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METHOD FOR PRODUCING ALUMINUM ALLOY-MADE DIE-FORGED PRODUCT, AND ALUMINUM ALLOY-MADE PREFORMED ARTICLE FOR WARM DIE-FORGING
METHOD FOR PRODUCING ALUMINUM ALLOY-MADE DIE-FORGED PRODUCT, AND ALUMINUM ALLOY-MADE PREFORMED ARTICLE FOR WARM DIE-FORGING
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机译:铝合金模锻产品的生产方法以及用于热模锻的铝合金预制件
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摘要
PROBLEM TO BE SOLVED: To reduce the generation of burr at the time of die-forging, to simultaneously make high-strengthening and fining of recrystallized grain in the die-forged product and further, to reduce the cost for die-forging.;SOLUTION: An aluminum alloy round blank 5 is heated and a cross-rolling work is applied at the warm temperature to this blank, and after obtaining a preformed article (shaft 6 with step) having a volume distribution resembled to the die-forged product, the warm die-forging is applied to the shaft 6 with step by loading the pressurizing force in the perpendicular direction to the axial direction in order to obtain the die-forged product (double-head piston 1 in a swash plate type compressor for air-conditioning). In the double-head piston 1, the large stress is introduced as the total by applying the cross-rolling work and the die-forging at the warm temperature.;COPYRIGHT: (C)2006,JPO&NCIPI
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