2615 導電性ダイヤモンド切刃砥石による放電複合研削の試み(S74-2 砥粒加工(2),S74 砥粒加工)

概要

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Electrodischarge grinding was carried out with a metal bonded diamond wheel containing electrically conductive diamond grits. In this research two effects i.e. removal action of workpiece by electrical discharge machining during grinding process and in-process dressing action of the cutting edges on the grits are expected. Electrodischarge grinding tests for cemented carbide indicated a significant decrease of 21% in the grinding force when the set discharge current was increased from 0A to 12A. It is also clarified from grinding tests with or without electrodischarging during 200 grinding passes alternately that stable grinding characteristics along with the decrease in the grinding force can be achieved. High-speed camera photographs indicate that a stable discharge condition was achieved.
社団法人日本機械学会の論文
2005-09-18