Influence of Treatment of Grinding Wheel on Machined Surface Quality : Characteristics of Grinding Wheels Coated with High Thermal Conductivity Metal

概要

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The effect of metal coating on the cutting characteristics was investigated by carrying out experiments employing a single point tool and a grinding wheel coated with a high thermal conductivity metal. It was found that, in the case of a coated single fly-tool, the cutting temperature and the deformation of the work-hardened layer decrease, accompanied by a pronounced effect on the metallurgical structure of the work material. In the case of plunge-grinding with Ni plated wheels, relatively smaller depth of thermally-affected layer and finer roughness of machined surface were obtained, with a large difference in the surface temperature and grinding forces, as compared to those with a normal grinding wheel.
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