超硬正面フライスにおける熱き裂 : (第1報, 基礎的切削実験の結果について)

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タイトル別名
  • Thermal Crack in the Carbide Face-Milling Cutter : (1st Report, Results Obtained from the Fundamental Cutting Experiments)
  • チョウコウショウメン フライス ニ オケル アツキ レツ 1

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抄録

Fundamental characteristics and the cause of the thermal crack which appears in the carbide face-milling cutter have been investigated. The observation of thermal crack has revealed that it appears nearly perpendicular to the cutting edge at a point apart from the cutting edge in the tool-chip contact area of the tool face. And a lot of other interesting features of the initiation and growth of the thermal crack have been also revealed. The cause of thermal crack of the carbide face-milling cutter has been considered at the view-point that, as generally said, it is due to the thermal shock accompaying the intermittent cutting. Next, the influence of cutting conditions on the thermal crack has been investigated and sometimes found explainable by the above consideration. At last, several grades of carbide have been examined experimentally in respect to the occurrence of the thermal crack.

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