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How disc brakes work

Update:06 Jul 2018

Disc brakes are also known as caliper disc brakes, also […]

Disc brakes are also known as caliper disc brakes, also known as disc brakes. At present, disc brakes are increasingly used in cars, light, trucks, luxury buses and heavy-duty trucks.

With the improvement of highway traffic conditions in China, the development of high-grade roads, the continuous improvement of vehicle performance and speed, people travel more quickly and comfortably. The disc brake can improve the active safety of the vehicle, and better solve the problems that the drum brake can not solve during the braking process, such as dust pollution, brake noise pollution, frequent maintenance, etc., and the application in the automobile will be more extensive. .

The working principle of the disc brake is mainly composed of a brake disc and a cylinder (compressed as a power source. The disc brake is a friction pair of the end surface of the rotating brake disc (metal disc), in which the bracket is fixed. Mounted on the brake block consisting of a friction pair (work block friction plate) and its metal base plate, these brake blocks and their tensioning devices are mounted in a clamping clamp bracket across the two sides of the brake disc, It is a brake caliper. The brake disc is made of alloy steel and fixed on the wheel and rotates with the wheel. The cylinder is fixed on the bottom plate of the brake. The two friction plates on the brake caliper are respectively mounted on the brake disc. On both sides, the cylinder (pressure action, pushing the friction plate to the brake disc to generate frictional braking, as if clamping the rotating plate with pliers, forcing the moving mechanism to stop moving. The main technical parameters are: rated braking torque Brake radius, brake disc outer diameter, brake disc thickness, inner brake lining radius, brake clearance, air chamber ram working stroke, axial displacement of piston rod, maximum stroke of gas chamber ram, friction lining Opening and closing force, brake lining roll thickness The total area of two brake linings, brake and brake efficiency Efficiency Factor