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最近,我厂一车间在外协作业中需加工一个长1090mm、直径100mm的圆柱通孔。按工艺要求,后道工序为磨削加工,因孔深太长,目前我厂现有内圆磨床无法加工该产品。有关人员提出用车床代替内圆磨床进行加工,经试加工产品质量完全符合图纸要求。但在加工过程中,操作工人需要反复启停和倒、顺车,方能使工件往复运动(工件装在刀架溜板箱上),不但操作麻烦、工效低且不安全。如果将车床原控制线路
Recently, I workshop in a workshop in the need to process a long 1090mm, diameter 100mm cylindrical through-hole. According to process requirements, after the procedure for the grinding process, because the hole too long, I plant the existing internal grinder can not process the product. Relevant personnel proposed lathe instead of internal grinder for processing, the quality of the processed products fully comply with the drawings. However, in the process of machining, the workers need to start and stop repeatedly and smoothly, so that the workpiece can be reciprocated (the workpiece is mounted on the carriage of the tool holder), which not only causes troublesome operation but also low work efficiency and insecurity. If the lathe original control circuit