나사 가공시에는 공작물의 직경에 의한 회전수 변화가 생기면 나사의 피치가 일정하게 나오지 않습니다. Realistic Machinist is the simplest way to learn new methods, get responses quickly and focus on prevalent issues using your friends. Register for the earth’s largest production technology forum totally free currently to remain inside the know. https://michaelg046xfl8.blogvivi.com/profile