Method of Machining Error Tracing and Processing Performance Evaluation for Five-axis CNC Machine Tool Based on the Comprehensive Evaluation System

doi:10.3901/JME.2017.21.149

Abstract

Abstract: Machining performance of five-axis CNC machine tool in the manufacturing industry has been a hot research, evaluation method based on cutting of test piece is common, but it is difficult to determine the relationship between test piece and machine tool. When appearing cutting error, how to adjust accuracy becomes difficult. In order to evaluate scientifically, mapping relationship between the parameters of control system of the machine tool and the test specimen is established by using simulation platform. Based on the membership degree of the evaluation of the classification of the machine tools, comprehensive evaluation system based on error tracing is developed. By using three coordinate measuring machine to measure the error data of the outline of the S part, the data are used to reverse level of machining performance and find control parameters of the poor axis, meanwhile formulating the standard of measurement and evaluation of machining accuracy of the machine tool based on the S part. Finally, the effectiveness of the method of comprehensive evaluation is verified by cutting experiments of AB double swing five-axis CNC machine tools. The Achievement is helpful to solve the problem of common technical problems about lacking of the evaluation of processing performance for five-axis CNC machine tool in the long-term and high-end manufacturing industry in China, which has important application prospect and economic value.

Key words: “S” specimen, error tracing, five-axis CNC machine tool, fuzzy comprehensive evaluation, mapping relationship

CLC Number:

TH161

WANG Wei, LI Qingzhao, KANG Wenjun, TAO Wenjian, DU Li. Method of Machining Error Tracing and Processing Performance Evaluation for Five-axis CNC Machine Tool Based on the Comprehensive Evaluation System[J]. Journal of Mechanical Engineering, 2017, 53(21): 149-157.

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