Paper Title:

Development of CAPP/CAM System for Ultraprecision Micromachining - Process Planning Considering Setting Error

Periodical Key Engineering Materials (Volume 516)
Main Theme Proceedings of Precision Engineering and Nanotechnology
Edited by W.B. Lee, C.F. Cheung and S. To
Pages 66-72
DOI 10.4028/www.scientific.net/KEM.516.66
Citation Yasuaki Koyama et al., 2012, Key Engineering Materials, 516, 66
Online since June, 2012
Authors Yasuaki Koyama, Keiichi Nakamoto, Yoshimi Takeuchi
Keywords CAM, Computer Aided Process Planning, Micro Machining, Multi-Axis Control Machine Tool, Setting Error
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Abstract

Ultraprecision machine tools can be expert power together with a CAD/CAM system in generating tool paths. However, CAM systems generally focus on generating NC data. Consequently, operators have to perform process planning by considering the features of machine tools, cutting tools and workpieces. Above all, the setting error may cause interference between the cutting tool and the workpiece, and result in low machining accuracy. Therefore, this study deals with the development of a CAPP/CAM system in ultra-precision micromachining to assist operators in relation to settings. The developed system determines the number of the used control axes of the machine tool, and calculates the required setting accuracy, while preventing tool interference and maintaining the shape error within the tolerance. From the simulation result, it is found that the CAPP/CAM system is effective in producing micro parts easily and accurately.