Crane parts

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Crane parts

Crane parts in the more durable parts of the drum, the rope with the most easy to wear grooves. Do something, Caigang watts equipment more relaxed in the trench; after lifting wire rope tension wire rope has relative sliding in the groove, if the lubrication is not good, will cause rapid wear of drum slot. In addition, the ridges of the drum, resulting in winding friction because of deflection, the sharpening groove peak until smooth. When the trench is worn to the point where the wire rope can not be controlled in an orderly arrangement in the groove, it often means a new drum. Some drum after wear, revealing the inherent defects of the original cast, single hole or trachoma diameter of not more than 8mm, the depth is less than the nominal wall thickness of 20% 100mm in each length of not more than one, the total number of all machining on the surface of the drum in no more than 5, can not continue to use the welding. Clean up the defects after, their size are listed in table 2.6 are within the range of allowed welding, but the same section and the length of 100mm in no more than two, after welding without heat treatment, grinding wheel only need polishing welding at the line.

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