The accurate prediction of cutting forces is important in controlling the tool deflection and the machining accuracy. In this paper, the authors present an improved theoretical dynamic cutting-force model for peripheral milling with helical end-mills. The theoretical model is based on the oblique cutting principle and includes the size effect of undeformed chip thickness and the influence of the effective rake angle. A set of closed-form analytical expressions is presented. Using the cutting forces measured by Yucesan [1] in tests on a titanium alloy, the cutting-force coefficients are estimated and the cutting- force model verified by simulation. The simulation results indicate that the improved dynamic cutting-force model does predict the cutting forces in peripheral milling accurately. Simulation results for a number of particular examples are presented.
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ID="A1" Correspondence and offprint requests to: Prof K. Cheng, School of Engineering, Leeds Metropolitan University, City Campus, Calverley Street, Leeds LS1 3HE, UK. E-mail: k.cheng@lmu.ac.uk
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Liu, XW., Cheng, K., Webb, D. et al. Improved Dynamic Cutting Force Model in Peripheral Milling. Part I: Theoretical Model and Simulation. Int J Adv Manuf Technol 20, 631–638 (2002). https://doi.org/10.1007/s001700200200
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DOI: https://doi.org/10.1007/s001700200200