我厂热处理工段有一台GC10100型立式通用感应淬火机床,一直使用正常,性能稳定:目前却出现了故障,表现为工作进给时,工件反其向而行之,即往上走。除此之外,其他动作均正常。 工作行程时,其液压原理图如图1 所示(省略了其他与之无关的油路),根据原理图我们首先怀疑换向阀和电气线路出了问题,经检查它们都正 I plant heat treatment section has a GC10100 vertical induction quenching machine has been using the normal, stable performance: At present there has been a failure, the performance of the work feed, the workpiece in the opposite direction, that is, go up. In addition, other actions are normal. Working schedule, the hydraulic schematic shown in Figure 1 (omitted other oil has nothing to do), according to the schematic we first suspect the valve and the electrical circuit out of the question, after checking that they are