在车床修理时,由于床身与床鞍导轨的使用磨损,经磨(刮)削恢复精度以后,使床鞍下沉。这样,便带来了两个后果:第一,与床鞍相联的溜板箱也随着床鞍的下沉而相应下沉,使溜板箱上安装丝杠、光杆和操纵杆的孔的中心产生偏移下沉,影响对合螺母的开合和光杆、操纵杆的正常传 When the lathe is repaired, the saddle sinks due to the wear of the bed and the saddle rail. After the grinding (scraping) recovery accuracy is restored, the saddle sinks. In this way, there are two consequences: First, the stroller box associated with the saddle also sinks as the saddle sinks, allowing the slide box to be fitted with holes for leadscrews, polished rods, and joysticks The center of the offset sink, affecting the opening and closing of the nut and polished rod, the normal transmission rod