A Closed Form Frequency Domain Model for Tangential Cutting Force in Peripheral Milling
Wang, J. - J. Junz
Liang, Steven Y.
Book, Wayne John
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An approach to develop a closed form frequency domain model for the tangential cutting force and torque is presented for peripheral milling processes. Based on a mechanistic local cutting force model, the total tangential cutting force is shown to be of a convolution integral form. The convolution integrands are defined in the context of local cutting force function and cutter chip width density function. The latter is related to cutter geometry and axial depth of cut, nad the local cutting force function is determined by the radial cutting configuration. The convolution theorem of linear system theory is applied to obtain the Fourier transforms of total cutting force as the products of Fourier transforms of the elemental cutting and chip width density functions. Results are compared with other cutting force models reported.