ＮＣルータ加工における切削面粗さの解析　木質素材の繊維走行性の影響

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  • Analysis of Roughness of Cutting Surface with NC Router. Influence of Grain Direction in Solid Wood.
  • NC ルータ カコウ ニ オケル セッサクメン アラサ ノ カイセキ モクシツ

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In this paper we describes the machined surface of the solid wood using NC router and estimated the machined surface by the texture analysis. The machined surface of solid wood was examined with the surface tester. Then the result showed that the value of the surface roughness is affected by grain direction, cutting speed and depth of cut. And the angle of grain direction is obtained using the disital signal processing (2-dimensional FFT). The machined surface can be calculated by relationship between the grain direction and the surface roughness. By this method, the machined surface along the cutter path of NC router, is estimated In order to estimate the machined surface as regard any angle of grain direction, the route of tool was made rotated. According to select the most suitable angle of grain direction, the integration of the surface roughness on route is minimum and the smooth surface is obtained.

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