No.2（1999）8.The technology for cutting hardened steel at high speed

Tsuyoshi YOKOSAWA, Takao NISHIOKA, Tetsuya HIROTA and Setsuo SUZUKI

To carry out high speed cutting of hardened steel whose hardness is HRC60,the hardened steel was turned by each kind of tool at high cutting speed of 400m/min and,the kind of tool and cutting condition which is suitable to high speed cutting were investigated from the tool abrasion condition. TiN coated tool with a ceramic base was the most suitable to the cutting of hardened steel of HRC60 at high speed of 400m/min.

Keywords
Hardened steel, High speed cutting, TiN coated tool

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