How to check the quality of lifting chain
Check the lifting chain, first of all to check whether the lifting chain deformation, whether there are small cracks, rust and so on. A qualified lifting chain has no defects affecting the appearance. In order to check the lifting chain manufacturing details, we can check from the welding of the lifting chain wrapping paper. Wrapping paper extends a circle from the chain lifting chain, touching the lifting chain is smooth, no burrs, scratches, etc., this is a qualified lifting chain. When used, there is no abnormal sound or vibration. Selected for high quality lever lifting chain all made of high quality alloy steel. However, some small lifting chain manufacturers or informal businesses of rough workmanship or materials
2020
11-06
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