The difference between brake shoe, brake pad and brake drum

&The brake shoe is a kind of accessory which is pushed outward by the action of the brake cam or push rod to press the brake drum. Its shape is like a half moon.
&Brake pads are also called brake pads. In the automobile brake system, the brake pad is the most important safety part. The brake pad plays a decisive role in all braking effects. Therefore, a good brake pad is the God of protection for people and cars.
&Brake lining is generally composed of steel plate, adhesive insulation layer and friction block. The steel plate should be coated to prevent rust. In the coating process, smt-4 furnace temperature tracker is used to detect the temperature distribution in the coating process to ensure the quality. The thermal insulation layer is composed of materials that do not heat transfer, with the purpose of heat insulation. The friction block is composed of friction material and adhesive. When braking, it is squeezed on the brake disc or brake drum to produce friction, so as to achieve the purpose of vehicle deceleration and braking. As a result of friction, the friction block will be gradually worn, generally speaking, the lower the cost of the brake pad wear faster.
&The brake drum is a kind of iron casting with the shape similar to a tambourine. It is fixed with the tire and rotates at the same speed. When braking, the oil pressure is used to push the brake shoes to contact the inner edge of the brake drum, and the friction force generated by the contact can restrain the rotation of the tire to achieve the purpose of braking. Drum brake is composed of brake base plate, brake wheel cylinder, brake shoe and other related connecting rod, spring, pin and brake drum. At present, it is only commonly used in rear wheels. Drum brake is widely used in the rear wheels of small cars because of its lower cost and higher absolute braking force. But its wear rate is high, so the overall cost is high.