Brakes hold loads on cranes, hoists and conveyors. They are safety components whose linings wear regularly and must be replaced in time.
The common designs
Spring-applied brakes are closed by spring force and released electromagnetically. If the power fails, they brake automatically. They are often mounted directly on the motor. Drum and disc brakes with a thruster are common on cranes and large drives.
Wear parts are linings, friction discs and, on electro-hydraulic thrusters, also seals and oil. For the replacement, braking torque, size, thruster voltage, lining dimensions and the lining material approved by the maker matter, because a different friction value changes the braking torque. After changing the linings, reset the air gap and check the braking effect.
What a request for brake parts should contain
- nameplate of the brake or thruster
- braking torque and size
- lining material
- voltage of the magnet or thruster
- parts needed: linings, friction disc, thruster
- quantity and requested delivery date
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