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Why roll on both sides of the wire rope hoist should be kept more than three laps?

Автор: Мужские | Дата: 26-11-2014 в 09:53 | Просмотров: 138 | Комментариев: 0



Why roll on both sides of the wire rope hoist should be kept more than three laps?
When the crane hook to the lowest position, and why both sides of the wire rope reel should retain more than three laps?
Since the end of the rope is fixed by the plate on the drum, hanging objects to prevent excessive tension wire rope drawn from the lower platen or pull off the plate screws fall accidents occur, the general requirements on both sides of the rope reel should be retained at least 3 laps , so as to ensure between the rope and the drum produces a larger frictional force, thereby reducing the tension plate.
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