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Mobile gantry crane wire rope scrap standards

Nov 21, 2017
The mobile gantry cranes are usually used at outdoor, because of the outdoor environment, the mobile gantry crane parts will go through more corrosion, should pay attention to their maintenance. Now, let talk about the wire rope scrap standard.
 
In order to ensure the safety of mobile gantry cranes lifting work and avoid hanging slings and lifting heavy objects falling to ground, causing equipment damage and casualties because of the sudden rupture of wire rope, please strict carry out "Lifting Machinery Safety Regulations" scrapped wire rope standards, timely replace the wire rope which reach the scrapped standard.
 
Wire rope scrap standards as follows:
If the mobile gantry cranes wire rope diameter wear greater than 40% of the original specifications, should replace, if less than 40%, according to the number of broken wire to assess whether the wire rope to meet the scrap standards.
 
In a Wire rope twist length, the number of broken wire reach 10% of the total number, it should be scrapped. for example, the wire rope is 6 * 37 type, the total number of wires is 222, when the broken wire reach 22, it should be scrapped and replaced. If the wire rope is coarse and thin wire mixed, when calculate the broken wire, the thick wire should be taken as a 1.7.
 
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