Pressure on the casting molding is generally not, on the strength of the equipment and mold requirement is not high, the products size limit is small, low internal stress in the products.Accordingly, production with less investment, good performance can be obtained from large parts, but a longer production cycle, after forming on mechanical processing.On the basis of traditional casting, derive perfusion, potting, pressure casting, such as rotating casting and centrifugal casting method. 1) perfusion.Differences between this method and casting casting namely by the mold out of finished products;And when filling mold is a part of the product itself. (2) the potting.Puts all kinds of plastic parts inside the mold cavity, with the injection of liquid solidified material, coating in it.
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