Two Coordinate and Dual Positioning Technology Research in Feed System of Ultra-Precision Lathe

Wan Shiming; Li Shenyi; Zhu Jianzhong; Xie Xuhui

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Two Coordinate and Dual Positioning Technology Research in Feed System of Ultra-Precision Lathe

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- Two Coordinate and Dual Positioning Technology Research in Feed System of Ultra-Precision Lathe
- Optics and Precision Engineering Vol. 1, Issue 6, Pages: 26-29(1993)
- 作者机构：
  
  国防科技大学机电工程与仪器系长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：08 December 1993，
  
  Published Online：15 December 1993，
  
  Published：15 December 1993
- 稿件说明：
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王世民, 李圣怡, 朱建忠, 解旭辉. 超精密车床进给系统两座标双重定位技术[J]. 光学精密工程, 1993,(6): 26-29

Wan Shiming, Li Shenyi, Zhu Jianzhong, Xie Xuhui. Two Coordinate and Dual Positioning Technology Research in Feed System of Ultra-Precision Lathe[J]. Editorial Office of Optics and Precision Engineering, 1993,(6): 26-29
王世民, 李圣怡, 朱建忠, 解旭辉. 超精密车床进给系统两座标双重定位技术[J]. 光学精密工程, 1993,(6): 26-29 DOI：

Wan Shiming, Li Shenyi, Zhu Jianzhong, Xie Xuhui. Two Coordinate and Dual Positioning Technology Research in Feed System of Ultra-Precision Lathe[J]. Editorial Office of Optics and Precision Engineering, 1993,(6): 26-29 DOI：

摘要

超精密车床进给系统普遍存在大行程与高精度之间的矛盾

研制出动、静态特性好、行程大、精度高的进给系统是当前超精密加工亟需解决的关键技术之一。本文提出了一种新原理及实现方法

即综合利用计算机、动态检测、信号处理、控制理论、传感器、微位移技术等

将精确进给量分解成主进给量和补偿进给量两部分

分别进行协调连续控制。从而解决大行程与高精度之间的矛盾。利用该技术

能使普通进给系统定位精度提高十多倍

同时又大大扩大了进给微系统的行程。

Abstract

The high accuracy is commonly in conflict with the large-stroke in the feed system of Ultra-precision lathe

so one of the key technologies in presently Ultra-precision-maching is to develope a kind of feed system with better dynamic and stationary characteristic

large-stroke and high accuracy.This paper contributs a new kind of principle and its practical methol. It comprehensively utilizes computer technology

dynamic detection

signal processing

control theory

sensor and micro-displacement technologies etc. to divide the accurate feed into two parts; master feed and compensation feed. The two parts are harmoniously continuously controlled respectively. This method effectively solve the contradiction between the large-stroke and high accuracy. The technique can increase the positioning accuracy of common feed system by ten times and enlarge the stroke of the micro-feed system.

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