一、用途车钩钩舌在检修时要对磨偏了的孔进行扩孔、镶套处理。过去采用锤击的方法,劳动强度大,质量低,有时还会出废品造成返工。为了解决上述问题,我们制造了一台手提式液压镶套机(图1)。经过使用,效果良 First, the use of the coupler Knuckle overhaul the grinding hole in the repair of reaming, inlay treatment. Hammer past the use of methods, labor-intensive, low quality, and sometimes waste will result in rework. In order to solve the above problem, we have manufactured a portable hydraulic setting machine (Figure 1). After use, the effect is good