The front lock cylinder is provided with double-row pin tumblers with V-shaped grooves symmetrically along the axis.
前锁芯上沿轴线对称设有带V形凹槽的双排弹子；
The problems in lock nut of roll axis and sleeve of precision rolling mill are analyzed, some measures proposed, good result got.
针对高速线材生产中，精轧机辊轴及隔套锁紧螺母存在的问题进行分析，提出了改进措施，取得了较好效果。
应用推荐