Effects of the Controlled Shear Angle on the Metal Cutting Process

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Other Title
  • 二次元切削におけるせん断角拘束の効果
  • Study of Controlled Shear Angle Cutting (1st Report)
  • せん断角抱束切削に関する基礎的研究(第1報)

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Description

This paper describes the effects of the artificially controlled shear angle on the metal cutting process. From the experiments in which commercially pure lead is cut with various controlled shear angles, constant cutting speed, and depth, and various rake angles, the following results were obtained.<BR>(1) Taking rake angle (α) as parameter and increasing the controlled shear angle (φ), the points (φ, β-α) move along a right convex curve on the φ vs β-α plane on which critical points giving a minimum value of cutting force (Fc, min), lie in the vicinity of Merchant's Line.<BR>(2) The variation of φ does not influence the friction force on the rake face (CF), and the angle which gives a minimum cutting force (Fc min) gives a maximum value of coefficient of friction on the rake face.<BR>(3) Hydrostatic pressure on the shear plane increases with the increase of φ, and does not influence the shear stress on it.<BR>(4) It has been confirmed either the shear plane model does not agree with the cutting mechanics for low cutting speed or the angle φ is such that the total cutting power is not minimum.

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Details 詳細情報について

  • CRID
    1390282679708302592
  • NII Article ID
    130003960668
  • DOI
    10.2493/jjspe1933.37.701
  • ISSN
    03743543
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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