Disc brake system
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Modern passenger vehicles are usually equipped with disc brakes on at least two wheels.
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Disc brake operation
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The disc brake system converts the hydraulic pressure generated at the master cylinder into a frictional clamping force against the rotating discs.
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Disc brake rotors
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The brake disc rotates with the road wheel. It provides a smooth surface against which to force the brake pads, to slow or stop the vehicle.
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Disc brake pads
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A disc brake pad has a rigid, molded, friction material bonded to a steel backing plate for support during brake application. It transforms the hydraulic force of the caliper into a frictional force against the disc.
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Disc brake calipers
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Disc brake calipers provide a housing for the hydraulic piston or pistons that force the brake pads into contact with the disc.
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Proportioning valves
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The proportioning valve divides up the braking effort applied to front and rear wheels under heavy braking, according to how load is distributed across a vehicle.
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Proportioning valve operation
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The proportioning valve adjusts the braking force applied to the wheels to allow for changes in load.
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