Principle of Butt or Welding
Butt welding is another type of electric resistant welding. The two weld metals are placed in a machine in face to face matching and both are clamped separately. These clamps are act as a electrode. These clamps are carry the current. The weld metals are matched correctly same axes and same line touching each other. Both weld metals are holding under pressure. The source current is given through the electrode to the weld metal and supply is continue until its reaching melting temperature. Previously load is applied to the metal and sufficient melting temperature, both are play master role for completed the butt weld.
During this welding process heavy current is required.
Sheets 1.5 mm. thick and 250 mm. in diameter may be welded by butt weld. Pipes, tubing, bars, rods, light and medium weight structural shapes may be welded by butt weld.
Principle diagram of Butt welding
Application of butt welding-
- Little thickness of ferrous and non-ferrous can be weld.
- It has large application in wire drawing industries.
Gas welding
Arc welding
Resistance welding
Solid state welding
Radiant energy welding
Thermo-chemical welding
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Butt Weld Process
Butt Welding
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