To counter some problems about bad universal use and making difficultly belong to semi-automatic-cutter lathe for pressing bearing, wear position of renewals was improved.
针对加工轴承用多刀半动车床工装通用性差、制造困难等问题，对工装各更换件易损部分进行了改进。
2
C7620-11 semi-automatic chuck multicut lathe was reformed into a kind of simple constructed NC machine, so that the variety of process was increased , and automation degree was also improved.