An analytical force model with shearing and ploughing mechanisms for end milling

J. J. Junz Wang, C. M. Zheng

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

An analytical force model with both shearing and ploughing mechanisms is established for the end milling processes. The elemental forces are defined as the linear combination of shearing and ploughing forces in six cutting constants. The analytical model for the total milling forces in the angular and frequency domain are derived by convolution approach and Fourier transform respectively and are expressed as the superposition of the shearing force component and ploughing force component. This dual-mechanism model is analyzed and discussed in the frequency domain and compared with the lumped shear model. An expression is derived for identifying the cutting constants of the dual-mechanism model from the average milling forces. Explicit inclusion of ploughing force in the model is shown to result in better predictive accuracy and yields a linear force model with constant cutting coefficients. Experiments verify the accuracy and the frequency analysis of the dual-mechanism model and show that cutting constants for the dual-mechanism model are fairly independent of chip thickness.

Original languageEnglish
Pages (from-to)761-771
Number of pages11
JournalInternational Journal of Machine Tools and Manufacture
Volume42
Issue number7
DOIs
Publication statusPublished - 2002 May

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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