NDLI: Micro circular path measurement of two-axis stage using a machine vision system and the application

Content Provider	Springer Nature Link
Author	Park, Jong Jin Kim, Ju Kyung Lee, Eung Suk Lee, Min Ki
Copyright Year	2011
Abstract	Usually, verifying the 2D positioning accuracy of a multi-axes stage is not easy. This is because there is little such a device to measure the 2D path directly in micron accuracy. This paper studies on a measuring method for a micro circular 2D path precisely. A machine vision technique is used to trace the moving path of two-axis stage. This method is compared with the ball-bar system, which is commonly using in CNC machine tool companies for inspecting the performance of circular motion movement. However, it is not common to measure a small circular moving path as less than 0.1 mm diameter. The machine vision system is used to trace a target on the two-axis stage moving. To improve the target imaging quality and resolution, a zoom lens is used in this test. The accuracy of this method depends on the CCD resolution and the lens optics. This technique will be useful to trace a small object in the 2D micropath in real time accurately. Also, this method can be one of those that measure the positioning error vector in the working volume of CNC machine tool.
Starting Page	1049
Ending Page	1055
Page Count	7
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	56
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-02-26
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ball-bar test Machine vision Micro circle Path tracing Two-axis stage Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design Industrial and Production Engineering Production/Logistics/Supply Chain
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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