Die Casting

Every day in our lives we use die casting materialregarding to the pressure and checking of any
but are completely oblivious to the process that isdefects in the mold. Once the cavity is filled then
in place. Thousands of manufactures use this diethe pressure is maintained until the casting has
casting to come up with daily items such as toysbecome solid (though this period is usually made
for children and even equipments that change ourshort as possible by water cooling the mold).
very method of working. Die casting has certainlyThere are also different ways of cooling the mold
provided the human race with a plethora ofwater cooling being one of them. It typically takes
products that are incorporated into majora lengthy amount of time to cool down the molds
appliances and automobile industry.if left simply to nature. In order to expedite the
Conceptually, casting is a manufacturing processend product, different cooling techniques are used.
and requires articulate calculations to create theFinally, the die is opened and the casting is
required outputs. This process injects liquidejected. This is the entire process of the die
material into different moulds to solidify the mould.casting procedures.
The amalgamation results in different fabricatedThe clamping efficiency defines the quality of the
parts. The primal benefit of casting process allowsmachines that are used in the die casting
manufactures to create specific parts that aremanufacturing process. Typical sizes of the die
not economically feasible to create on the generalcasting machines range from 100 to 4,000 tons.
assembly line. Million of parts that are made via dieAlong with the massive weights also comes a
casting process could not have been achievedgigantic size associated with the machines.
otherwise since the cost of producing certainMajority of the machines can be as large as
items are not economical or even productionregular home sizes in any city of the world.
possible. Any form of casting is a labor intensiveIrrespective of size, there are primarily two types
process that requires a specific skill set. Allof categories of die casting machinery. One is the
processes from temperature building, quantity andhot chamber machines for zinc, magnesium and
quality of the liquid to be injected, form and shapelower melting-point metals and the other is the
of the mould, to the coolness technique of thecold chamber machines for aluminum ( ) and
output products all require specific skill sets.higher melting-point metals. A die casting machine
Without an accomplished team, it become veryautomatically opens and closes the mold and
difficult for die casting manufactures to deliveryinjects the liquid metal, all under high pressure and
quality products.as rapidly as possible, in the case of zinc up to
Die casting is a similar process in which moltenseveral hundred times an hour. This time line is
metal is put under high pressure into the cavitiesalso dependent upon the machinery features and
of steel molds. The molds are called dies. The diesthe vendor. Extensive research and work has
also come in different shapes and varieties intaken place to hone the die casting manufacturing
properties. Die casting process is heavily used inmachine features and make it more simple and
the automotive industry to create different bodycost effective both in terms of pricing and
parts. Australia’s auto industry supports aproductivity. There are several key milestones
large local die casting business, manufacturingthat all die manufactures are looking anxiously to
parts that include cylinders, pistons and enginereduce. Time to produce the end product,
sumps etc. A very similar growing industry alsominimize quantity of goods used in the entire
flourishes in Korea as well since Korea is home toprocess and enhance the overall skill set of
a large number of automotive manufactures. Dieindividuals are all the key elements that need
casting is one of the most efficient means ofimprovement. The anticipated reduction is
producing car parts since it is more feasible thanapproximately 30% - 40%, but the overall
the older versions of liquid casting and otherreduction is around 20% and that too in the
strenuous techniques. Die casting has allowed forhuman resource department. Engineers are now
the substantial growth in mass production ofbeing trained on specialized avenues in die casting
automotives as well as parts for airplanes andwhich helps in reducing the overall human
trains as well.resources required.
Flourishing economies of scale also come with itsOne of the ongoing challenges with die casting is
price and challenges. Mergers and alliances are nowdetecting surface and sub surface defects within
a common practice in die casting manufacturingspecific timelines. Defects and variances in the final
countries to streamline and hone processes toproducts are still on the high end. Due to the high
cater to the booming economy and massnumber of defects and variance, a large amount
productivity requirements. The die process entailsof raw material is lost and put forth as waste.
four major steps that are required to be followedVendors have realized this gap in identifying the
sequentially. The first step is to spray the molddefects and variances during the process. Fully
with any form of lubricant and then close theautomatic machines are now being manufactured
mould. Different lubricants are used as per theto cater to this ongoing challenge. A fully
requirement of the finished good. There areautomatic fault detecting machine named CAST
several benefits of using lubricant in the process.vision has been produced and a prototype
The lubricant both helps control the temperatureprocess is in place for extended in-plant on-line
of the die and it also assists in the removal of thetrials. This is the third year of this project and it is
casting. Effective lubricant can be thegiving good results. The result of algorithm which
differentiator factor of average versus customerwas designed and developed in 2nd year has been
centric products. Molten metal is then injected intoput to test now. By prototyping the CAST team
the die under high pressure. The high pressurehad designed and developed a working system
assures a casting as precise and as smooth asCAST vision. This can discriminate between good
the mold. This stage requires extreme caution inand defective parts.