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High-frequency processing, jaw hardness between 38-45
Salt spray test up to 500 hours
Assembly OE matching
Advanced production testing equipment, and product accuracy guarantee.
Brake shoe assembly refers to the process of putting together the components of a brake shoe, which is an integral part of the braking system in vehicles. Brake shoes are used in drum brake systems to create friction against the brake drum, thereby slowing down or stopping the vehicle.

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. Brake Shoe Assembly Manufacturers and OEM Brake Shoes Factory.

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 Wholesale Brake Shoe Replacement.

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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Brake shoe assembly Industry knowledge

Can Brake shoe assembly work stably in humid and rainy conditions?
Brake shoe assemblies, which are typically used in drum brake systems, can work reasonably well in humid and rainy conditions. However, it's essential to understand the factors that can affect their performance and take appropriate precautions. Here's what you need to know:
Materials and Design: The materials used in brake shoe assemblies are designed to provide reliable friction even in wet conditions. The friction material is typically formulated to offer consistent stopping power whether the brakes are dry or wet.
Water Displacement: Drum brakes, in general, tend to be less susceptible to water-related issues compared to disc brakes. The enclosed nature of drum brakes helps prevent water from directly contacting the friction surface during light rain or humidity.
Drying Effect: In drum brake systems, the drum itself can act as a shield, protecting the brake shoes from direct contact with water. The centrifugal force generated when the brake drum rotates can help sling water away from the friction surfaces, allowing for effective braking once the shoes contact the drum.
Regular Maintenance: Proper maintenance, including regular inspection and adjustment of the brake shoe assemblies, is essential to ensure that the shoes make proper contact with the drum and that any water or debris is not causing issues.
Brake Fade: In heavy rain or after driving through deep water, it's possible for the friction material to absorb water temporarily, leading to reduced braking performance until the water is expelled. This is known as "brake fade." It's essential to drive cautiously in such conditions and allow the brakes to dry by applying them gently a few times to regain full braking power.
Anti-Rust and Corrosion: Brake shoe assemblies are also susceptible to rust and corrosion over time, especially in humid or wet conditions. Regular inspection and maintenance can help prevent rust-related issues.
While brake shoe assemblies can work stably in humid and rainy conditions, it's important to exercise caution and adapt your driving style when road surfaces are wet. Allow for longer braking distances, avoid sudden or hard braking, and use the brakes gently to help clear water from the friction surfaces. In extreme conditions, such as heavy rain or flooding, it's crucial to prioritize safety, reduce speed, and exercise extra caution.

What ingredients are used to make the friction material on the Brake shoe assembly?
The friction material used on brake shoe assemblies is a critical component responsible for creating the necessary friction between the brake shoes and the drum to slow down or stop a vehicle. The specific composition of the friction material can vary depending on the type and manufacturer of the brake shoes. However, the materials used in friction material formulations commonly include:
Organic Materials: Organic brake shoe linings, also known as non-asbestos organic (NAO) linings, often consist of organic materials like rubber, resins, and natural fibers. These materials are bonded together with fillers and modifiers to create the friction material. Organic linings are known for their quiet operation and gentle braking characteristics.
Semi-Metallic Compounds: Semi-metallic brake linings incorporate a combination of organic materials and metallic additives, such as steel fibers, copper, and other metals. These materials improve heat dissipation and provide better performance under high-stress conditions. Semi-metallic linings offer excellent stopping power but can be noisier and generate more dust compared to organic linings.
Ceramic Compounds: Ceramic brake linings use ceramic materials, such as ceramic fibers and particles, to create the friction material. Ceramic linings are known for their low noise, low dust, and excellent heat resistance. They provide consistent and reliable braking performance under various conditions, making them a popular choice for many modern vehicles.
Carbon-Ceramic Compounds: Some high-performance and luxury vehicles use carbon-ceramic brake linings. These linings combine carbon and ceramic materials to provide outstanding braking performance, especially under high-temperature conditions. Carbon-ceramic linings offer excellent heat dissipation and durability.
Asbestos (historical): In the past, asbestos was used in some brake linings because of its heat resistance and friction qualities. However, due to health concerns related to asbestos exposure, it has been largely phased out, and modern brake linings are asbestos-free.
The choice of friction material depends on various factors, including the type of vehicle, its intended use, and the driver's preferences. Different materials offer varying levels of performance, noise, dust generation, and wear characteristics.