Design of a Precision Three-Coordinate Measuring Machine Based on SCM

Long Zhang Shen; Yu Jin Fan

doi:10.4028/www.scientific.net/AMR.490-495.2430

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 490-495Design of a Precision Three-Coordinate Measuring...

Design of a Precision Three-Coordinate Measuring Machine Based on SCM

Abstract:

A low-lost, easily-use, non-contact three-coordinate measuring machine was researched and designed by using a laser head of CD-ROM as its detecting element, which could measure the micro-displacement of surface precisely. Researching and taking full advantage of the auto-focusing detecting principle and process circuit of CD-ROM, the machine simulated the action of disk read by using the MCU AT89S52, and read the voltage value of voice coil motor as the Z-coordinate’s value of this point. The system could work in 0.1 μm of the range of 20μm, which might be used to measure the figure of super smooth surface.

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Periodical:

Advanced Materials Research (Volumes 490-495)

Pages:

2430-2434

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.2430

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Online since:

March 2012

Authors:

Long Zhang Shen, Yu Jin Fan

Keywords:

Auto-Focusing, CD-Rom, Coordinate Measuring Machine, Laser Pick-Up Head, SCM

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