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Shackle test?
Feb 20, 2017

Shackle test?
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. 300 tons for twice times the safe load test as a test load, more than 300 tons of 1.33 times times the safe load test as a test load.
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) for approval.
5, the buckle should be marked on the body strength level, the safe load marking.







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