A study of single kinematic errors accurate fitting for ultra-precision micro v-groove machine tools

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• 作者：Huabing Zou (1)
  Xindu Chen (1)
  Sujuan Wang (1)
  
  1. Guangdong Provincial Key Laboratory for Micro/Nano Manufacturing Technology and Equipment ; School of Electromechanical Engineering ; Guangdong University of Technology ; Guangzhou ; 510006 ; People鈥檚 Republic of China
  
• 关键词：Micro v ; grooves ; Ultra ; precision machine tools ; Core pitch ; Single kinematic errors ; Accurate fitted function
• 刊名：The International Journal of Advanced Manufacturing Technology
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：77
• 期：5-8
• 页码：1345-1351
• 全文大小：576 KB
• 参考文献：1. Wang, SJ, To, S, Chen, X, Wang, H, Xia, HJ (2014) A study of the fabrication of v-groove structure in ultra-precision milling. Int J Comp Integ Manuf 27: pp. 986-996 CrossRef
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• 刊物类别：Engineering
• 刊物主题：Industrial and Production Engineering
  Production and Logistics
  Mechanical Engineering
  Computer-Aided Engineering and Design
  
• 出版者：Springer London
• ISSN：1433-3015

文摘

V-groove structure is extensively used for planar optical-fiber alignment, and its quality is critical to the functionality of the fiber connector. The core pitch of v-groove structure is the most important machining parameter, which determines the v-groove quality. And its machining precision is dominated by the machine tool motion precision in the z-axis direction. Six single kinematic errors derived from the multi-body system theory are the main factors affecting the accuracy of the machine tool motion in the z-axis direction. Therefore, this paper presents a single kinematic errors accurate fitting methodology for the micro v-groove machine tools. A function is fitted with a set of data using the existing fitting method and verified by another set of data measured at other testing points. Each set of test points have the same intervals, but their starting points are different from each other. The fitted function is constantly upgraded in the process of the verification. And the accurate fitted function is finally obtained by the recycling verification process. The results show that the accurate fitting method is effective and practical.