The Error Analysis of Ultra-Precision Diamond Turning Machine Based on Tool Swing Feeding

Abstract:

In the respect of ultra-precision manufacturing of axisymmetric surface, the machine tool with tool swing feeding has less interpolation error sources compared to the conventional ultra-precision diamond turning machine tool. The installation errors of machine tool greatly affect the manufacturing accuracy of parts. Therefore, based on the multi-body dynamics theory , the structure characteristics of this machine tool, and the parts' relative positions of machine tool, in this paper we established the space geometric model and the integrated error model of machine tool integrated with the actual installation error of machine. The analysis results of the error model show that the relationship between the depth of axis (tool shaft and main shaft of machine) parallelism and the profile error is linear function; when the installation error of swing arm was lower than 150′′,the profile error of parts was less than λ/10.

• Periodical: Key Engineering Materials (Volume 625)
• Pages: 262-266
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.625.262
• Online since: August 2014
• Authors: Hong Hui Yao, Tao Sun, Zeng Qiang Li*
• Keywords: Design Optimization, Kinematic Analysis, Single Point Diamond Turning, Ultra-Precision Machine

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