Company Profile
The Mould prepared by making a pattern using wax, as it needs to be later melted away. The wax pattern is then dipped in refractory slurry that coats the wax pattern and forms a camouflage, followed by a drying process. The entire process of dipping in the slurry and dry is repeated until a full-bodied thickness is accomplished to get strength to withstand the thrust of the molten metal. After this, the entire prototype is placed in a furnace to melt away the wax ( Therefore the name 'Lost Wax Process' ) Thus, a Mould, also called as a Cast is created which can then be filled with the molten metal. Since the Cast is fashioned around a one-iece prototype, (which does not have to be pulled out from the Cast as in a traditional sand casting process), very intricate parts and undercuts can be achieved.Prior to the pouring of the molten metal, the Mould is pre-heated to about 1000 ºC (1832 ºF) to remove any residues of wax.
The Manufacturing Process
Investment Casting, also widely known as the 'Lost Wax Process', is supposedly the most ancient mode of manufacturing metal parts. As old as about 5000 years ago, in the time of the Pharaohs, it was used by the Egyptians to make gold jewellery ( Therefore the name'Investment').
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