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1. 发明授权

US5578913A NC device controlling machining processes with pre- and post-execution in-position values 失效
标题翻译： NC设备控制前后执行就位值的加工过程
公开(公告)号：US5578913A
公开(公告)日：1996-11-26
申请号：US343938
申请日：1994-11-17
申请人： Shouki Yasuda , Koichi Yasumoto , Katsunori Tsutsui
发明人： Shouki Yasuda , Koichi Yasumoto , Katsunori Tsutsui
IPC分类号： B23Q15/013 , B23Q15/22 , G05B19/19 , G05B19/408 , G05B19/4155 , H02D5/00
CPC分类号： G05B19/4155 , G05B19/408 , G05B2219/34388 , G05B2219/49052
摘要： A numerical control device can perform machining processes in a short time while maintaining high precision, regardless of the order at which programs are commanded. Consecutive blocks of a numerical control program are retrieved on a block-by-block basis, and a pre-execution in-position value and a post-execution in-position value for each of the blocks of the numerical control program are set and stored in a ROM. The block of the numerical control program is executed in accordance with at least one of the corresponding pre-execution in-position value and the post-execution in-position value. In one embodiment, if the post-execution in-position value of a formerly retrieved block is large and the pre-execution in-position value of the subsequently retrieved block is small by retrieving two consecutive blocks, the post-execution in-position value of the formerly retrieved block is rewritten to a small value, and the block of the program is executed in accordance with the rewritten post-execution in-position value.
摘要翻译：数字控制装置可以在保持高精度的同时在短时间内执行加工过程，而不管程序被命令的顺序如何。数据控制程序的连续块在逐块的基础上检索，并且数字控制程序的每个块的预执行就位值和执行后就位值被设置和存储在ROM中。根据相应的预执行就位值和执行后就位值中的至少一个来执行数控程序的程序段。在一个实施例中，如果先前检索到的块的执行后就位值大，并且通过检索两个连续的块，随后检索到的块的预执行就位值较小，则执行后就位值被重写为小的值，并且根据重写的执行后就位值来执行程序块。

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