Tangent Following Control Method of Arc with CNC Cutting Machine Tool

Abstract:

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In order to resolve the problem of cutter rotation controlling in the process of cutting using in CNC cutting machine tool, the principle of cutting of CNC cutting machine-tool is analyzed and the coordinate of the machine tool’s motion is built. Tangent Following interpolation of arc based on data sampling algorithm is researched. Interpolation formula is educed and its arithmetic flow chart is given. Two kinds of inaccuracy are analyzed and their comparison graph is studied. PC and Controller motion control system is used in this paper and close-loop speed control system is selected. Dynamic simulation of this interpolation is realized by testing the program written by VC++6.0 under the Googol motion control platform. The result shows that the Tangent Following interpolation can satisfy the need of cutting control process well.

Info:

Periodical:

Materials Science Forum (Volumes 626-627)

Edited by:

Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang

Pages:

477-482

DOI:

10.4028/www.scientific.net/MSF.626-627.477

Citation:

Y. W. Zhao et al., "Tangent Following Control Method of Arc with CNC Cutting Machine Tool", Materials Science Forum, Vols. 626-627, pp. 477-482, 2009

Online since:

August 2009

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Price:

$35.00

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