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Investment Casting Supplier

Your search for finding the best investment casting supplier that can offer you the best deals ends on Sumangal Casting Pvt. Ltd.

We are the leading Investment casting supplier and manufacturer in India and we supply investment casting products worldwide. You can also get expert consultation from us. Our consultation starts right from the idea to implementation covering all the important points like quality, reliability, and certainty.

We deliver our casting orders in the shortest lead time. Our modern manufacturing plant is well equipped to manufacture a whole range of investment castings.

We not only manufacture high-quality engineering metal components but also supply them to our national and international clients.

Our advanced investment castings manufacturing plant allows us to produce products based on various industries. High-quality products are made in speed time and metal casts are made by using advanced investment casting methods.

Being an advanced investment casting manufacturing unit and supplier of investment casting products, we solely focus on delivering products of unmatched quality, cost-effective, and in a short lead-time, to serve our customers in the best way possible.

Our manufacturing unit complies with the most stringent and highest industry standards for producing casting products.

Investment casting process

Here’s a brief of the casting process conducted in our manufacturing unit -

Investment casting is in a lot of ways similar to lost-wax casting and it is an old metal making process to duplicate the features of the original sculpture and then cast multiple identical metal parts that are an identical match to the sample metal part.

Intricate detailing and designing are achieved successfully through the process.

An original wax model similar to the sample metal part is made and then mold making is required. An outer rigid mold is prepared by dipping the wax pattern in ceramic slurry plus sand-like stucco.

Dipping in the slurry is repeated multiple times to attain the desired thickness of the shell. This outer mold is the exact negative of the original wax pattern.



This wax and mold assembly are spruced with a tree-like structure. The shell-coated wax assembly gets hardened and then the wax is melted out of it by heating the assembly.

The shell is cooled and tested to check if it contains any cracks in it, the cracks are filled with a thick paste.

Reheating of the shell helps in removing traces of moisture from it. Then the hot and melted metal is poured in the preheated shell carefully.

The shell is blasted away to release the rough metal cast and the spurs are cut off from it to reuse in another investment casting process.

The metal cast is chased and the process of chasing removes all signs of casting from the metal surface.
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