestic and world advanced gear transmission system industrialization base.

                  4400 Slave gear                                            Mechanical drive gear                                              HXD1C Traction gear
 
                                      

Detailed Photos

 

Company Profile

CRRC 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.

 

 

Comparison of Tooth Couplings with Gear and Jaw Couplings

Tooth couplings, gear couplings, and jaw couplings are all types of couplings used in mechanical systems. Here’s a comparison of tooth couplings with gear and jaw couplings:

Tooth Couplings:

• They have interlocking teeth that provide high torque transmission capacity.
• Offer excellent misalignment compensation due to the tooth design.
• Can handle angular, radial, and axial misalignment.
• Transmit torque with low backlash and high torsional stiffness.

Gear Couplings:

• Use gears to transmit torque, providing high torque capacity.
• Handle angular misalignment but are less effective with radial and axial misalignment.
• Have backlash due to the gear design, which can affect precision applications.
• Require periodic lubrication and maintenance.

Jaw Couplings:

• Use elastomeric elements (jaws) for torque transmission.
• Provide good torsional stiffness and misalignment compensation.
• Handle moderate angular and axial misalignment but limited radial misalignment.
• Are simple in design and easy to install.

Ultimately, the choice between these couplings depends on the specific requirements of the application. Tooth couplings are preferred for high torque, precision, and demanding applications that require precise torque transmission and efficient misalignment compensation. Gear couplings excel in high torque situations but may have more backlash. Jaw couplings are suitable for simpler applications with moderate misalignment and torque requirements.

Diagnosing and Addressing Issues with Tooth Couplings

Diagnosing and addressing issues related to tooth couplings within machinery systems involves a systematic approach to troubleshooting and maintenance:

• Visual Inspection: Regularly inspect tooth couplings for signs of wear, damage, misalignment, or corrosion.
• Abnormal Noises: Unusual noises during operation, such as grinding or clanking sounds, may indicate problems with tooth engagement or misalignment.
• Vibration Analysis: Excessive vibration can be a sign of misalignment or other issues. Use vibration analysis tools to identify the source of vibration.
• Temperature Monitoring: Elevated temperatures could point to problems like inadequate lubrication or excessive friction.
• Lubrication Analysis: Monitor the quality and level of lubrication to ensure proper coupling function and minimize wear.
• Alignment Check: Periodically check and adjust the alignment of connected shafts to prevent excessive load on the tooth coupling.
• Torque Measurement: Measure the transmitted torque to ensure it is within the coupling’s rated capacity.
• Replacement of Components: If wear or damage is detected, replace worn or damaged components promptly to prevent further issues.
• Professional Expertise: If problems persist or are beyond your expertise, consult with coupling manufacturers or specialists for guidance.

By regularly monitoring and addressing potential issues, you can ensure the reliable performance and longevity of tooth couplings in machinery systems.

Benefits and Applications of Tooth Couplings

Using a tooth coupling offers several key benefits in mechanical systems:

• High Torque Transmission: Tooth couplings can handle high torque loads, making them suitable for heavy-duty applications.
• Angular Misalignment: They accommodate angular misalignment between shafts, reducing stress and wear on components.
• Axial Movement: Tooth couplings allow limited axial movement, which is crucial in applications with varying distances between shafts.
• Compact Design: Tooth couplings have a compact design, making them ideal for applications with limited space.
• Efficient Power Transmission: The meshing teeth provide efficient torque transmission with minimal backlash.

Tooth couplings find applications in various industries:

• Manufacturing: Used in conveyor systems, pumps, compressors, and machine tools.
• Automotive: Used in drivetrains, power transmission, and steering systems.
• Marine: Used in marine propulsion systems, winches, and deck machinery.
• Power Generation: Used in turbines, generators, and cooling tower fans.
• Aerospace: Used in aircraft control systems, landing gear, and engine accessories.

editor by CX 2023-09-27