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1. 发明公开

EP1803530A2 Tool displacement controlling and correcting device for machine tool 审中-公开
标题翻译： Werkzeugpositionsüberwachungund -KorrekturfürWerkzeugmaschine
公开(公告)号：EP1803530A2
公开(公告)日：2007-07-04
申请号：EP06256563.5
申请日：2006-12-22
申请人： FANUC LTD
发明人： Kawai, Tomohiko , Ebihara, Kenzo, c/o FANUC Dai3virakaramatsu , Ooki, Takeshi, c/o FANUC Dai3virakaramatsu
IPC分类号： B23Q15/24
CPC分类号： B23Q15/24 , G05B19/404 , G05B2219/50288
摘要： A controller for a machine tool, capable of performing ultraprecision machining with high accuracy by performing correction allowing for a displacement of a spindle produced depending on a rotational speed. When the spindle is rotated at high speed, the cutting position of a tool attached to the spindle varies due to the influence of spindle fitting accuracy and of weight balance. By measuring the displacements in the X, Y and Z directions of the end of the tool (2) attached to the spindle (1) by means of non-contact displacement gauges (6x,6y,6z), correction amounts are obtained in the manner associated with the rotational speed of the spindle, and stored in a storage device. In the process of machining, correction amounts are read depending on the speed of the spindle, and machining is performed according to program command values corrected using the correction amounts thus read. Even if the cutting position of the tool varies during high-speed rotation, machining is performed according to program command values corrected. Thus, ultraprecision machining can be carried out with high accuracy.
摘要翻译：一种用于机床的控制器，其能够通过执行校正，可以根据转速产生的主轴的位移，以高精度执行超精密加工。当主轴高速旋转时，由于主轴配合精度和重量平衡的影响，安装在主轴上的刀具的切割位置会发生变化。通过测量通过非接触位移计（6x，6y，6z）安装在主轴（1）上的工具（2）的端部的X，Y和Z方向上的位移，在方式与主轴的转速相关联，并存储在存储装置中。在加工过程中，根据主轴的速度读取校正量，并且根据使用由此读取的校正量校正的程序命令值执行加工。即使在高速旋转期间刀具的切割位置变化，根据修正的程序指令值进行加工。因此，可以高精度地进行超精密加工。

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