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Proceedings Paper

CNC test approach based on simulation model of machine tool
Author(s): Fan Chen; Dapeng Fan; Lianchao Zhang; Maochun Du
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Paper Abstract

When measuring the control error of CNC systems, the errors brought by machine tools will affect the veracity of CNC test. A new test approach based on simulation model of machine tool is proposed in order to well solve the problem. The structure and principle of the test approach is demonstrated. The simulation model of virtual machine tool and servo feed system are completed based on Simulink. The effect of nonlinear factors such as backlash and friction, are considered sufficiently in the modeling process of virtual machine tool. The validity of machine tool model is verified by simulation. Experimental setup is built to test the motion control ability in the process of circular interpolation, using the proposed test approach. The results of the experiment prove the validity of the test method. The machine tool model set up in this paper can comparatively accurately exhibits the kinematics characters of the real machine tool, and the proposed test method provides a new way for the comprehensive and reliable test of the motion control ability of the CNC system.

Paper Details

Date Published: 28 December 2010
PDF: 8 pages
Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 75446Q (28 December 2010); doi: 10.1117/12.885361
Show Author Affiliations
Fan Chen, National Univ. of Defense Technology (China)
Dapeng Fan, National Univ. of Defense Technology (China)
Lianchao Zhang, National Univ. of Defense Technology (China)
Maochun Du, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 7544:
Sixth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Xianfang Wen, Editor(s)

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