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Marc Investment Castings

Way No.7, sarurpur Indl Area, Sohna Road , Ballabhgarh, Faridabad,Haryana (India)



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Investment Process

The process uses wax patterns assembled in the form of a runner.The complete assembly coated with ceramic slurry allowed to dry and then heated to melt out the wax leaving the ceramic mould into which molten alloy is poured.

The molten loss wax process involves the following stages:

Products drawing is developed with the help of CAD and based on the drawing, the dies are developed from mild steel or aluminum material.

Molten wax is injected into the mould under pressure using wax injection press and gets a perfect copy of the original. Multiple wax patterns are then mounted around a stem of wax to create a "tree".

Plaster type slurry is coated number of times on these trees which sets solid on the wax patterns.Then the trees are heated to melt out the wax inside the cavities.

After proper de-waxing and cooling process, the shells are ready to receive molten to formulate the original casting.

The required material is melted in induction furnace and the molten material poured into the preheated shells. Online chemical analysis with "Spectrometer" is to be carried out for each and every batch of molten metal. After proper cooling the shell is removed and castings are cut out of from the trees and taken up for fettling, heat treatment, shot blasting, inspections, packing and dispatch.