Identification of shearing and ploughing cutting constants from average forces in ball-end milling

J. J. Wang, C. M. Zheng

研究成果: Article同行評審

65 引文 斯高帕斯(Scopus)

摘要

This paper presents an analytical model for the direct identification of global shearing and ploughing cutting constants from measured average cutting forces in ball-end milling. This model is based on the linear decomposition of elemental local cutting forces into a shearing component and a ploughing component. Then, a convolution integral approach is used to obtain the average cutting forces leading to a concise and explicit expression for the global shearing and ploughing cutting constants in terms of axial depth of cut, cutter radius and average milling forces. The model is verified by comparisons with an existing force model of variable cutting coefficients. Cutting constants are identified through milling experiments and the prediction of cutting forces from identified cutting constants coincides with the experimental measurements. A model for identifying the lumped shearing constants is obtained as a subset of the presented dual mechanism model. Experimental results indicate that a model with dual-mechanism cutting constants predicts the ball-end milling forces with better accuracy than the lumped force model.

原文English
頁(從 - 到)695-705
頁數11
期刊International Journal of Machine Tools and Manufacture
42
發行號6
DOIs
出版狀態Published - 2002 5月

All Science Journal Classification (ASJC) codes

  • 機械工業
  • 工業與製造工程

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