Development of an arc welding machine using pneumatic control

Mechanical Engineering

The main aim of project is to fabricate the automatic welding machine. Welding is a fabrication process that joins materials, usually metals or thermoplastics. This is often done by melting the work pieces and adding a filler material to form a pool of molten material that cools to become a strong joint, with pressure sometimes used in conjunction with heat, or by itself, to produce the weld. A compressor is used to compress the air and it is passed to the solenoid valve. This solenoid valve controls the direction of flow of air to the cylinder. This pressurized air is actuating the piston rod to forward and return position. At the of piston rod the welding rod is fixed. This welding rod makes forward motion and reverse motion in order to make or weld the two different plates.

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