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以前,我矿修理潜孔钻机冲击器时,其接头或卡钎套的拆卸都是人工进行。这种方法效率低,劳动强度大。有时由于冲击器接头或长钎套与外缸螺纹拧得太紧,几天都拆不下来。为此试
In the past, when I was repairing a downhole drill impactor, the disassembly of the joint or the bushing was done manually. This method is inefficient and labor-intensive. Sometimes due to the impactor connector or long bushing and the outer cylinder screwed too tight, a few days can not be demolished. For this test