Prediction of Chip Formation and Cutting Forces in Oblique Cutting (1st Report)

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  • 傾斜切削における切りくず生成状態と切削抵抗の予測(第1報)
  • 傾斜切削における切りくず生成状態と切削抵抗の予測-1-上向きカールを伴う切削模型と2,3の予備的結果
  • ケイシャ セッサク ニ オケル キリクズ セイセイ ジョウタイ ト セッサク
  • A Cutting Model Involving Up-curl of the Chip and Preliminary Results
  • 上向きカールを伴う切削模型と二,三の予備的結果

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Abstract

Chip forms are affected by three factors being flow angle, side- and up-curl of the chip. A model of two-dimensional cutting, in which boundary of the chip and workpiece is constructed by two circular arcs, is proposed. Furthermore a model of oblique cutting is developed for predicting the chip formation and cutting forces. In the model it is assumed that the deformation in the plane normal to the cutting edge takes place as the same in the model of two-dimensional cutting, and translational velocity is considered for explaining the direction of chip flow. The model permits the existence over a wide range of shear angles. For oblique cutting one situation having a radius of up-curl of the chip is determined as the situation to be realized by minimizing the rate of energy consumption.

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