定湯面保持炉を用いた低圧鋳造法によるアルミニウム合金鋳物の品質・生産性の向上

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タイトル別名
  • High Quality and High Productivity Aluminum Alloy Casting by Special Low-pressure Diecasting Process
  • テイユメン ホジロ オ モチイタ テイアツ チュウゾウホウ ニ ヨル アルミニウム ゴウキン イモノ ノ ヒンシツ セイサンセイ ノ コウジョウ

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抄録

Low-pressure diecasting process is widely employed as a manufacturing method for cylinder heads and aluminum wheels. This method suffers from drawbacks such as low productivity, difficulty in controlling conditions, and limited freedom of gate design. Moreover, the rising complexity of products means that the required degree of difficulty involved in manufacturing is increasing, while also requiring high levels of quality and productivity. Conventional technology is not sufficient to overcome such problems and suffers from low cost competitiveness. To resolve these problems, we conducted analysis of a number of technologies from the ground up, including molten metal treatment, pressurization control, die cooling system, and gate design, and significantly revised basic plans for the casting machine, holding furnace, and die design in development of a special low-pressure diecasting method. This method combines quality characterized by rapidly inject molten metal under stable temperature conditions and constant pressure casting, and cost competitiveness in terms of productivity.

収録刊行物

  • 鋳造工学

    鋳造工学 82 (7), 439-445, 2010

    公益社団法人 日本鋳造工学会

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