Surfaces machined by micro end-mills at constant chip load

Liow, Jong-Leng, and Frye, Ulrich (2010) Surfaces machined by micro end-mills at constant chip load. Key Engineering Materials, 443. pp. 232-237.

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The surfaces of Al6061, machined by 150 μm two flute micro end-mills, were studied to determine their roughness. The surface roughness, Ra, was less than 100 nm but the Ra/Rz ratio ranged from 0.03-0.12. The surface roughness was found to improve with increasing width of cut and to a lesser extent with increasing feed rate. A single pass of the end-mill was found to produce a smoother surface than two passes over the same surface. The surface roughness was found to correspond to the diameter of the end mill and the slope of the secondary cutting edge. To reduce the surface roughness, smaller diameter end mills and chip loads should be used.

Item ID: 16918
Item Type: Article (Research - C1)
ISSN: 1013-9826
Keywords: atomic force microscope (AFM), mechanical micromachining, micro end mill, surface roughness (SR)
Date Deposited: 15 May 2011 09:21
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 100%
SEO Codes: 87 CONSTRUCTION > 8702 Construction Design > 870201 Civil Construction Design @ 100%
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