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Determination of process parameters through a mechanistic force model of milling operations

✍ Scribed by Guven Yucesan; Qufei Xie; Abdel E. Bayoumi

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
739 KB
Volume
33
Category
Article
ISSN
0890-6955

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✦ Synopsis

Mechanistic process parameters for the end milling operation are determined for llL17 free machining steel, 2024 aluminum and 62-35-3 free machining brass by analyzing the measured cutting force data and using a mechanistic force model. It has been found that pressure and friction acting on the cutter-chip interface decrease with the increase of feed rate, while the cutting speed has a negligible effect on some of the material-dependent parameters. Process parameters are summarized into empirical equations as functions of feed rate and tool rotation angle for each workpiece material. The use of sampled force data in the computation of the process parameters reduces the amount of testing greatly compared to those methods that utilize only average force data.

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