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http://dx.doi.org/10.14775/ksmpe.2014.13.6.015

Optimal Design Techniques of the Ultra Precision Cutting Unit through using Optimized Bearing positioning and Latest Lubrication Systems  

Park, Dae-Kwang (Dept. of Advanced Parts & Materials, Chosun UNIV.)
Cho, Young-Tae (Dept. of Manufacturing Technology and Design Engineering, Jeonju UNIV.)
Kim, Jae-Yeol (School of Mechanical Engineering, Chosun UNIV.)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.13, no.6, 2014 , pp. 15-22 More about this Journal
Abstract
With a conventional positioning apparatus, it is very difficult simultaneously to achieve desired driving ranges and precision levels at the sub-micrometer level. Generally, a lead screw and friction drive have been used as servo control systems. These have large driving ranges, and high-speed positioning is feasible. In this study, we present a global servo system controlled by a laser interferometer acting as a displacement measurement sensor for achieving positioning accuracy at the sub-micrometer level.
Keywords
Global stage; Ultra Precision Cutting Unit; Linear motion; Laser Interferometer; Capacitive-sensor;
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