18-10-2010, 04:05 PM
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Welding
Welding is the process of joining together pieces of metal or metallic parts by bringing them into intimate proximity and heating the place of content to a state of fusion or plasticity
following are the key features of welding:
The welding structures are normally lighter than riveted or bolted structures.
The welding joints provide maximum efficiency, which is not possible in other type of joints.
The addition and alterations can be easily made in the existing structure.
A welded joint has a great strength.
The welding provides very rigid joints.
The process of welding takes less time than other type of joints.
largely used in the following fields of engineering:
Manufacturing of machine tools, auto parts, cycle parts, etc.
Fabrication of farm machinery & equipment.
Fabrication of buildings, bridges & ships.
Construction of boilers, furnaces, railways, cars, aeroplanes, rockets and missiles.
Manufacturing of television sets, refrigerators, kitchen cabinets, etc.
