casing coupling

基本解释

The program is to process all kinds of oil well pipe thread and casing coupling.
该项目是加工各类油井管螺纹、套管接箍的机械加工项目。
The female casing coupling is deformed to make up improperly, due to the big size of casing, deep setting depth and heavy hanging load.
由于套管尺寸大、下入深、悬重大，引起母接箍变形，上扣不到位；
Described here in the paper are the processing technology of high-strength, large-sized casing coupling, and the methods used to measure coupling deformation;
简介了高强度、大口径石油套管接箍机械加工工艺，以及测量接箍变形的方法；