d = 直徑-mm, d = 直徑-inch. S = 刀具轉速-r.p.m., S = 刀具轉速-r.p.m.. Vc = 切削速度-m/min. SFM = Surface Speed-ft./min. Vc (m/min.) x 3.28.
確定! 回上一頁