发明名称 MOTOR CONTROL DEVICE FOR IMPLEMENTING POWER FAILURE PROTECTION OF MACHINE TOOL
摘要 A control device for a machine tool including a feed shaft motor for driving a feed shaft and a main shaft motor for driving a main shaft is provided with: a determination unit determining whether an operation of the feed shaft motor satisfies a predetermined determination condition; and an excitation command unit outputting an excitation current command to output excitation current larger than excitation current instructed by a master control unit to the main shaft motor, when the determination unit determines that the predetermined determination condition is satisfied.
申请公布号 US2015021060(A1) 申请公布日期 2015.01.22
申请号 US201414332804 申请日期 2014.07.16
申请人 FANUC CORPORATION 发明人 TAJIMA Daisuke
分类号 B23Q15/013;B23Q5/28;B23Q5/10;B23Q15/08;B23Q5/58 主分类号 B23Q15/013
代理机构 代理人
主权项 1. A control device for a machine tool including a feed shaft motor for driving a feed shaft and a main shaft motor for driving a main shaft, the control device comprising: a determination unit determining whether an operation of the feed shaft motor satisfies a predetermined determination condition; and an excitation command unit outputting an excitation current command to output excitation current larger than excitation current instructed by a master control unit to the main shaft motor, when the determination unit determines that the predetermined determination condition is satisfied.
地址 Yamanashi JP