Numerically controlled machine tool

摘要

PCT No. PCT/JP96/00446 Sec. 371 Date Feb. 9, 1998 Sec. 102(e) Date Feb. 9, 1998 PCT Filed Feb. 27, 1996 PCT Pub. No. WO97/31750 PCT Pub. Date Sep. 4, 1997It is the object of the invention to correct a quadrantal protuberance depending on machining conditions, to improve a machining efficiency, and to improve the accuracy of a machining operation. A numerically controlled machine tool is provided with quadrantal protuberance correction storage means (301a and 301b) that stores a plurality of sets of the amount of quadrantal protuberance correction.