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公开(公告)号：EP0383947A1
公开(公告)日：1990-08-29
申请号：EP89909628.3
申请日：1989-08-28
申请人： FANUC LTD
IPC分类号： G05B19/23
CPC分类号： G05B19/231
摘要： A numerical controller which gives an instruction to a machine tool that uses a main shaft motor (5) to return to the origin, in order to control the position of a tool. The main shaft can be returned to the origin by simply giving an instruction for returning to origin to a main shaft amplifier (SPA) that drives the main shaft motor (5). Prior to CNC-operating the machine tool according to the invention, the grid shifting amount (P 2 ) determined by a relationship of the main shaft motor (5) and the object to be controlled is set to the side of the spindle amplifier (SPA), and position data (P 3 ) corresponding to a distance from the origin of machine to a machining starting point transferred prior to a predetermined position stop instruction and the grid shifting amount (P 2 ) are added up together. Therefore, when the instruction for returning to origin is produced from the numerical controller to the spindle amplifier, the position control is automatically assumed, and the moving operation is started with respect to a desired position.
摘要翻译： 为了控制工具的位置而向使用主轴电动机（5）返回原点的机床发出指令的数值控制装置。 只需向返回原点的指令返回到驱动主轴电机（5）的主轴放大器（SPA）即可使主轴返回原点。 在CNC操作根据本发明的机床之前，由主轴马达（5）和要控制的物体的关系确定的电网偏移量（P2）被设置到主轴放大器（SPA）的侧面， 将与从机械原点到在预定位置停止指令之前传送的加工起始点的距离相对应的位置数据（P3）与电网偏移量（P2）相加在一起。 因此，当从数值控制器向主轴放大器发出用于返回原点的指令时，自动地假定位置控制，并且相对于期望的位置开始移动操作。
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公开(公告)号：EP0383947B1
公开(公告)日：1995-01-11
申请号：EP89909628.3
申请日：1989-08-28
申请人： FANUC LTD.
IPC分类号： G05B19/23
CPC分类号： G05B19/231
摘要： A numerical controller which gives an instruction to a machine tool that uses a main shaft motor (5) to return to the origin, in order to control the position of a tool. The main shaft can be returned to the origin by simply giving an instruction for returning to origin to a main shaft amplifier (SPA) that drives the main shaft motor (5). Prior to CNC-operating the machine tool according to the invention, the grid shifting amount (P2) determined by a relationship of the main shaft motor (5) and the object to be controlled is set to the side of the spindle amplifier (SPA), and position data (P3) corresponding to a distance from the origin of machine to a machining starting point transferred prior to a predetermined position stop instruction and the grid shifting amount (P2) are added up together. Therefore, when the instruction for returning to origin is produced from the numerical controller to the spindle amplifier, the position control is automatically assumed, and the moving operation is started with respect to a desired position.
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