CONTROL METHOD OF NC MACHINE TOOL HAVING INDEX TABLE AND NC MACHINE TOOL

摘要

PROBLEM TO BE SOLVED: To provide an NC machine tool having an index table reduced in the index cycle time. SOLUTION: The NC machine tool 1 has an index table 30 for indexing the rotating direction position of a work and positioning the work. The NC machine tool includes control means 10, 20 for controlling the operations other than the rotation of the index table 30 such as the operation of moving a spindle or a work during the operation of unclamping or clamping the index table 30. COPYRIGHT: (C)2006,JPO&NCIPI