Experimental study for tube end spinning (Report 3) : investigation of the behavior of the relief area on the face of shaping die

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  • 管端スピニング加工に関する研究　第3報 : ダイスに設けた溝の有意性について
  • 管端スピニング加工に関する研究-3-ダイスに設けた溝の有意性について
  • カン タン スピニング カコウ ニ カンスル ケンキュウ 3 ダイス ニ モウケタ ミゾ ノ ユウイセイ ニ ツイテ

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Abstract

The behavior of the relief area on the face of shaping die for the tube end spinning process was investigated by the method of using wire atrain gauges attached on circumferential and radius directions. By the results, the stock was effected by the alternative compressive and tensile stress on circumferencial and radius direction, also was so efficiently affected by the shape of the relief area. The cause of the fracture during spinning process was due to the strain-rate dependence of the relief area.

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