Abstract
This paper describes ultrasonically assisted grinding for injection die steel using diamond abrasive tools. In this study, a 3D positioning machine equipped with an ultrasonic spindle carried out grinding experiments. Generally, diamond tools cannot grind steel because of the terrible wear due to chemical reaction between diamond and steel. However, ultrasonically assisted grinding can make fine surface (roughness Rz is 0.4〜0.84μm) of die steel, without severe tool wear. Effects of tool feed rate, radial depth of cut and axial depth of cut were investigated.
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