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Cutting Force Model for Contour Surface Machining of Gear Indexing Cam with Flat End Milling

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Abstract:

This paper presents a model to predict the cutting forces for flat end milling as machining gear indexing cam. Rotation feeding makes axial depth of cut and uncut chip thickness change during cutting process. The development of the model is based on the analysis of cutting edge expression. According to the existing the relationship of the local cutting force and chip load and assuming the cutter to be divided into a number of differential elements in the axial direction of the cutter, the model is derived by summarising the cutting forces produced by each differential cutter disc engaged in the cut. The equation for calculating uncut chip thickness of differential disc is educed. In order to avoid the complex computing for axial depth of cut of the entire edge, a unit square window function and its criterion are introduced to estimate whether a segment of edge is in engaging range.

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Periodical:

Materials Science Forum (Volumes 471-472)

Pages:

122-126

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.471-472.122

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Online since:

December 2004

Authors:

P.Q. Guo, Chuan Zhen Huang, Ping Zhao

Keywords:

Contour Machining, Cutting Force Model, Flat End Milling, Gear Indexing Cam

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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