Study on Cutter Radius Compensation Methods for 5-Axis CNC Machining

Abstract:

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The numerical control (NC) program files need re-generating if there is any tool dimension change or tool wear for multi-axis machining. If the tool is replaced to adapt this change there will be increased cost. To solute this problem, 3D cutter radius compensation method for 5-axis computer numerical control (CNC) machining is deeply researched. Taking five axes linkage machine tools of X, Y, Z, B, C form with rotary tables B and C as an example, coordinate transformation matrix (CTM) and the cutter compensation vector for 3D cutter radius compensation are derived. The discrimination methods for path joint pattern (PJP) are given. A controller with 3D cutter radius compensation function for 5-axis linkage CNC machine tools is developed based on this method. The controller is allocated to a 5-axis milling machine tool and experiments are done. The proposed algorithm is demonstrated using a practical example.

Info:

Periodical:

Materials Science Forum (Volumes 628-629)

Edited by:

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

Pages:

347-352

DOI:

10.4028/www.scientific.net/MSF.628-629.347

Citation:

Y. Liu et al., "Study on Cutter Radius Compensation Methods for 5-Axis CNC Machining", Materials Science Forum, Vols. 628-629, pp. 347-352, 2009

Online since:

August 2009

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Price:

$35.00

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