Carbide tool shank for petroleum pipe internal threading 石油管内螺纹硬质合金刀杆
Discussion on the adjusting technology of clasp cast iron drainage pipe The said process for threading non-coupled end of coupled tubing has been proven practical. 浅谈卡箍式离心铸铁排水管安装工艺油管带接箍后另一端加工螺纹的工艺方案可行。
Revamping of CNC System for Oil Pipe End Threading Machine Tool 石油管加工数控系统改造