Cutting characteristics on slotting of endmill.

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  • エンドミルの溝削りにおける切削特性
  • エンドミル ノ ミゾケズリ ニ オケル セッサク トクセイ

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Abstract

Cutting characteristics on slotting of endmill, that is the most complicated cutting method of milling, are examined experimentally. From the precise measurements of cutting resistance variation and surface roughness in one cutting cycle, it is clarified that table feed direction force does not change the direction at 90°of rotating angle of cutting edge which is the turning point between up-cut milling and down-cut milling, but changes the direction at about 120° of rotating angle of cutting edge and surface roughness changes into four stages in one cutting cycle. Moreover, it is clarified that transient up-cut milling region exists between 90° and about 120° of rotating angle of cutting edge.

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