| 摘要 |
PURPOSE: To efficiently achieve the machining even when the machining contents are different by comparing the moving period of time for the movement between the prescribed positions and the total period of time of the moving period of time added by the time for changing the tools to obtain the shorter period of time. CONSTITUTION: At the machining position A, comparison is made between the movement to the next machining position B which is already determined and the movement to the machining position X to be added. Prior to the comparison, the moving period of time from the machining position A to the machining position B and the moving period of time from the machining position A to the machining position X are calculated. Then, the tool changing period of time to achieve the machining at the machining position X is added to the moving period of time from the machining position A to the machining position X. The moving period of time from the machining position A to the machining position B is compared with the period of time from the machining position A to the machining position X added by the tool changing time, and the smaller one, i.e., A→B is selected.
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