412 Enhancement of Cutting Tool by Applying Electric Field

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  • 412 電場による切削工具の改質

Description

It is experimentally known that the insert tools significantly change in their cutting performances when being subject to an electric field. For example, electrically/magnetically treated inserts show mach longer tool life (average 2 times) than those untreated. This research takes the first step to develop a very low cost system for electrical/magnetic insert treatment, and systematically investigate the electrical effects on the tool performance. A series of cutting tests have been executed to compare the tool performances between the treated/untreated tools. The tool performance has been evaluated from viewpoint of magnetic flux distribution, hardness and flank wear. The ultimate results lead to an analytical conclusion and a principle for tool performance optimization.

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