Die Casting Advantages And Disadvantages
PART – 1
Chapter – 1
Die Casting
The term Die casting indicates to a process of casting metal which can be described as the forcing of molten metal into a mold cavity under high pressure. The empty space, or cavity, inside the mold is made by using a pair of hardened tool steel dies. They have been machined so that they get into shape and they work in the same way as an injection mold works when the process is running. Most of the die castings are created from non ferrous metals, particularly Zinc, Aluminum, Copper, Magnesium, Titanium, Pewter, Lead, and Tin based metal alloys. Based on the type of the metal which is being casted, either a hot chamber machine or a cold chamber machine can be used according to the task.
The tools required for casting process and the metal dies stand for large amounts of capital expenses and this will tend to put limitations on the process against the production in a high volume. Manufacturing of different parts using the die casting system is comparatively much simpler, and it involves only four principal steps. This helps to keep the cost per item to a low level. It is particularly well matched for a huge amount of small to medium size castings. This is why the die casting process creates more castings in comparison to the other casting processes. Die castings can be identified by a surface finishing, which is very good according to the standards of casting. It also has a consistency of the casting work in relation to the dimensions.
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