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HABB spring engaged pneumatic shaft brake automatic production line
HABB spring engaged pneumatic shaft brake automatic production line
HABB spring engaged pneumatic shaft brake is controlled by springs. So it is locked by springs, and released after inputting air source. Its working thoery is opposite with NAB pneumatic brake.

HABB spring engaged pneumatic shaft brake is also called safety brake, exhausting air pressure, brake is braked by springs, supplying air pressure, brake is released. It is suitable for preventing accident and emergency braking. HABB model air brake is linked by springs, and released by air pressure. If supply air pressure from flow control valve, cylinder will be move, pan head screw and piston rack rotating together, compressing braking springs, friction plate and bushing disc separated, brake released. If exhausting air pressure, springs compress piston rack, friction plate touched with bushing disc, brake linked.
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