木材切削における工具すくい面の応力分布および摩耗係数に及ぼす気乾容積重の影響

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  • Effects of Specific Gravity in Air Dry upon Stress Distribution and Frictional Coefficient at Interface between Tool and Chip in Wood Cutting
  • モクザイ セッサク ニ オケル コウグ スクイメン ノ オウリョク ブンプ オ

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In the wood cutting process, it is important to obtain the actual stress distribution on the rake face during cutting and to investigate the changes in stress distribution and frictional coefficient with workpiece condition. In order to obtain quantitative information on them, the basic orthogonal cutting tests were performed using the same conventional and composite tools as used in the previous reports3)4). The results obtained are summarized as follows:<br>(1) The distributions of the frictional stress (τ) and normal stress (σ) on the rake face can be expressed by Eq. (7).<br>(2) On the basis of the experimental results (Eqs. (1), (3) and (5), Figs. 4 and 5), the ratio of the cutting force on the tool face near the edge to the total force can be calculated from Eq. (8), and the values are shown in Table II.<br>(3) The frictional coefficients (μ2) on the rake face can be expressed by Eq. (9). On the rake face, μ2 can be considered to be constant, and the values of μ2 are shown in comparison with the other frictional coefficients, in Table III.

収録刊行物

  • 材料

    材料 28 (310), 597-602, 1979

    公益社団法人 日本材料学会

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