Factory Price Truck Auto Brake System Brake Drum for Hino Mitsubishi Volvo

Factory Price Truck Auto Brake System Brake Drum for HINO MITSUBISHI VOLVO   Product DescriptionFeatures:1. Connect hubs solidly to shafts2. Easy installation and disassembly3. High torque transmission4. Long lifetime and easy maintenance5. Low notching effect6. Reduction of wear and tear of expensive machine componentsWhat is the Brake drum: The brake drum is a type of cast iron shaped like a tambourine, which is fixed with the tire and rotates at the same speed. When braking, apply oil pressure to push the brake shoes to contact the brake drum inner rim, we can control the rotation of the wheel to achieve the purpose of braking by the friction force comes from contact.Structure of drum brakesDrum brakes are a brake system with brake drums (rotor) which rotate with the wheels. Inside each drum arebrake shoes fitted with brake linings (friction material). Pistons (pressure mechanism) press against the drumsfrom the inside to generate braking force, thus making is possible to decelerate and stop the vehicle.Specification: Standard:EN ,SAE ,GBQuality StandardOEMMeterial GradeGG 25 ,HT 250 Chemical compositionC: 3.5-3.7 Si: 1.5-2.1% Mn: 0.6-0.9%P: