ZH-1 BRAKE CALLIPER
The braking torque is caused by springs placed in a hydraulic cylinder. After forcing the hydraulic oil under pressure, the springs are compressed and the brake's arms are drawn aside, enabling unrestrained rotation of the brake disc.
ZH-3 BRAKE CALLIPER
ZH-1 brake calliper equipped with the hydraulic lining wear compensation system.
ZH-2M BRAKE CALLIPER
The braking torque is caused by the assembly of disc springs placed in the hydraulic cylinder. After forcing the hydraulic oil under pressure, the springs are compressed and the piston and the movable shoe are shifted, and the springs inbuilt in the case cause the movement of the whole case in such a way, that an air gap appears between the two shoes with friction lining and the brake disc. The calliper's case is fixed with two screws to a vertical surface. Cases fixed to a horizontal surface are also available.
ZHA ACTIVE BRAKE CALLIPER
The braking torque is caused by forcing hydraulic oil under pressure to cylinders being part of callipers and by changing its pressure it is possible to adjust the force and braking torque. When the oil pressure decreases, shoes are drawn aside under the influence of the inbuilt return springs, thus enabling unrestrained rotation of the brake disc.
ZHR MANUAL BRAKE CALLIPER
Braking moment is caused mechanically by turning the crank. It causes the shoes to clamp on the brake disc. It is used to block the already immobile drive system or to strain the chain.
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