Characteristics of Coated Grinding Wheels in Creep Feed Grinding : Effect of Coated Wheel with High Thermal Conductivity Metal (Nickel)

概要

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In this paper, the characteristics of a treatment of the grinding wheel (sulphur filled and nickel plated) has been examined in a creep feed grinding. It was found that the grinding forces always become smaller in a treated grinding wheel than in a normal grinding wheel and a critical depth of cut of which workpiece burning occurs, is large in the treated grinding wheel. Also, in comparison of the grinding wear and the grinding temperature, the Ni plated grinding wheel has smaller values than the normal grinding. Although the distribution of temperatures in the workpiece with normal grinding wheel concentrates in a small portion on contacting area, that of Ni plated grinding wheel does not show a steep temperature rise.
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