The effect of revend con ede and length of Plug on nstalnt nd elimination of distortion of internal spi-ral ribs is theoretically analysed. Metheds of the Plug in rifled tubes drawing and a uniform-Pitch Plug with a c...The effect of revend con ede and length of Plug on nstalnt nd elimination of distortion of internal spi-ral ribs is theoretically analysed. Metheds of the Plug in rifled tubes drawing and a uniform-Pitch Plug with a certainreversed cone angle is proposed for drawing rifled tubes.展开更多
文摘The effect of revend con ede and length of Plug on nstalnt nd elimination of distortion of internal spi-ral ribs is theoretically analysed. Metheds of the Plug in rifled tubes drawing and a uniform-Pitch Plug with a certainreversed cone angle is proposed for drawing rifled tubes.