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Summarize the conditions for the scrapping of chain hoist accessories

Views:1     Author:Site Editor     Publish Time: 2021-03-26      Origin:Site

The chain hoist is a simple to use and easy to carry manual hoisting machine, suitable for short-distance hoisting of small equipment and goods. Some of the accessories of the chain hoist are wearing parts, which need to be replaced after a long time of use, so whatever needs to be scrapped must comply with relevant standards.

Hook: Section wear exceeds 10% of the nominal size; cracks; plastic deformation of the dangerous section or neck; 15% increase in the size of the hook exceeds the nominal size; torsion deformation exceeds 10°.

Lifting chain: chain link diameter wear exceeds 10% of the nominal size; 11 link pitch elongation exceeds 3%, link pitch elongation exceeds 5%; cracks or other harmful defects.

Gear: The wear of the tooth thickness exceeds 10% of the nominal size; cracks; broken teeth. ; Friction plate wear exceeds the nominal size by 25%; the sprocket groove size wear increase exceeds the nominal size by 10%; the gap between the shaft and the bearing is increased by 15% beyond the nominal size; ratchet pawl and spring are severely worn Or corrosion.

Vohoboo manual chain hoist (13)

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