heavy duty slew ring bearing for crane
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Per slewing drives we design and produce, the leading angle of worm is smaller than equivalent angle of friction. The mechanism has the character of self-locking, which can enable the reverse self-locking, that is, worm gear only turn the worm, while the
Per slewing drives we design and produce, the leading angle of worm is smaller than equivalent angle of friction. The mechanism has the character of self-locking, which can enable the reverse self locking, that is, worm gear only turn the worm, while the worm can't turn worm gear. This product is spread widely in the equipment of hoists, tower cranes, lifting equipments etc. Even if motive power fails, which can also avoid the accident caused by heavy weights dropping.
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