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Ex. No : Date :
GAS WELDING
Aim
To join the given two work pieces as required type of
joint by gas welding.
Material used
Mild steel plate.
Tools used
• Oxygen and acetylene gas cylinder with the
equipments (pressure gauge, regulators)
• Gas welding torch
• Filler rod
• Safety goggles, gloves
• Chipping hammer
• Wire brush
Procedure
1. The given workpiece are thoroughly cleaned, i.e.,
rust, scales are removed.
2. The joining workpieces are positioned properly.
3. Acetylene and Oxygen cylinder valves are opened
then the Acetylene torch valve is opened.
4. Light tip of torch using lighter.
5. Oxygen and Acetylene torch valves are adjusted and
the required flame is obtained.
6. The welding torch and the filler rod are moved
along the line of weld and welding is
done by maintaining 3mm gap between plate and inner
cone of flame.
Result
Thus the required welding is obtained by gas welding process.
Questions
1. Explain SAW?
2. What are the different types of flames?
3. Explain upset and flash butt welding?
4. Explain the types of gas welding?
5. What are the components of gas welding?
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