Influence of Tool Shape on Cutting Characteristics in Ultra-Precision Cutting of Al-Mg Alloys

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In this study, we investigated ultra-precision cutting technology of aluminum alloys for polygon mirrors made of Al-Mg Alloys. It is necessary to improve the geometric surface roughness achieved in the mirror cutting of Al-Mg alloys and remove tear-out marks and scratch marks that occur during the cutting process. Therefore, we investigated the cutting edge shape using 2 types of straight diamond tools and 2 types of round tools to decrease the surface defects in the ultra-precision cutting of Al-Mg alloys. As a result, a double-facet tool can achieved a good machined surface roughness and reduce the cutting force and the scratch marks compared with other tools.

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178-183

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January 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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