Different types of Welding

Different types of Welding:

There are two main different types of welding's are used to joint different metals at different conditions.
1) Pressure Welding
2) Fusion Welding

1) Pressure Welding:

In this type of welding, the metal joined by heating and applying the external pressure.

2) Fusion Welding:

In this welding, the weld metal is heated first and making it to solidifying after joining both metals.

Different types of Welding:

Arc Welding: There are different types in it like. Carbon Arc, Plasma Arc, Stud Welding, Gas Metal Arc, Electro gas welding, Gas tungsten arc, Metal arc welding.

Gas welding: Oxy-gas fuel welding, Hot pressure welding, Air acetylene welding.

Thermo Chemical welding: Atomic hydrogen welding, pressure thermit welding, Thermit welding.

Resistance Welding: Spot welding, Seam welding, Projection Welding, Resistance butt welding, Flash butt welding.

Solid State welding process: Ultrasonic welding, forge welding, Friction welding, Cold pressure welding, Diffusion bonding, Explosive welding.

Radiant energy welding: Laser welding, Electron beam welding.

Metal Arc Welding:

This type of welding done by heating workpiece using an electric arc. this is process is done by placing it in between the flux coated electrode and workpiece.
In this type of welding, the metal gets heated by the arc struck which is placed in between the coated electrode and workpiece.
The work is done at the joining place by the metal droplets which is transferred from the electrode and this is deposited along the welding point.
In this fluxing is used to prevent the weld and used to stabilizes the arc.
In this welding, we can use A.C or D.C, but A.C is more preferable.

Plasma arc welding:

State of matter is called plasma. The plasma gas is formed by help of pure argon sending it to the inner orifice surrounding which is Tungsten electrode.
This welding is similar to TIG welding due to the use of non-consumable tungsten electrode and argon as the shielding gas.
It is a good conductor of electricity due to the gas is ionized. In this arc, the temperature is developed up to 11000Degrees.
To protect the weld metal there is a flow of a large amount of inert shielding gas flow. this is due to the high temperature produced at the arc starting.

Classification of welding Electrode

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