| 定点式双向螺距补偿法及在数控系统中应用 |
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| 引用本文： | 赵毅忠. 定点式双向螺距补偿法及在数控系统中应用[J]. 兵工自动化, 2007, 26(2): 30-31 |
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| 作者姓名： | 赵毅忠 |
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| 作者单位： | 西南自动化研究所,数控部,四川,绵阳,621000 |
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| 摘 要： | 定点式双向螺距补偿法应用在数控系统中.首先,在系统参数中建立每坐标轴螺距补偿相关参数:各补偿轴的起点机床坐标、终点机床坐标、补偿间隔的长度.并建立每段补偿间隔对应的补偿值表.数控系统在输出各轴进给量时,通过判断是否经过补偿点来对输出量进行补偿.
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| 关 键 词： | 数控机床 定位精度 双向螺距误差 定点补偿 |
| 文章编号： | 1006-0576（2007）02-0030-02 |
| 收稿时间： | 2006-07-14 |
| 修稿时间： | 2006-12-20 |
Positioning Bidirectional Pitch Compensation Method and Its Application in NC System |
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| ZHAO Yi-zhong. Positioning Bidirectional Pitch Compensation Method and Its Application in NC System[J]. Ordnance Industry Automation, 2007, 26(2): 30-31 |
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| Authors: | ZHAO Yi-zhong |
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| Affiliation: | Dept. of NC, Southwest Research Institute of Automation, Mianyang 621000, China |
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| Abstract: | The positioning bidirectional pitch compensation method is applied in NC system. In the first place, the parameters related to the pitch compensation of each coordinate axis are set up in the system, including the machine starting coordinate for each compensative axis, the machine terminal coordinate and the length of compensative space. A table of compensative values corresponding to the compensative space of each segment is also set up. When the NC system outputs the feed to each axis, it compensates the output by judging whether passing through the compensation point or not. |
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| Keywords: | CNC machine Orientation accuracy Bidirectional screw-pitch error Point compensation |
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