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method for the manufacture of article using soul of sand and article produced by this, and structure of soul.
method for the manufacture of article using soul of sand and article produced by this, and structure of soul.
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机译:利用砂的灵魂制造物品的方法和由此生产的物品以及灵魂的结构。
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摘要
A casting is produced using a non-sand plastic core. The plastic core is made of a thermoplastic resin and set in a casting mold so as to form a cavity in the casting mold. A molten metal such as aluminum is poured under pressure into the cavity to form the casting (product). The plastic core maintains its initial shape during casting. The remaining heat of the casting or the solidifying metal causes the plastic core to melt after the casting so that the molten plastic core is easily removed.
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