Centrifugal Casting | Centrifuging Process | Centrifugal casting Types

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Centrifugal Casting: Centrifugal casting is done by pouring molten metal into a rotating mould. The centrifugal force acting on the mould helps in feeding and positioning the metal in the mould. Mould rotation is continued till after the metal is solidified. Centrifugal casting results in denser and cleaner metal as heavier metal is thrown to parts of the mould away

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Die Casting | Pressure Die Casting | Aluminum Die Casting

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Die Casting: The die casting process uses steel dies into which metal is forced under pressure through a runner and gate to fill the dies. The pressure (70 to 5000 kg/cm2) is maintained while the casting solidifies after which the dies are separated, cores are withdrawn and the casting is ejected. Metals and alloys that are die cast include zinc,

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Permanent Mould Casting | Gravity Die Casting

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Permanent Mould Casting: Permanent mould casting, also sometimes called gravity die casting employs moulds which can be used more than once and hence are permanent. These moulds are usually made in more than one piece to facilitate removal of the finished casting. The mould is assembled; and held together by clamps, screws or toggles during pouring. In the assembled position

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Plaster Mould Casting | Plaster Molds For Ceramics | Ceramic Mould Casting

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Ceramic Mould Casting (or) Cope and Drag Investment Casting (or) Plaster Moulding The ceramic mould casting uses permanent patterns made of plaster, plastic, wood, metal or rubber and utilizes fine grain zircon and calcined, high-alumina mullite slurries for moulding. Ceramic mould casting method uses a ceramic slurry prepared by mixing fine grained refractory powders of Zircon (ZrSiO4), Alumina (Al2O3), Fused

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Investment Casting Process | Lost Wax Investment Casting | Investment Casting Foundry

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Investment Casting (or) Lost Wax Method A wax duplicate of the desired casting is created to be invested into a “Ceramic Slurry”. The slurry covered investment can be dipped into alternating coatings of sand and slurry until a suitable thickness of shell is achieved that can hold the molten metal after the investment is burnt out. The “Burn-Out” process requires

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Shell Mould Casting | Shell Casting Process | Shell Casting Materials

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Shell Moulding (or) Croning Shell Process Introduction Shell moulding is a process for producing simple or complex near net shape castings maintaining tight tolerances and a high degree of dimensional stability. Shell moulding is method for making high quality castings. Principle The process is based on the principle of capability of a thermosetting resin and sand mixture to assume the

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Special Casting Process | Special Casting Techniques | Special Casting Methods

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Introduction to Special Casting Process Now a day’s special Casting process has been developed to effect a saving time and expense to produce a better quality casts. In comparing to Sand Casting the main difference is, in this process do not in all cases require drying or Baking of moulds or cores or rapid hardening action takes place due to

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Coreless Induction Furnace | Induction Furnace Melting | Induction Furnace Basics

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Induction Furnace The principle of induction melting is that a high voltage electrical source from a primary coil induces a low voltage, high current in the metal or secondary coil. Induction heating is simply a method of transferring heat energy. Principles are: The principle of induction heating is based on the following two laws: 1. Electromagnetic induction 2. The joule

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Electric Arc Furnace Process | Electric Arc Furnace Steel Making | Carbon Arc Furnace

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Electric-arc furnaces Electric arc furnaces are used for melting of steel. Direct arc electric furnaces are very popular for the melting of alloy steels and range in size from a few kilograms, for laboratory units, to in excess of 100 tonnes per batch. Typically units found in foundries are in the range of 1 to 10 tonnes. The furnace generally

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Crucible Melting Furnace | Metal Melting Furnace | Tilting Crucible Furnace

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Crucible furnaces These furnaces melt the metal without direct contact with a burning fuel mixture. For this reason, they are sometimes called indirect fuel-fired furnaces. Crucible furnaces are mostly used for melting non ferrous metals and alloys. The metal is melted in a crucible which is a refractory vessel made of silicon carbide, Graphite or some other refractory material. Three

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