나사 가공시에는 공작물의 직경에 의한 회전수 변화가 생기면 나사의 피치가 일정하게 나오지 않습니다. The final set of figures is your infeed angle. I doubt your buttress thread has any sixty degree angle on it, so use the angle that the thread does have. In terms of I'm sure, you can https://josephn986amu9.plpwiki.com/user