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Old 05-16-2017, 06:38 AM   #1 
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Get more informaiton of China die casting

China Die Casting is a method in which molten metal is pressed into a mold cavity under high pressure. The metal is hardened to obtain the desired shape. Recently, plastic molded parts have replaced die casting because they are cheaper and lighter than die-cast parts. The die casting may be performed using a cold chamber or a hot chamber process.
On Die Casting Process
Die casting is an extensive non-expendable technology in which metals are forced into the mold cavity under high pressure. Die casting molds known as molds can be reused to produce castings of various sizes, shapes, and wall thicknesses. The mold cavity design has a complex design that enables the production of complex shapes of precision, surface finish and attractiveness.
Die Casting History
Early in die-casting, only low-pressure injection methods were used, but currently over 4,500 pounds per square inch are cast using high-pressure casting techniques such as extrusion casting and semi-solid die casting. Initially, only tin and lead were the type of molds, but now magnesium, copper and other alloys are also cast using this very popular method.
Die Casting Process
In this process, the molten metal or other material is forced into the cavity of the steel mold under high pressure. The mold is a two-part mold made of alloy tool steel - a retainer mold half and an ejector mold half. The mold or mold is made of a stamp of the part to be cast. There are four types of molds:
A single chamber produces a component
Multiple cavities produce multiple identical parts
Unit molds produce different parts at once
Combining molds produces several different components for a component
Molten metal is injected into the mold at high pressure and high speed, which helps to produce castings that are as smooth and precise as the original mold. The pressure is maintained on the mold until the hot metal solidifies. When the metal is hardened, the mold is opened to remove the casting.
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