Abstract
Abstract A three-component, SR-4 strain-gage, lathe dynamometer is described. Orthogonal and oblique cutting data obtained with this dynamometer, when dry, end-cutting SAE 1015, 118 Bhn seamless-steel tubing are presented. Tools tipped with all-purpose, steel-cutting grade carbide and having normal rake angles varying from −10 to 37 deg and inclination angles varying from 0 to 36 deg were used to obtain the cutting data at speeds varying from 125 to 750 fpm and feeds varying from 0.004 to 0.012 ipr. The variation of the machining-force components, the cutting ratio, the thickness ratio, and the specific cutting energy with the normal rake angle, the inclination angle, the cutting speed, and the tool feed is given.
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