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TRANSLAM INSTITUTE OF
TECHNOLOGY & MANAGEMENT
SEMINAR ON- WELDING
SUBMITTED TO- SUBMITTED BY-
PROFF. MUKESH SIROHI ISHANT GAUTAM
B.TECH (M.E)-IVth year
WELDING
• Welding is a material joining process which produces
coalescence of materials by heating them to suitable
temperatures with or without the application of
pressure or by the application of pressure alone and
with or without the use of filler material.
• Welding is used for making permanent joints.
CLASSIFICATION OF WELDING
ARC WELDING
• Equipments
• A welding generator (D.C) or transformer (A.C).
• Two cables one for work and one for electrode.
• Electrode holder
• Electrode
• Protective shield
• Gloves
• Wire brush
• Chipping hammer
• Goggeles.
Arc welding
ADVANTAGES & LIMITATIONS OF ARC WELDING
Advantage
• Most efficient way to join
metals.
• Lowest cost joining method.
• Join all commercial metals.
• Provides design flexibility.
• Affords lighter weight.
Limitation
• Manually applied therefore
high labor cost.
• Need high energy causing
danger.
• Defect s are hard to detect
at joints.
RESISTANCE WELDING
• Resistance welding is a welding technology widely
• used in manufacturing industry for joining metal
sheet & components.
• Seam welding
• Spot welding
• Projection welding
• Upset welding
• Flash welding
Resistance welding
Resistance welding
GAS WELDING
• Sound weld by selecting proper size of flame
filler material and method of moving torch.
• The material generated during the process is
3300 C
• Fluxes are added to the welded metal to
remove oxides
• Flux can be applied as paste , powder ,liquid.
• Solid coating or gas
Gas welding
Gas welding equipment
1. Gas cylinder pressure
• oxygen-125Kg/cm2
• acetylene-16kg/cm2
2. Regulators
• working pressure of oxygen 1kg/cm2
• working pressure of acetylene 0.15 kg/cm2
3. Pressure gauge
4. Hoses
5. Welding torch
6. Check valve
7.Non return valve.
Welding process is used joint
materials.
THANK YOU…
QUESTION ???

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TYPES OF WELDING

  • 1. TRANSLAM INSTITUTE OF TECHNOLOGY & MANAGEMENT SEMINAR ON- WELDING SUBMITTED TO- SUBMITTED BY- PROFF. MUKESH SIROHI ISHANT GAUTAM B.TECH (M.E)-IVth year
  • 2. WELDING • Welding is a material joining process which produces coalescence of materials by heating them to suitable temperatures with or without the application of pressure or by the application of pressure alone and with or without the use of filler material. • Welding is used for making permanent joints.
  • 4. ARC WELDING • Equipments • A welding generator (D.C) or transformer (A.C). • Two cables one for work and one for electrode. • Electrode holder • Electrode • Protective shield • Gloves • Wire brush • Chipping hammer • Goggeles.
  • 6. ADVANTAGES & LIMITATIONS OF ARC WELDING Advantage • Most efficient way to join metals. • Lowest cost joining method. • Join all commercial metals. • Provides design flexibility. • Affords lighter weight. Limitation • Manually applied therefore high labor cost. • Need high energy causing danger. • Defect s are hard to detect at joints.
  • 7. RESISTANCE WELDING • Resistance welding is a welding technology widely • used in manufacturing industry for joining metal sheet & components. • Seam welding • Spot welding • Projection welding • Upset welding • Flash welding
  • 10. GAS WELDING • Sound weld by selecting proper size of flame filler material and method of moving torch. • The material generated during the process is 3300 C • Fluxes are added to the welded metal to remove oxides • Flux can be applied as paste , powder ,liquid. • Solid coating or gas
  • 12. Gas welding equipment 1. Gas cylinder pressure • oxygen-125Kg/cm2 • acetylene-16kg/cm2 2. Regulators • working pressure of oxygen 1kg/cm2 • working pressure of acetylene 0.15 kg/cm2 3. Pressure gauge 4. Hoses 5. Welding torch 6. Check valve 7.Non return valve.
  • 13. Welding process is used joint materials.