中山Collar

The collar is a type of lifting equipment. The tip of the collar should fit freely, with the tip truncated to half the depth of the groove.

1. The collar should be smooth and flat, without any cracks, blemishes, sharp edges and uneven surfaces that damage the wire rope. The tip of the collar should fit freely, with the tip truncated to half the depth of the groove.

2. The surface of the collar should be hot-dip galvanized, and the surface should be smooth and flat, and there should be no defects such as leakage plating, zinc particles, bubbles, cracks, etc. When applied, there should be sufficient adhesion strength.

3. The material of the collar can be A3 steel or 15, 35 high-quality carbon steel.

4. The safety load of the collar should not be lower than 32% of the minimum breaking force of the wire rope.

5. When using, the collar should be selected in accordance with the wire rope specification, and the diameter of the shaft pin used should not be less than twice the diameter of the wire rope.