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Surface Roughness And Diametral Consistency Of Holes Drilled Into Ddgs/Phenolic Resin Blends, J. W. Shanafield, A. W. Otieno, R. A. Tatara, D. J. Schroeder, Kurt A. Rosentrater
Surface Roughness And Diametral Consistency Of Holes Drilled Into Ddgs/Phenolic Resin Blends, J. W. Shanafield, A. W. Otieno, R. A. Tatara, D. J. Schroeder, Kurt A. Rosentrater
Kurt A. Rosentrater
In this study, corn-based distillers dried grains with solubles (DDGS) has been utilized as a filler and blended with phenolic resin. The blends were compression molded into rectangular test specimens, into which holes have been machined using a standard 9.52 mm (3/8 in) diameter, two-fluted twist drill. A series of tests was then conducted to examine the effects of DDGS content, cutting speed, and feed rate upon the surface finish (roughness) of the interior hole slot, as well as the consistency of the drilled hole diameter. DDGS content was 0, 25, 50, and 75%, by weight. Cutting speed was 17, …