| 摘要 |
<p>PCT No. PCT/JP84/00138 Sec. 371 Date Dec. 24, 1984 Sec. 102(e) Date Dec. 24, 1984 PCT Filed Mar. 27, 1984 PCT Pub. No. WO84/04407 PCT Pub. Date Nov. 8, 1984.A blank profile specifying method in automatic programming for lathes has a step of specifying a finished profile (1), a step of entering a maximum length (Lm) and a maximum diameter (Fm) of a blank profile (2), a step of obtaining the maximum length (Lt) and the maximum diameter (Ft) of the finished profile from entered finished profile data, a step of calculating an uncut thickness (tz) longitudinally of the blank and an uncut thickness (tx) diametrically of the blank by using Lm, Lt, Fm, Ft, a step of obtaining the blank profile (2) by enlarging the finished profile by the uncut thicknesses in the respective directions, and displaying the blank profile and the finished profile, a step of entering position data indicative of inflection points (P1, P2 . . . P5) of an actual blank profile, and a step of storing the entered position data indicative of the inflection points and modifying the display of the blank profile by using the position data.</p> |
