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Title: Characterization of cutting-induced heat generation in ultra-precision milling of aluminium alloy 6061
Authors: Wang, S
To, S 
Chen, X
Keywords: Aluminium alloy 6061
Heat generation
Ultra-precision raster milling
Issue Date: 2013
Publisher: Scientific.Net
Source: Key engineering materials, 2013, v. 552, p. 201-206 How to cite?
Journal: Key engineering materials 
Abstract: The technology of ultra-precision machining with single crystal diamond tool produces advanced components with higher dimensional accuracy and better surface quality. The cutting-induced heat results in high temperature and stress at the chip-tool and tool-workpiece interfaces therefore affects the materials and the cutting tool as well as the surface quality. In the ultra-precision machining of al6061, the cutting-induced heat generates precipitates on the machined surface and those precipitates induce imperfections on the machined surface. This paper uses the time-temperature-precipitation characteristics of aluminum alloy 6061 (al6061) to investigate the effect of feed rate on the cutting-induced heat generation in ultra-precision multi-axis milling process. The effect of feed rate and feed direction on the generation of precipitates and surface roughness in ultra-precision raster milling (UPRM) is studied. Experimental results show that heat generation in horizontal cutting is less than that in vertical cutting and a larger feed rate generates more heat on the machined workpiece. A smaller feed rate produces a better surface finish and under a larger feed rate, scratch marks are produced by the generated precipitates and increase surface roughness.
Description: Asia Pacific Conference on Optics Manufacture 2012, APCOM 2012, Changchun, 26-28 August 2012
ISSN: 1013-9826
EISSN: 1662-9795
DOI: 10.4028/
Appears in Collections:Conference Paper

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