What is the difference between caliper and brake block?

The difference between caliper and brake block can be summarized as follows: In a braking sequence, the brake block is pressed onto the brake disc or brake drum to generate friction that decelerates the car, whereas the caliper holds the brake disc tightly to decelerate or stop the car.
Since brake caliper and brake block are terminal actuators in the braking system, proper retrofit of these two parts can lead to immediate improvement of braking force.

Retrofit of brake caliper: Changing an existing brake caliper into a larger multi-piston one can improve braking performance directly. A larger brake caliper means larger total area of the matching brake block. The increase in the number of brake caliper pistons leads to more even pressure on the brake block and heat generated during friction and larger total area of pistons, which all contribute to more efficient braking.

Retrofit with high-performance brake block: Friction force is the most critical factor for a brake block. High-performance brake blocks mostly use metal (cast iron, aluminum alloy) and carbon fiber as main materials. Brake blocks should be carefully selected by considering their component materials, as their performance relies heavily on material properties. Some car owners choose brake blocks designed specifically for race cars, but the braking performance of their cars may become even worse after retrofit. This is because brake blocks have their respective design temperature ranges. Since in no case can a regular car reach the high braking temperature of race cars, the brake blocks designed for race cars don’t provide intended high-temperature braking force, and are therefore less effective.

What is the difference between caliper and brake block?
What is the difference between caliper and brake block?

Name: electronic brake caliper/rear left

Reference OE number: 8E0615424

Series: new product

Brand: vika

Applicable models:

Skoda: SUP02-08

VW: PA97-05

Audi: A4 95-01/A6 98-05/A6Q02-05

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