激光扫描动态测量管外径的研究

Study on dynamically measuring outer diameter with a scanning laser

本文报导利用激光扫描，在５ｍｍ至６０ｍｍ的外径上，实现±０．０２ｍｍ动态检测精度的研究结果。文中对研制原理及精度分析作出简明阐述。

In this paper, a new measuring device characterized by the performances of measuring range from 5mm to 60mm, accuracy ± 0.02mm is reported.The device is composed mainly of a scanning laser and a optical system,This paper describes the principles of the device and analyzes the measuring accuracy.