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Investment Casting Foundry

 

INVESTMENT CASTING FOUNDRY- ALL YOU NEED TO KNOW

Engineering industry is a lot like the sea, never ending and there is always more to explore. One such heavily used engineering component production process is the investment casting foundry. To give you a better understanding of what investment casting foundry means, let’s begin by knowing what is investment in this case. It traditionally means to be enclosed or fully clad.  And casting means surrounding a part with ceramic or plaster around a pre-set wax mould. The uses of investment casting foundry are unlimited. Nevertheless, it is most used in the aviation sector, power cohorts, weapons, automobile, energy and obviously commercial industries.
 
Machine components that require investment casting foundry parts have very specific needs. It is the perfect option for components of complex geometrical shapes that require thin walls, superior surface finish, and higher forbearance. The latest and most modern technology to produce investment casting foundry part is called the “lost-wax method.”
 
Lost Wax Casting is a process of manufacturing investment casting foundry in which molten metal is poured into a mould made of the wax model. Once the mould is ready, the wax model is melted and drained away. This is then followed by detailed finishing practices. Considering the many benefits of steel investment casting, it makes it a preferred choice for many machine manufacturers.  To fabricate an investment casting foundry, the most basic requirement is a modern manufacturing plant wherein the entire production process is in house. This assures that there is minute attention to every aspect of producing an investment casting foundry.  To be able to provide swift delivery in the shortest possible lead time, it is imperative that the entire production process happens in house. 

To have a better understanding of an investment casting foundry component, let us recognize its major properties:

  • Any investment casting foundry component has high shape tolerance. It can be moulded into complex and intricate shapes. There is a substantial liberty to create various shapes and sizes.
  • The dimensional tolerance of an investment casting foundry is very tight and accurate. The maximum variation that you can find is that of .005 inches give or take.
  • Investment casting foundry components are known for their excellent surface finishing that is achieved using ceramic moulds.
  • The beauty of an investment casting foundry component is that it can be moulded using any metal, namely bronze, aluminium. But stainless steel remains the most preferred choice.
  • The production process of an investment casting foundry is so defined that generally there is no additional machining required post production.
  • Saving the best for the last, lost wax method that is used in manufacturing an investment casting foundry is cheaper than any other metal moulding process.
  • MOULD PREPARATION: This is where the process of manufacturing an investment casting foundry begins. The wax injection technique is applied to create a mould.
  • CERAMIC COATING: This is done to achieve uniformity. The mould is left to dry after being dipped in the coating.
  • DE-WAXING: After undergoing de-waxing, hot molten metal is then poured. The metal is then completely analysed using a spectrometer
  • KNOCK-OUT PROCESS: Once the mould cools down, the ceramic shells that comprised of the mould are broken during this process.
  • FINISHING: Finishing is achieved through a procedure known as fettling. The metal is then cleaned and polished by the shot blasting method.
  • QUALITY & ANALYSIS: Various tests are undertaken before the packaging stage-
  1. Tensile & Lean test by Universal testing machine.
  2. Hardness is tested by Hardness testing machine
  3. Impact joules by Impact testing machines.

PACKAGING: The investment casting foundry moulds need to be packed with utmost care considering the mode of transportation and travel time.Standard manufacturing practise of an investment casting foundry goes through the following steps to get the finest end results:
Rajkot a city in the state of Gujarat in India is the manufacturing hub of casting components. It is a favourable location considering its access to international sea port. Sumangal Castings Pvt. Ltd, part of a conglomerate – Sumangal Group which is one of the leading manufacturers of investment casting foundry and also one of the pioneers of investment casting foundry in India. And hence makes them the best option to consider for your investment casting foundry needs.
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