In this method, the heat is generated by an electric current passing between the consumable electrode (filler metal) and the work piece...

Submerged arc welding (SAW) is an arc welding process that uses a continuous consumable bare wire electrode. The arc shielding is...

This method is also known as Shielded Inert Gas Metal Arc (SIGMA) welding or Metal Inert Gas (MIG) welding or Gas Metal Arc Welding...

Tungsten Inert Gas (TIG) or Gas Tungsten Arc (GTA) welding is the arc welding process. In this welding arc is generated between non...

Oxy-acetylene welding will use for welding of wide selection of metals. Acetylene mixed with oxygen and then burnt under a controlled...

CLASSIFICATION : Surface defects Blow Scar Blister Drop Scab Penetration Buckle Internal defects Blow holes Porosity Pin holes Inclusion...

The liquid metal is injected into the mold under high pressure and allowed to solidify at the high pressure. It is common for Al, Zn and...

Shell mould casting method makes use of moulds made of relatively thin shells about 6 mm thick for casting. The shells are made from clay...

WORKING : The Iron Ore, Coke and Limestone, (the Charge), is conveyed to the top of the Furnace. The Charge is stored in Bells till the...

A cupola may be a vertical cylindrical furnace equipped with a tapping spout neat its base. Cupolas are used for melting cast irons. It...

The following tests are performed to judge the molding and casting characteristics Moisture content Clay content Test Fineness test...

In this method the sand molding mixture is hardened by blowing gas over the mold. This process is favored by hobby metal casters because...

It is a liquid state composite material fabrication method during which a dispersed particles like ceramic particles, short fibers are...

PATTERN : During the casting method pattern is that the primary tool . It’s the copy of the object to be created by the casting method...

It works on fundamental principle of centrifugal force on a rotating part. During this method a mould is rotated regarding its central...

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The investment casting method begins with the production of wax replicas of the specified castings. These replicas referred to as...

A Pattern is often made larger than final casting as a result of it carries certain allowances due to metallurgical and mechanical...

The following are the properties of mould sanding. Strength Permeability Grain size & shape Thermal stability Refractoriness...

Value engineering is the applications of exactly the same set of technique to a new product at the design stage, project concept or prelimin