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Permanent mold casting. Permanent mold casting is a metal casting process that employs reusable molds ("permanent molds"), usually made from metal. The most common process uses gravity to fill the mold, however gas pressure or a vacuum are also used. A variation on the typical gravity casting process, called slush casting, produces hollow castings.
Permanent mold casting is a metal casting process that employs reusable molds ("permanent molds"), usually made from metal. The most common process uses gravity to fill the mold. However, gas pressure or a vacuum are also used. A variation on the typical gravity casting process, called slush casting, produces hollow castings.
The molten metal spreads along the inside mold wall, where it solidifies after cooling. The casting is usually a fine-grained casting with an especially fine-grained outer diameter, due to the rapid cooling at the surface of the mold. Lighter impurities and inclusions move towards the inside diameter and can be machined away following the casting.
It manufactures castings for aircraft engines, industrial gas turbine engines, airframes, medical implants, armament, unmanned aerial vehicles, and other industrial applications. They are the market leader in manufacturing large, complex, structural investment castings and the leading manufacturer of airfoil investment castings used in jet ...
Permanent mold casting – Metal casting process that employs reusable molds; Rapid casting – Use of 3D printing to create disposable patterns; Sand casting – Metal casting process using sand as the mold material; Slip casting – Technique for forming pottery; Squeeze casting – Casting method that applies very high pressure to the ...
Investment casting is so named because the process invests (surrounds) the pattern with refractory material to make a mould, and a molten substance is cast into the mold. Materials that can be cast include stainless steel alloys, brass, aluminium, carbon steel and glass.