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1. 发明授权

US08156850B2 Tailstock control device 有权
标题翻译：尾座控制装置
公开(公告)号：US08156850B2
公开(公告)日：2012-04-17
申请号：US12363274
申请日：2009-01-30
申请人： Yoshiichi Ichikawa , Takashi Nishimoto , Kazuhisa Niwa
发明人： Yoshiichi Ichikawa , Takashi Nishimoto , Kazuhisa Niwa
IPC分类号： B23B23/00 , B23B3/00
CPC分类号： B23B23/00 , B23Q15/08 , B23Q17/005 , G05B2219/41251 , G05B2219/42289 , Y10T82/2502 , Y10T82/2564
摘要： A tailstock control device supports an object to be machined by driving and controlling a servo motor which drives a driving system of a tailstock having a spring member in forward and backward directions, to cause a tailstock center connected to the tailstock to contact a center hole of the object to be machined. The tailstock control device comprises a limit torque value calculating unit which calculates, as a limit torque value (Tm), a drive torque value of the servo motor necessary for supporting the object to be machined, and a servo control unit which drives and controls the servo motor to attempt to move the tailstock at a tailstock movement velocity (Vs) which is set in advance, until an output torque value (Tr) of the servo motor reaches the limit torque value (Tm). The limit torque value (Tm) is calculated by subtracting, from the support thrust (Fa) necessary for supporting the object to be machined, an excessive thrust Fs which is calculated based on the tailstock movement velocity (Vs).
摘要翻译：尾架控制装置通过驱动和控制伺服电动机来支撑待加工物体，所述伺服电动机沿前后方向驱动具有弹簧构件的尾座的驱动系统，以使尾座中心连接到尾架以接触尾座的中心孔要加工的物体。尾架控制装置包括极限转矩值计算单元，其计算用于支撑待加工物体所需的伺服电动机的驱动转矩值作为极限转矩值（Tm），以及伺服控制单元，其驱动和控制伺服马达试图以预先设定的尾座移动速度（Vs）移动尾架，直到伺服电动机的输出转矩值（Tr）达到极限转矩值（Tm）为止。通过从支撑待加工物体所需的支撑推力（Fa）减去基于尾座移动速度（Vs）计算出的过大的推力Fs来计算极限转矩值（Tm）。

2. 发明申请

US20090199685A1 TAILSTOCK CONTROL DEVICE 有权
标题翻译：尾杆控制装置
公开(公告)号：US20090199685A1
公开(公告)日：2009-08-13
申请号：US12363274
申请日：2009-01-30
申请人： Yoshiichi Ichikawa , Takashi Nishimoto , Kazuhisa Niwa
发明人： Yoshiichi Ichikawa , Takashi Nishimoto , Kazuhisa Niwa
IPC分类号： B23B23/00
CPC分类号： B23B23/00 , B23Q15/08 , B23Q17/005 , G05B2219/41251 , G05B2219/42289 , Y10T82/2502 , Y10T82/2564
摘要： A tailstock control device supports an object to be machined by driving and controlling a servo motor which drives a driving system of a tailstock having a spring member in forward and backward directions, to cause a tailstock center connected to the tailstock to contact a center hole of the object to be machined. The tailstock control device comprises a limit torque value calculating unit which calculates, as a limit torque value (Tm), a drive torque value of the servo motor necessary for supporting the object to be machined, and a servo control unit which drives and controls the servo motor to attempt to move the tailstock at a tailstock movement velocity (Vs) which is set in advance, until an output torque value (Tr) of the servo motor reaches the limit torque value (Tm). The limit torque value (Tm) is calculated by subtracting, from the support thrust (Fa) necessary for supporting the object to be machined, an excessive thrust Fs which is calculated based on the tailstock movement velocity (Vs).
摘要翻译：尾架控制装置通过驱动和控制伺服电动机来支撑待加工物体，所述伺服电动机沿前后方向驱动具有弹簧构件的尾座的驱动系统，以使尾座中心连接到尾架以接触尾座的中心孔要加工的物体。尾架控制装置包括极限转矩值计算单元，其计算用于支撑待加工物体所需的伺服电动机的驱动转矩值作为极限转矩值（Tm），以及伺服控制单元，其驱动和控制伺服马达试图以预先设定的尾座移动速度（Vs）移动尾架，直到伺服电动机的输出转矩值（Tr）达到极限转矩值（Tm）为止。通过从支撑待加工物体所需的支撑推力（Fa）减去基于尾座移动速度（Vs）计算出的过大的推力Fs来计算极限转矩值（Tm）。

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