アルミニウムの上向きおよび下向きフライス削り面性状に関する考察

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タイトル別名
  • Considerations on the characteristics of a machined surface of aluminum in up milling and down milling
  • アルミニウム ノ ウワムキ オヨビ シタムキ フライス ケズリメン セイジョウ

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抄録

Up and down milling test on annealed aluminum plates were carried out using a flycutter. The hardness of the deformed layer, compressive residual stress on and near the machined surface, surface roughness and maximum cutting resistance linearly increase with increase in feed per tooth. If the nose radius exceeds a certain limit in low speed cutting, the radius has a slight effect on the characteristics of the machined surface of the built-up edge. The hardness of the deformed layer and the cutting resistance increase and the surface roughness reduces with increase in the nose radius in high speed cutting. The residual stress distribution is nearly independent of the nose radius particularly in up milling. The up milling leads to a harder deformed layer. This is probably attributed to the difference of the fluidized layer near the machined surface. The down milling ensures more fine and favorable surface roughness and more of the residual stress.

収録刊行物

  • 軽金属

    軽金属 29 (8), 354-359, 1979

    一般社団法人 軽金属学会

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