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Testing Of Shackle Mar 05, 2016

1, should be smooth, without defects such as cracks, sharp edges and burning, to review the suspicious areas available means of magnifying glass.

2, shackle to twice times the safe load test as a test load. Shaft without permanent deformation after loosen and can turn freely. Buckle length increase of the size of not more than O.25% or O.5mm.

3, shackle sample reliability test. Test load load is twice times. Shackle must not break or shackles of loss of bearing capacity and deformation.

Active safe load shackles are 4, m (4) approved level (table 3).

5, the buckle should be marked on the body strength level, the safe load marking.