Die Casting Blog for Cast-Parts Aluminum Die Cast Parts and Zinc Die Cast Parts manufacturing and cast parts production

August 11, 2009

Zinc Alloy Die Casting Processes

Die Casting Processes with the Use of Zinc Alloy. Die casting is the process by which molten ferrous metal, e.g., zinc, magnesium, copper, lead, tin, aluminum, etc., are molded into cavities and placed under pressure to form. The method of die casting is ideal if the application needed is in large quantity and should be well-detailed and has fine quality. Zinc is a non-ferrous metal that is popularly used for die casting. This is due to the fact that zinc alloys have many characteristics that far exceed other metals. Zinc alloys have high strength and hardness, has high thermal and electrical conductivity, low cost, good finishing characteristics, outstanding fluidity, and excellent corrosion resistance among others.

In the zinc die casting process, two processes are involved, the hot chamber method and the cold chamber method. These two zinc die casting processes make use of various types of metal alloys during the production of parts in the zinc die casting process. The hot chamber method involves the process wherein a steel die is filled with a pool of molten metal, all the time maintaining pressure, until the metal hardens. The second process, the cold chamber method, involves the use of two separate chambers, first to melt, then to hold the melted zinc alloy before it is poured into a shot cylinder and afterwards inject them to the die casting die. Before, the metal alloys used in Zinc die casting processes are tin and lead. The zinc alloy however gained popularity and is now the first choice when it comes to die casting.

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6918 Beck Avenue
North Hollywood, CA. 91605
818-982-9386 Phone
Sales@Cast-Parts.com.

April 11, 2009

Zinc Alloys is the Best Way to Do It!

Filed under: Zinc Casting Parts — Tags: — admin @ 7:27 pm

Zinc Alloys is the Best Way to Do It!

Several metal alloys are being used in the manufacturing of parts using the die casting process. Among the very first metal alloys used in die casting of metal were tin and lead. However, several other metal alloys followed and came into use for die casting parts. Die casting zinc alloy #3 is one of the most popular zinc metal alloys. Zinc-based alloys are popular because they are among the easiest to die cast.

Die casting zinc alloy #3 and Die casting zinc alloy #5 have high ductility and excellent impact strength. This makes it possible to cast zinc alloys with thin walls. Zinc alloys also offer excellent surface smoothness that makes plating and painting easier. Any high quality zinc metal should be used in the formulation of alloys to ensure strength and dimensional stability of the alloy.

Zinc Die casting alloys involve two processes. The hot chamber method is the first method, which uses a pool of molten metal to harden the metal in the die and the cold chamber method which uses separate chambers to melt and hold melted metal before adding the zinc alloy and injecting them into the die casting die. The low melting point of zinc alloy gives it the flexibility to be used both in the hot chamber and the cold chamber die casting machines. This makes die casting zinc alloys among the most saleable in the market today, especially in the automotive industry.

Zinc alloy is also called commercially as Zamak alloy. Zamak is an acronym for zinc, aluminum, magnesium and copper, the four alloys in the conventional zinc group. Zinc alloy die casting technology has revolutionized from manufacturing simple shapes to more complex ones.

Cast Parts Die Casting Company
6918 Beck Avenue
North Hollywood, CA. 91605
818-982-9386 Phone * Sales@Cast-Parts.com.

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