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Performance Assessment for Feeding System of Ultraprecision Machine Tool Driven by friction Drive  

Song, Chang-Gyu (Intelligence Precision Mechanical Research Center, Korea Institute of Machinery and Materials)
Sin, Yeong-Jae (Intelligence Precision Mechanical Research Center, Korea Institute of Machinery and Materials)
Lee, Hu-Sang (Intelligence Precision Mechanical Research Center, Korea Institute of Machinery and Materials)
Publication Information
Journal of the Korean Society for Precision Engineering / v.19, no.7, 2002 , pp. 64-70 More about this Journal
Abstract
The positioning system fur the ultraprecision machine tool should have nanometer order of positioning resolution. For the purpose of achieving that resolution, various feed drive devices have been proposed and currently hydrostatic lead screw and friction drive are paid attention. It is reported that an angstrom resolution can be achieved by using twist-roller friction drive. So we have manufactured ultraprecision feeding system driven by the twist-roller friction drive and perform performance assessment for problem definition and solution finding. As a result, we found that the twist-roller friction drive is mechanically suitable for ultraprecision positioning but some considerations are needed to get higher resolution.
Keywords
twist-roller friction drive; ultraprecision machine tool; coupling; feeding system; positioning resolution;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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