Real-time geometric error compensation in micro grooving the workpiece with large surface area
Kang, D.B. Son, S.M. Ahn, J.H.
Kang, D.B.
Ahn, J.H.
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Abstract
A workpiece with a large surface area is likely to be uneven due to form error and waviness. These geometric disturbances can cause inaccurate micro shapes to be formed when micro features are micro-grooved into the surface and cause the resulting workpiece to fail to function as desired. Thus, the real-time monitoring and compensation is required to guarantee the form accuracy of micro features while machining the workpiece with a large surface area. In this study, a method is suggested for real-time measurement and compensation of geometric errors for the micro grooving of a large flat surface using a laser displacement sensor placed ahead of the cutting tool. Experimental results show that the compensated surface profiles fit the measured ones within an allowable tolerance even at cutting speeds as high as 200 mm/s.
Keywords
Compensation, Form error, Large surface area, Micro features, Micro grooving, Waviness
Source Title
Key Engineering Materials
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Series/Report No.
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Date
2007
DOI
10.4028/0-87849-430-8.314
Type
Conference Paper