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Standard Brake Chamber
Product Information The standard brake chamber is an important part of the automobile brake system for storing compressed air and providing power to the brake system. It is usually composed of a shell, diaphragm, push rod and other parts, which can transfer enough air pressure to the brake according to the need, so as to achieve effective braking of the vehicle.
Features
The standard brake chamber is an important part of the automobile brake system for storing compressed air and providing power to the brake system. It is usually composed of a shell, diaphragm, push rod and other parts, which can transfer enough air pressure to the brake according to the need, so as to achieve effective braking of the vehicle.
1.A standard brake chamber usually consists of the following main components:
Shell: divided into the front cover (connected with the push rod) and the back cover (connected with the brake mechanism), usually made of steel plate stamping or cast iron, with pressure resistance.
Diaphragm (or piston) : rubber diaphragm (diaphragm type) or metal piston (piston type), which produces displacement after pressure and pushes the push rod.
Push rod: Transfers diaphragm/piston displacement to a brake mechanism (such as a camshaft or brake arm).
Return spring: When the brake is released, the diaphragm/piston and push rod are reset.
Air inlet: connected to the brake line to receive compressed air.
Dust cover: Protects internal components from dust and moisture.
2.type
Diaphragm brake chamber:
Simple structure, low cost, suitable for medium and light vehicles.
The rubber diaphragm is easy to age and needs to be replaced regularly.
Piston brake chamber:
Strong durability, greater thrust, often used in heavy commercial vehicles or construction machinery.
High sealing requirements and high manufacturing costs.
3.Technical parameter
Effective area: Common 20, 24, 30 square inches, etc., determine the output thrust size (thrust = air pressure × effective area).
Stroke: The maximum displacement of the push rod (usually 50-100mm), which needs to be matched with the brake.
Working pressure: standard range 0.6-1.0MPa (about 6-10bar).
4. Application scenario
Commercial vehicles: pneumatic braking systems for trucks, buses and trailers.
Construction machinery: loaders, cranes and other heavy equipment.
Rail transit: auxiliary braking system for some rail vehicles.
5. Maintenance and faults
Common faults:
Diaphragm rupture (air leakage resulting in insufficient braking force).
The push rod is rusted and stuck.
Spring break (reset failure).
Maintenance points:
Periodically check diaphragm/piston tightness.
Lubricate push rod and moving parts.
Drainage: To prevent the accumulation of water in the gas path from freezing (special attention should be paid in winter).
6. Standards and certification
Industry standards (e.g. GB/T 5620-2008 Automotive Brake Chamber Performance Requirements or SAE J1469) are required.
Pass durability, tightness, corrosion resistance and other tests.
Working principle
The working principle of the standard brake chamber is based on the principle of air compression. When the driver presses down on the brake pedal, the braking system sends compressed air through a pipe to the brake chamber. As the air pressure increases, the diaphragm will move under pressure and push the rod forward. The movement of the push rod acts on the brake, causing the brake to produce braking torque, so as to realize the effective braking of the vehicle.
Product advantage
Technology development and process innovation
Leading manufacturers have mature brake chamber design patents (such as diaphragm/piston structure optimization), and ensure product reliability through CAE simulation and bench testing;
High strength aluminum alloy or engineering plastic material, both lightweight and corrosion resistance, suitable for extreme working conditions (such as -40℃ to 120℃ environment).
01
Strict quality control system
Through ISO/TS 16949 and other automotive industry certification, the whole process of quality inspection (from raw materials to finished products) to ensure air tightness and durability (life of more than 500,000 trips);
Key indicators (such as push rod output force, response time) meet GB/T or ECE R13 standards, matching ABS/ESC system requirements.
02
Scale production and cost advantage
Automated production line to achieve annual production capacity of millions of pieces, reduce the cost of a single piece;
The modular design is compatible with multiple vehicle platforms (such as heavy trucks, buses, trailers), reducing customer procurement complexity.
03
After-sales network and quick response capability
Reduce vehicle downtime by providing OEM experience and fault diagnosis support.
04
About us
We are a manufacturer of trailer axles, suspension and related parts. We also supply German type axle, American type axle and other accessories
We have our own factory, do not have to worry about the problem of short stock, we can also customize and produce according to your requirements.
Cangzhou Saixin Trading Co., Ltd. is located in Hebei Province, China's trailer production base.
We are professional in the design and manufacture of semi-trailer parts, our company offers a variety of products that can meet your various needs. Since the establishment of the company, we adhere to the management principle of "quality first, customer first, credit-based", and always try our best to meet the potential needs of customers.
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