The brakes are applied in the mechanisms where the relatively smooth increase of the braking torque is required. The braking torque incremental degree is adjustable when a thrustor with delay valves is used. The thrustor is a hydraulic actuator supplied from the pumps driven with a squirrel-cage motor. In motor operation, the rotor of the pump forcing oil under the motor piston is driven, thus moving the piston upward and releasing the brake. When the motor stops (no supply voltage), the piston is moved downward (due to the compressed spring installed in the release) and the brake is braked The ATZ brakes are intended for continuous and intermittent operation.
Braking moment: 200-3000 Nm /basic range/
Brake disc diameter: 320-630 mm /basic range/
Types:
ATZ - standard
ATG - for mining (brake designed for underground work in mine excavations)
