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Casting performance
Aug 28, 2017

Casting forming the theory of metal liquid molding is often called casting, casting forming technology has a long history. As early as 5000 years ago, our ancestors will be able to cast red copper and bronze products. Casting is the most widely used metal liquid forming process. It is the liquid metal poured into the mold cavity, to be cooled after solidification, access to a certain shape of the blank or parts of the method.

In the machine equipment, the proportion of liquid molding is very large, in the machine, internal combustion engine, mining machinery, heavy machinery in the liquid forming parts of the total weight of 70% to 90%; in the car, tractors accounted for 50% to 70%; Agricultural machinery accounted for 40% to 70%. Liquid forming process can be so widely used because it has the following advantages:

(1) can create a cavity, the shape is very complex blank. Such as a variety of boxes, machine bed, cylinder block, cylinder head and so on.

(2) process flexibility, wide adaptability. The size of the liquid molding is almost unlimited, its weight can be from a few grams to several hundred tons, the wall thickness can be from 0.5mm to 1m or so. Industrial can be dissolved into liquid metal materials can be used for liquid molding. For poorly castable cast iron, liquid molding is the only way to produce its blanks or parts.

(3) the cost of liquid molding is low. Liquid molding can be directly used waste parts and chips, equipment, low cost. At the same time, liquid forming parts processing margin is small, saving metal.


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