A slip-line field model for orthogonal micro-machining processes

H. S. Yoon; Kornel Ehmann

doi:10.1243/17547164C0012009068

A slip-line field model for orthogonal micro-machining processes

H. S. Yoon^*, Kornel Ehmann

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

3 Scopus citations

Abstract

An orthogonal cutting force model for the micro-machining process is proposed. The model is based on slip-line field theory and accounts for the effects of the minimum chip thickness, the effective rake angle, the dead metal zone, and the depth of deformation. The model describes the micro-machining process by two material flow processes: the chip formation process and the ploughing process. The ploughing process is represented as a plastic deformation process of the metal flow moving beneath the tool. An experimental validation of the model was performed and it was shown that a good agreement exists between the experimental and the simulation results for micro-turning.

Original language	English (US)
Pages	329-332
Number of pages	4
DOIs	https://doi.org/10.1243/17547164C0012009068
State	Published - Dec 1 2009
Event	International Conferences on Multi-Material Micro Manufacture, 4M/International Conferences on Micro Manufacturing, ICOMM - Karlsruhe, Germany Duration: Sep 23 2009 → Sep 25 2009

Other

Other	International Conferences on Multi-Material Micro Manufacture, 4M/International Conferences on Micro Manufacturing, ICOMM
Country	Germany
City	Karlsruhe
Period	9/23/09 → 9/25/09

Keywords

Dead metal zone
Micro-machining
Minimum chip thickness
Ploughing process

ASJC Scopus subject areas

Industrial and Manufacturing Engineering
Materials Science(all)

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10.1243/17547164C0012009068

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abstract = "An orthogonal cutting force model for the micro-machining process is proposed. The model is based on slip-line field theory and accounts for the effects of the minimum chip thickness, the effective rake angle, the dead metal zone, and the depth of deformation. The model describes the micro-machining process by two material flow processes: the chip formation process and the ploughing process. The ploughing process is represented as a plastic deformation process of the metal flow moving beneath the tool. An experimental validation of the model was performed and it was shown that a good agreement exists between the experimental and the simulation results for micro-turning.",

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AB - An orthogonal cutting force model for the micro-machining process is proposed. The model is based on slip-line field theory and accounts for the effects of the minimum chip thickness, the effective rake angle, the dead metal zone, and the depth of deformation. The model describes the micro-machining process by two material flow processes: the chip formation process and the ploughing process. The ploughing process is represented as a plastic deformation process of the metal flow moving beneath the tool. An experimental validation of the model was performed and it was shown that a good agreement exists between the experimental and the simulation results for micro-turning.

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KW - Ploughing process

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