Is the disk brake the real hero?Can use drum brakes for trucks

Whether it is a commercial vehicle or a passenger car,the braking method is a part that users have to consider when purchasing.Regarding whether the disc brakes were better or better,the debate over whether the brakes were overbearing or not was never stopped.
Some netizens are quite adept at preaching the main performance of the air disc brake over traditional drum brakes.Actually,this is not absolute,and it needs to be viewed rationally.

In this article,we will discuss what advantages each has and why most trucks use drum brakes.

There is the principle difference<br><br>drums,brake disc two kinds of techniques are born in the late 19th century,strictly speaking,drum brake disc than a few years ago,but the working principles of the two brake mode is completely different.

Drum brake principle:

The drum brake is simply composed of a brake oil pump,a piston,a brake pad and a tympanum.When the brake is applied,the high-pressure brake fluid of the brake cylinder pushes the piston to apply force to the two half-moon brake shoes.The inner wall of the drum is pressed against the friction drum to prevent the brake drum from rotating to achieve a braking effect.