Kadena is a kind of sling, which is widely used in various industries such as electric power, metallurgy, petroleum, machinery, railway, chemical industry, port, mining, construction and so on. Kadenas are the same as other slings. They have their own set of application and invalidation specifications. Note for the use of kadenas: The kadenas must correctly support the load.
Iyon ay, ang puwersa ng epekto ay dapat na kasama ng axis ng centerline ng kadena upang maiwasan ang baluktot at hindi matatag na mga pag-load, hindi pa mailakip ang labis na karga. Ang paggamit at pagwawalang bisa ngkadena should be rolled flexibly in the lifting hole, and no jamming is allowed. Phenomenon: The kadena body must not bear the effect of lateral bending moment, that is, the effect bearing capacity should be in the plane of the body.

Ang maximum na kasamang anggulo sa pagitan ng dalawang leg rigging na dala ngkadena cannot be greater than 120 degrees. The use and invalidation of kadenas The kadena is that when the wire rope sling is used as a binding sling, the horizontal pin part of the kadena should be connected with the keyhole of the wire rope sling. The appearance is when the rigging is lifted.

Ang salungatan sa pagitan ng lubid ng kawad at ngkadena causes the kadena to roll, and there is a risk of detachment. The use and invalidation specifications of the kadena. The pin is deformed up to 5% of the original size; the bolt is necrotic or slippery.