DF_4切管机的刀夹改制

Rebuilding tool heads of DF4 pipe cutter

详细阐述了将 DF_4管料切环自动车床改造成切铁路滚子自动车床所采用的各种措施,以及改进后的效果。

Some sorts of solution and method,as well as improved effect were proposed,concerning that DF_4 pipe cutter was rebuilt to the automatic lathe of cutting railroad roller.