On the basis of improving cutting-toolangle and operating method, the machining efficiency is raised, the difficulties in processing inside whorl are also solved.
通过改进刀具角度及操作方法,提高了加工效率,解决了内螺纹加工的难点。
2
So, it is necessary to have a stabilized platform in the tool to obtain steady angle adjustable and independent to the rotation of drilling string.