Experimental study for tube end spinning (Report 1) : practical experiment of workability

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  • 管端スピニング加工に関する研究 (第1報) : 加工性に関する基礎的研究
  • 加工性に関する基礎的研究
  • カコウセイ ニ カンスル キソテキ ケンキュウ

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Abstract

Tube end spinning process has developed on the grounding of experiences in the work. This is the method of shaping tubular stock without the application of external heat during the shaping operation which consist in simultaneously relatively rotating the stock and a shaping tool about the axis of the tool while relatively moving the tool and the stock toward one another and while the stock is so heated by shaping tool with longitudinal relief area. Experimental results about torque, thrust and temperature are obtained by using several kinds of conical shape dies and copper tubes, are showing that the portion of relief area on the face of shaping die is so influence on the workability.

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