Study on mirror surface grinding of die steel by using ultrasonically assisted diamond tools Online publication date: Tue, 30-Sep-2008
by Keisuke Hara, Hiromi Isobe, Akira Kyusojin, Manabu Okada
International Journal of Abrasive Technology (IJAT), Vol. 1, No. 3/4, 2008
Abstract: This paper describes Ultrasonically Assisted Grinding (USG) to obtain a glossy surface quickly and precisely. In this research, diamond electroplated tools perform grinding experiments on a 3D milling machine equipped with an ultrasonic spindle system. Generally, diamond tools cannot cut ferrous materials because of the terrible wear due to diffusion of carbon into the bulk and chips. In USG temperature rising of tool abrasive is prevented due to discontinuous contact between tool and workpiece by periodical vibration. So, ultrasonically assisted diamond grinding can make fine surface (roughness Rz is 0.4-0.84 µm) of die steel, without severe tool wear. Effects of tool feed rate, radial depth of cut and axial depth of cut on the ground surface were investigated.
Online publication date: Tue, 30-Sep-2008
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