A Grating Read Head with an Aspherical Lens and Digital Display

Zhou Changxin

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A Grating Read Head with an Aspherical Lens and Digital Display

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- A Grating Read Head with an Aspherical Lens and Digital Display
- Optics and Precision Engineering Vol. 0, Issue 1, Pages: 35-40(1986)
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- Published Online：15 February 1986，
  
  Published：15 February 1986
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周长新. 非球面光栅读数头及数显装置[J]. 光学精密工程, 1986,(1): 35-40

Zhou Changxin. A Grating Read Head with an Aspherical Lens and Digital Display[J]. Editorial Office of Optics and Precision Engineering, 1986,(1): 35-40
周长新. 非球面光栅读数头及数显装置[J]. 光学精密工程, 1986,(1): 35-40 DOI：

Zhou Changxin. A Grating Read Head with an Aspherical Lens and Digital Display[J]. Editorial Office of Optics and Precision Engineering, 1986,(1): 35-40 DOI：

摘要

本文介绍一种采用非球面准直镜的小型光栅读数头及与其配套使用的数显装置的工作原理、电路原理

并叙述了该光栅读数头的光学系统、机械结构设计以及系统的装调方法。最后还进行了整个系统测量误差的分析。这种读数头结构简单

实用可靠

已获得推广应用

效果良好。

Abstract

This paper relates the principles of a grating read head of small size

in which an aspherieal lens is adopted

and of the digital display device matching with the read head. The principles of the circuit and optical system

mechanical construction design of the grating read head and adjusting method of the system are described. The measuring error of the whole system is analysed. The read head is simple in structure and reliable in use It has been used widely in a variety of areas of production

the efficiency is good.

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