| 摘要 |
PURPOSE:To prevent continuous machining for long time with improper tool, in machine tool at machining center or the like by controlling to replace with a spare tool immediately upon reaching to predetermined service life. CONSTITUTION:Upon decision through abnormal signal deciding section 9 that the abnormality of tool is due to extinction of service life, the tool life management/control section 17 will command the execution control section 7 to continue machining of work and finish thus to prevent interruption. If there is a spare tool in the tool data file 10, the control section 17 will command to finish the machining sequence under execution. Upon finish of machining, the control section 17 will command the execution control section 7 to perform transferring motion of tool to replacing position. Then said tool is replaced with a spare tool to execute said sequence again from the start. |
