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        ??中文 ??English??jhrope@jhrope.com Home Contact us

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        Matters needing attention during the operation of the sling

        1, "1+1=2" : the lifting capacity of one wire rope is 5 tons, and that of two wire ropes is 10 tons, which is totally incorrect. As the Angle between the plumb lines becomes larger, the force on the wire ropes increases substantially.


        2. Steel wire rope and chain are safe: some employees think that the safety coefficient of steel wire rope and chain is very high, and they will not be overloaded in general. Even if there are signs when the overloaded steel wire rope breaks, the premise of all these is that the hanger is intact. In the actual use, there will be different degrees of abrasion spreader. If the seriously worn spreader has the possibility of sudden breakage within the rated load range of the hoisting, the steel wire rope will also break without warning in the case of damage, so it should be checked and scrapped in time.


        3. The rated tonnage on the single plate hoisting clamp is one load, and two should be twice that, which is not entirely correct. Since the single board lifting clamp is used in pairs, the rated tonnage on the pliers of most manufacturers is a pair of loads, except for a few manufacturers. Therefore, please check the manual carefully before using.

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