In the metal working industry, metal casting is a very old technology in human history, and the oldest casting location in the record can be traced back to about 6,800 years ago. Metal casting is a production process in which liquid material is poured into a mold, which usually contains a hollow cavity of the desired shape, and then the poured liquid is solidified.
The solidified part is called a casting, and it is ejected or broken out off the mold to complete the casting process. Casting materials are usually metals or various time setting materials, which will be cured by mixing more than three or even more components, such as epoxy, concrete, plaster and clay. Casting is most commonly used to make complex shapes products, and these products are difficult or costly to make using other methods, such as cutting.
In the case of an aluminum casting procedure, aluminum casting can be achieved by a relatively simple and inexpensive method. And through casting, aluminum can be shaped into various forms for industrial purposes according to customer needs. Casting is the most widely used aluminum forming method. During die casting, molten aluminum is pressed into steel die or mold. In addition to aluminum castings, there are many other types of casting applications. Below, we will introduce some practical and commonly used type of casting cases.
The use of iron casting, or say, cast iron, is a metalworking process that can produce a group of iron-carbon alloys with carbon content greater than 2%. Its usefulness derives from its lower melting temperature. The alloy composition will affect its color when it breaks. White cast iron has carbide impurities, allowing cracks to pass directly, while gray cast iron has graphite flakes, which deflect the passing cracks and initiate countless new cracks as the material ruptures.
In industry, cast iron is a group of iron carbon alloys with carbon content greater than a certain percentage level. Its value comes from its lower melting temperature. The alloy composition will affect its color when it is broken, that is, white cast iron has carbide impurities which allow cracks to pass straight through.
On the other hand, the graphite flakes of gray cast iron will deflect cracks passing through and cause countless new cracks when the material breaks. In addition, ductile cast iron has spherical graphite nodules to prevent cracks from expanding, so it is considered practical in the market.
Mineral castings are also considered to be polymer-bonded mineral castings, which is a construction and design material with great potential. During the casting operation, selected minerals and a small amount of epoxy resin-based binding agent constitute high performance casting materials for various industrial and artistic purposes.
Unlike iron casting, this is a metal working technology that can produce a set of iron-carbon alloys with carbon content greater than a certain percentage level. Its practicality comes from its lower melting temperature. Moreover, the alloy composition will affect the color of the material when it is broken. So, white cast iron has carbide impurities, allowing cracks to pass directly, while gray cast iron has graphite flakes, which can deflect the passing cracks, which will cause countless new cracks. In the cast industry, cast iron is a group of iron carbon alloys whose carbon content is greater than a certain proportion.
Ductile iron is also called as ductile cast iron, which is a kind of graphite rich cast iron product that was discovered in 1943. Regarding the tension issue, although most cast iron varieties have weak tension and fragility, ductile cast iron has great advantages. Because of its nodular graphite inclusions, it has higher resistance of impact and fatigue. Unlike iron casting, this is a metalworking process that can produce a set of iron-carbon alloys with carbon content greater than a certain level. And the percentage value of the carbon content depends on its melting temperature.
Ductile casting technology has been widely used in industries all over the world, and people in industries believe that this is an ideal way to form the cast. Specifically, ductile iron is not a single component material, but a part of a group of materials. Through expert control of its microstructure, materials with a wide range of properties can be produced.
Many machine tool components are formed by casting, and they contribute a lot to the rigidity and stability of machine tool operation. The cast machine components include the base, tailstock, saddle and many more. They are processed carefully to provide machine operators with stable quality and work ability.
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