Brake drum: A key component for automotive safety. The brake drum, also known as the brake drum, is an important component of the automotive braking system.Its main function is to convert the vehicle's kinetic energy into heat energy through friction when the driver steps on the brake, thereby achieving the purpose of deceleration and parking.The performance of brake drums directly affects the driving safety of cars, so their importance cannot be ignored.首先,Brake drum的功能和特点