What is the difference between the wheel hub and the brake drum?
Jun 09,2025
In terms of classification, it can be roughly divided into two types: paint and electroplating.
Wheels: Wheels, also known as rims, tire bells, and wheels, are metal parts that support the shape of the tire in a barrel shape and are centered on the shaft. The wheels are divided into many different types according to the length of the diameter, the different widths, the different molding methods, and the different materials used. Different types.
In terms of classification, it can be roughly divided into two types: paint and electroplating. The main consideration for ordinary models in the choice of wheels is whether the heat dissipation is good, and the appearance is not very important. The process basically adopts paint treatment, that is, first spraying and then electric baking, the cost is relatively economical, the color is beautiful, and the retention time is long.
Brake drum: The brake drum is the friction coupling of the drum brake in the drum brake system. It has a high and stable coefficient of friction, appropriate wear resistance, heat resistance, heat dissipation and heat capacity, etc., relatively high strength and stiffness, but it will become brittle after aging.
The brake drum is an important part of the drum brake, and the function of the brake disc in the disc brake is similar.When braking, the piston exerts pressure on the two pairs of semi-lunar brake shoes to tighten the inner wall of the tympanum, causing friction to stop the rotation of the wheel.
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