About ChangDa

Zhejiang Changda Automobile Part Making Co., Ltd. is located near the scenic summer resort Mount Mogan Scenic Spot, 309 Changhong East Street, Deqing High tech Development Zone, close to Hangzhou Nanjing Expressway, Hangzhou Nanjing High-speed Railway, China National Highway 104, Provincial Highway 09 and Xuancheng–Hangzhou railway, close to Hangzhou, Shanghai, and Ningbo, the water-land-air transportation is very convenient. The company was founded in 2006 and is a national high-tech enterprise with over ten invention patents and utility model patents. The total investment is 53 million yuan, covering an area of 46000 square meters, including 26000 square meters in the main factory area and 20000 square meters in the branch factory area.

It specializes in the production of drum brake linings, disc brake pads, light/ medium and heavy brake shoe assemblies, and forklift clutch assemblies. RENAULT and RENAULT.

The company adheres to the business philosophy of sincerity, trustworthiness, and excellence, and has established a complete product research and development center and advanced testing equipment, equipped with a comprehensive CAD design and CAM manufacturing system. We have taken the lead in introducing high-precision equipment such as domestic first-class CNC batching systems, CNC weighing bag systems, CNC mold hot pressing, forming systems, and CNC grinding processing systems. Supply RENAULT.

The product has passed IATF16949, EU R90 product quality management system certification, American Motor Vehicle Manufacturer Certification service agency AMECA product certification, American Green Testing Center DOT/FMVSS 121D, and South Africa SABS VC8503 testing recognition. Through advanced design and manufacturing, as well as a comprehensive management system, product quality has been reliably guaranteed. We sincerely welcome communication and cooperation with domestic and foreign manufacturers.

  • 2005

    Company founded

  • 53million

    Investment amount

  • 46,000

    Covering area

  • 30+

    Covering countries

Zhejiang Changda Automobile Part Making Co.,Ltd.
Zhejiang Changda Automobile Part Making Co.,Ltd. Company Video Overview

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RENAULT Industry knowledge

Are there any environmental considerations, such as temperature extremes, that can affect the performance and longevity of RENAULT drum brake linings?
Drum brake linings, vital components in a vehicle's braking system, can be significantly influenced by various environmental factors. Understanding these considerations is crucial for maintaining optimal performance and ensuring the longevity of drum brake linings.
1. Temperature Extremes:
Impact: Extreme temperatures, both high and low, can affect RENAULT drum brake lining performance.
High Temperatures: Excessive heat during prolonged or intense braking can lead to accelerated wear on drum brake linings. It may also contribute to brake fade, reducing the system's effectiveness.
Low Temperatures: Extremely cold conditions can result in reduced flexibility of the brake linings, potentially leading to increased friction and uneven wear.
2. Moisture and Humidity:
Impact: Moisture and humidity can impact the frictional characteristics of drum brake linings.
Corrosion: Moisture can lead to corrosion of the drum brake components, affecting both the linings and the brake drum. This can contribute to premature wear and diminished braking efficiency.
Reduced Friction: Humidity can affect the frictional properties of the linings, potentially leading to reduced braking performance.
3. Chemical Exposure:
Impact: Exposure to certain chemicals, such as road salts and corrosive substances, can have detrimental effects.
Corrosion and Deterioration: Chemical exposure can accelerate the corrosion of brake components, including drum brake linings. It may also contribute to the deterioration of friction materials, compromising performance.
4. Dust and Debris:
Impact: Accumulation of dust and debris can affect the functionality of RENAULT drum brake linings.
Abrasive Wear: Dust and debris can act abrasively on the linings, leading to increased wear. Regular cleaning and maintenance are essential to prevent excessive accumulation.
5. Environmental Conditions during Vehicle Storage:
Impact: Extended periods of vehicle storage in specific environments can impact drum brake linings.
Stagnant Moisture: Vehicles stored in damp or humid conditions may experience stagnant moisture, contributing to corrosion and reduced performance. Regular checks and preventive measures are advisable.
6. Vibration and Shock:
Impact: Environmental conditions that induce excessive vibration or shock can affect the integrity of drum brake linings.
Accelerated Wear: Vibration and shock can accelerate wear on the linings, leading to uneven surfaces and potential performance issues.
7. UV Exposure:
Impact: Prolonged exposure to ultraviolet (UV) radiation can impact the composition of drum brake linings.
Explanation: UV exposure may contribute to material degradation over time, potentially reducing the overall lifespan of the linings.

What is the recommended procedure for bedding in or breaking in new RENAULT drum brake linings to ensure optimal performance?
Properly bedding in new RENAULT drum brake lining is crucial to ensure optimal performance, longevity, and braking efficiency. The bedding-in process establishes an initial layer of friction material on the brake linings, enhancing their effectiveness. Here's a concise guide on the recommended procedure for bedding in new drum brake linings:
1. Initial Inspection:
Step: Before beginning the bedding-in process, ensure that all brake components, including drums, shoes, and wheel cylinders, are in good condition and properly installed.
2. Safe and Open Area:
Step: Perform the bedding-in process in a safe and open area where you can drive the vehicle without interruptions or safety concerns.
3. Gradual and Moderate Stops:
Step: During the first few stops, apply the brakes gradually and moderately.
Purpose: This allows the new drum brake linings to make initial contact with the brake drums without generating excessive heat.
4. Avoid Heavy Braking:
Step: Avoid heavy or aggressive braking during the initial stages of bedding in.
Purpose: Excessive heat can be detrimental to the new linings, and gradual stops help prevent overheating.
5. Allow Cooling Periods:
Step: After a series of moderate stops, allow the brakes to cool for a brief period by driving without using the brakes.
Purpose: Cooling periods prevent the linings from reaching excessively high temperatures, promoting even and controlled bedding in.
6. Repeat the Process:
Step: Repeat the process of gradual stops followed by cooling periods.
Purpose: This repetitive cycle ensures that the friction material on the new drum brake linings is consistently and evenly deposited on the brake drums.
7. Complete the Bedding-In Process:
Step: Continue the bedding-in process until you notice a gradual improvement in braking responsiveness.
Purpose: The completion of the process establishes a well-seated layer of friction material on the RENAULT drum brake lining, optimizing their performance.
8. Avoid Hard Stops Initially:
Step: During the bedding-in process, avoid hard stops or emergency braking maneuvers.
Purpose: Hard stops can lead to uneven deposition of friction material and may compromise the effectiveness of the bedding-in process.
9. Monitor Brake Feel:
Step: Pay attention to the brake pedal feel and overall responsiveness.
Purpose: Monitoring the brake feel helps ensure that the linings are bedding in uniformly, and any irregularities can be addressed promptly.