Investment Casting

Investment casting is recognized as one of the oldest metal casting method in the world industry which belongs to the process that is based on lost wax investment casting method.

For thousands of years, investment castings and precision investment casting processes were used to form precision molds all over the world industrial and craft applications for different kinds of works. According to the historical record, the first form archeologist has found was based on the beeswax for the formation of patterns. The pattern formed is for the purpose of casting processes. This was the old way but very accurate and convenient to do.


Investment Castings Today

Due to its great productivity and industrial usages, investment casting process is still used by many industrial users now. This method can bring the optimal work piece components with great repeatability rates, accuracy level, and versatile flexibility. The integrated benefits of this method make investment casting process popular so far in the metal working industry for high performance alloy materials. There are mainly four benefits commonly recognized in the industry regarding the investment castings nowadays with modern technology. They are flexible design, assembly process reduction, detail casting capacity, and of course the cost down benefit to business owners.

For flexible design, the investment castings are able to manufacture precision details with great dimensional accuracy that is hard to be achieved by other casting methods under the same budget. Secondly, for assembly process reduction, the investment casting process can do a lot as several components can be made as one casting object, which reduce the costs of handling, inspection, assembly, etc. Thirdly, for detail casting capacity, it is very convenient for users since the investment castings can cast objects with fine details such as holes, bosses, splines, lettering, threads, etc. This feature is hardly seen on other casting methods as all other alternative methods with the same budget level can hardly achieve this outcome.

Last but not the least, is about money. For cost down benefits, business owners using this method can save a lot of resources such as energy, money, and processing steps. So it is widely recognized that investment castings are the optimum casting methods in the casting sector. 


Mineral Casting by Investment Castings

Mineral casting conducted by investment casting is also considered polymer-bonded mineral casting, which is a construction and design material with enormous potential. During the operation of casting, selected minerals and a low proportion of epoxy resin-based binding agent form the basis for a high performance casting materials for a wide range of technical and artistic applications. Different from iron casting, this is a metalworking process that produces a group of iron-carbon alloys with carbon content greater than a certain level of percentage. The alloy constituents affect its color when fractured, that is, white cast iron has a carbide impurity which permits cracks to pass straight through, grey cast iron has graphite flakes which deflect a passing crack, and this will initiate countless new cracks if the material breaks. 


Iron Casting by Investment Castings

Iron casting can also be referred to as cast iron. Together with the investment casting method, these two elements are the most ancient cast metal combos in the human development history that drove the humanity towards progressions in civilization. Investment casting of iron is a metalworking process that produces a group of iron based work pieces. Iron-carbon alloys with carbon content greater than 2% is a conventional iron casting products.

The usefulness of iron casting derives from its relatively low melting temperature. The alloy constituents affect its color when fractured as well as the mineral casting we mentioned. Fractures with different colors indicate different conditions and the mutations, and onsite operators are requested to know how to deal with those conditions on time in order to solve the essential issues. 


Ductile Casting by Investment Castings

In the field of investment castings, ductile castings are often to be ductile iron investment casting applications. Normally, ductile iron is also called as ductile cast iron, which is a type of graphite rich cast iron product which was discovered in the year 1943. Regarding the tension issues, while most varieties of cast iron are weak in tension and brittle, ductile iron has much more impact and fatigue resistance value, thanks to its nodular graphite inclusions make the best usages.

Different from traditional iron casting, ductile casting is a metalworking process that produces a group of iron-carbon alloys with carbon content greater than a certain level of percentage. Its value derives from its relatively low melting temperature. Ductile casting technology is widely applied in the industry worldwide and many of the industrial insiders recognize this as the ideal way to form the cast of their ideal items. That is, ductile iron is not a single material, but rather, it is a part of a group of materials which can be produced with a wide range of properties via the control of their microstructure frame.

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