MERCEDES-BENZ Drum Brake Lining Company

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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. MERCEDES-BENZ Brake Linings Manufacturers and Wholesale MERCEDES-BENZ Drum Brake Lining Company.

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 OEM MERCEDES-BENZ Brake Linings.

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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MERCEDES-BENZ Industry knowledge

How do drum brake linings differ from disc brake pads in terms of construction and function?
Drum brake linings and disc brake pads are crucial components in a vehicle's braking system, each with distinct characteristics in terms of construction and function.
Location: Situated inside the brake drum attached to the wheel.
Friction Material: Typically composed of a heat-resistant material, often reinforced with various fibers, bonded or riveted to a metal shoe.
Enclosed Design: Covered by the drum, protecting the linings from external elements.
Disc Brake Pads:
Location: Positioned inside a caliper system attached to the wheel, on either side of the brake disc.
Friction Material: Typically made of a composite material, including metal fibers and abrasive materials, bonded to a metal backing plate.
Exposed Design: Unlike drum brakes, disc brake pads are exposed to the surrounding air.
Drum Brake Linings:
Engagement: During braking, hydraulic pressure forces the brake shoes outward, causing the linings to contact the inner surface of the drum.
Friction Generation: Friction between the drum brake lining and the rotating drum creates the necessary force to decelerate the vehicle.
Heat Dissipation: The drum design aids in heat dissipation, preventing excessive temperatures during braking.
Disc Brake Pads:
Engagement: Hydraulic pressure squeezes the caliper, causing the brake pads to clamp onto both sides of the rotating disc simultaneously.
Friction Generation: Friction between the disc brake pads and the disc generates the stopping force required to slow down the vehicle.
Heat Dissipation: The exposed design of disc brakes allows for effective heat dissipation, reducing the risk of overheating during intense braking.
Advantages and Considerations:
Advantages: Typically cost-effective and less prone to damage from external elements.
Considerations: Limited heat dissipation may lead to reduced performance under heavy or prolonged braking.
Disc Brake Pads:
Advantages: Efficient heat dissipation, providing consistent braking performance in various conditions.
Considerations: May be more susceptible to wear from environmental factors due to the exposed design.

What are the common signs of wear and tear on drum brake linings that drivers should be aware of?
Regular inspection of drum brake linings is essential for maintaining optimal braking performance and ensuring vehicle safety. Drivers should be aware of common signs indicating wear and tear on drum brake linings to address issues promptly. 
Reduced Braking Efficiency:
Sign: Increased brake pedal travel or a noticeable decrease in braking responsiveness.
Implication: Worn drum brake linings result in reduced friction, leading to diminished braking efficiency.
Squeaking or Squealing Noises:
Sign: High-pitched noises during braking.
Implication: Brake shoes rubbing against worn linings can produce squeaking sounds, indicating the need for inspection and potential replacement.
Grinding Sounds:
Sign: Grinding or metal-on-metal noises during braking.
Implication: If the MERCEDES-BENZ Drum Brake Linings has worn down significantly, the metal backing of the shoe may come into contact with the brake drum, leading to potential damage and reduced braking effectiveness.
Vibration or Pulsation:
Sign: Vibrations or pulsations felt through the brake pedal during braking.
Implication: Uneven wear on the drum brake linings can result in an imbalanced braking force, causing vibrations and affecting vehicle control.
Uneven Wear on Brake Drums:
Sign: Irregular wear patterns visible on the inner surface of the brake drum.
Implication: Uneven wear on the drum brake linings may lead to corresponding wear on the brake drum, requiring attention to prevent further damage.
Visible Inspection of Brake Linings:
Sign: Inspection reveals thin or worn-out brake linings.
Implication: Visual inspection is a direct method to assess the condition of drum brake linings. If they appear excessively thin, replacement is likely necessary.
Brake Warning Light Activation:
Sign: The brake warning light on the dashboard illuminates.
Implication: Modern vehicles are equipped with sensors that can detect low brake lining thickness, triggering the warning light. Immediate attention is needed.
Burning Smell:
Sign: A burning or hot smell after driving, especially noticeable near the wheels.
Implication: Overheating due to excessive friction, often caused by worn drum brake linings, can lead to a burning smell and potential damage to other brake components.
Increased Brake Pedal Effort:
Sign: Requiring more force on the brake pedal to achieve the same level of braking.
Implication: Worn MERCEDES-BENZ Drum Brake Linings may necessitate increased pedal effort, indicating a decline in braking performance.
Brake Fluid Leaks:
Sign: Visible brake fluid leaks near the wheels.
Implication: Worn drum brake linings can lead to increased wear on wheel cylinders, causing fluid leaks that require immediate attention.