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Casting Performance

Shenzhen Jgoal Prototype Co.,Ltd | Updated: Jan 13, 2017

Theory of casting forming liquid metal forming are often referred to as casting, casting technology has a long history. Back more than 5,000 years ago, our ancestors cast copper and bronze products. Casting is the most widely used liquid metal forming technology. It is a liquid metal poured into the mold cavity, you cool it down after solidification, rough or certain shape parts.

Liquid forming in the machinery and equipment accounts for a large proportion, in machine tools, internal combustion engines, mining machinery, heavy machinery in the total weight of the liquid forming 70%~90%; 50%~70% in the automobiles, tractors; 40%~70% in the agricultural machinery. Liquid forming process can be so widely used is because it has the following advantages:

(1) can be built within the cavity, complex shape blank. Such as cabinet, bed, cylinder block, cylinder head, and so on.

(2) processing flexibility, adaptability. Liquid forming part of almost unlimited size, its weight from a few grams to hundreds of tons, its wall thickness from 0.5mm to 1M. Industries who can dissolve into the liquid metal can be used for liquid molding. Poor plastic iron, liquid molding is a unique method of producing its rough or parts.

(3) liquid formed at relatively low cost. Liquid can be direct by using waste parts and chips, and lower equipment costs. Meanwhile, liquid forming machining small, save metals.

However, the liquid metal forming processes, and it is difficult to control, making casting quality is not stable enough. Compared with the forging of the same materials, porous, coarse grains liquid forming organizations, internal

Susceptible to shrinkage and pine trees, holes and other defects. Its low mechanical properties. In addition, the intensity, the poor conditions. Excellent mechanical and physical properties, which can have a variety of strength, hardness and toughness properties can also combine one or more specific properties, such as wear resistance, high and low temperature resistance, corrosion resistance, etc.

Casting weights and size ranges are very wide, weighing only a few grams lighter, weighing up to 400 tons, only the thinnest wall thickness 0.5 mm in thickness more than 1 m, the length can be from a few millimeters to more than 10 m, could meet the requirements of different industrial sectors.