普通车床由于长期使用,床鞍和床身导轨产生磨损,再经过刨、磨、或铲刮修复后,导致床鞍和溜板箱下沉,致使走刀箱、光杆、后托座三点不同心,纵行齿轮与床身齿条脱离,影响组装质量。为使床鞍和溜板箱回升到原来的正确位置,需测量出床鞍下沉量△值,以便根据△值进行补偿修复。 Ordinary lathe due to long-term use, the bed saddle and the bed rails wear, and then planing, grinding, or scraping scratch repair, resulting in the saddle and slide box sink, resulting in the knife box, polished rod, the back of the three different Heart, longitudinal gear and bed rack separated, affecting the assembly quality. In order to make the saddle and skateboard back to its original correct position, measure the value of the saddle sinking △ in order to compensate for the repair according to △ value.