Grooves drum needs certain working conditions.

one of the most important conditions of these conditions is the fleet angle of the wire rope, which is the fleet angle between the wire rope and the first fixed pulley, generally speaking, this angle should not be greater than 1.5 ° and should not be less than 0.25°. the optimum deflection angle also depends on the load, the rope structure and the lifting speed. for lebus grooves drum, If the fleet angle is more than the recommended range, can be compensated by the angle compensator.

Generally ,wire rope pulled more tight, winding the better.