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

Using Aluminum Die Castings
Aluminum Die Castings can go a long way in helping manufacturers meet their requirements and bulk orders for aluminium parts. This manufacturing process allows for faster, easier and more efficient way of making the parts needed for certain products such as lighting fixtures, car parts, aircraft brackets, handles, heat sinks and amplifiers among other things. Aluminum Die Castings can accommodate both low and high quantity requirements for small and medium sized parts. Although there are limitations with this process, it still proves to be very useful in most industries today.
Now, why use aluminium in die casting? Actually, most other non ferrous and some ferrous metals can also be used in die casting, however aluminium has gained more popularity and is in higher demand. This is because it can be handled easily, it is cheaper than most metals and it is ideal to use as parts in other cases because of its characteristics. It is very strong, durable, flexible and light.
So, how does Aluminum Die Castings work? Well, first the aluminium will be melted into liquid. This is done by exposing the aluminium bars into intense heating in furnaces. After a while, the metal becomes liquid and then it can be injected into moulds. These moulds have unique crevices which will be filled by the liquid metal. To make sure that it gets into every inch of the mould, pressure of up to 30,000 PSI is applied on the mould. This will give the liquid metal its new shape. Once it cools down, the moulds are opened and the liquid has hardened, a few refinements and the product or part is finished.

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The Basics of Cold Chamber Die Castings
Cold chamber die castings are a process of die casting that use, instead of a hot chamber, a cold one. When starting the process, the molten metal is taken from the crucible and then inserted into a shot sleeve. Afterwards, a hydraulically operated plunger pushes the molten metal into the die. In order to minimize the shrinkage that usually occurs during silicification, as many material as possible is forced into the die cavity. Injection pressures usually have to reach over 10,000 psy or 70,000 KPa in order for the machine to function the way it should.
Cold chamber die castings are usually needed when the alloy is not eligible for use in hot-chamber machines for a variety of reasons. Such metals that require the cold chamber include aluminum, copper, zinc and magnesium alloys. Beforehand, the materials must be melted using a furnace. The problem with using cold chamber die castings is that the cycle time is a lot slower, since the molten metal needs to be transferred to the cold-chamber machine from the furnace.
When die casting, the dies needed are made out of steel because typical cast iron cannot take high pressures. This can serve as another setback to using the cold chamber, for the dies end up being very expensive, since steel is a costly metal. The dies can contain multiply cavities, or just one mold cavity, and there must be two dies – one for separation, and one for ejection of the final product. Many kinds of cold chamber machines are available with various features, but all of them function at maximum efficiency.

Cast Parts Company is a USA American Metal Casting Company
is a US source of metal castings. Click this link if you are looking for
Die Casting Part Prices.
look at this webpage
Die Casting Metal Alloys for material information.
This is where you find information on
High Pressure Casting Process. Follow Cast-Parts on Twitter

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Contact:

Cast Parts Die Casting Company

818-982-9386

Sales@Cast-Parts.com