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STUDY OF NON-CONTACT MEASUREMENT OF FREE-FORM SURFACES(PDF)

Transactions of Tianjin University[ISSN:1006-4982/CN:12-1248/T]

Issue:
2001年04期
Page:
226-228
Publishing date:

Info

Title:
STUDY OF NON-CONTACT MEASUREMENT OF FREE-FORM SURFACES
Author(s):
XU Yu chun ZHANG Guo xiong XIE Ze xiao FENG Guo xin WANG Chun hai
(State Key Laboratory of Precision Measuring Technology and Instruments,Tianjin University,Tianjin 300072,China)
Keywords:
DOI:

Abstract:
A non contact three dimensional measurement method is presented in this paper.This system consists of a laser triangulation probe,a probe head and a coordinate measuring machine (CMM).The measurement principle of the system is discussed,and a system calibration method employing a reference ball is proposed.The geometric model involving four frames is established to calculate the data points based on the reading of the laser probe and position information from the CMM.A measuring experiment for gesso free form surface using this system is carried out.

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Last Update: 2011-05-02