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Conventional Welding vs Laser Welding

CB

Caroline Biedermann

Transcript

Laser Welding

Conventional

Welding

What is a laser ?

Light Amplification by Stimulated Emission Radiation

What is Laser beam welding?

  • A welding process used to join one or more parts through the use of laser beam
  • two groups:

1.Solid-state welding

2.Fusion welding:

-Arc welding

-Oxyfuelgas welding

-Resistance welding

  • Types of lasers used: Gas laser, Solid state Laser(nd:YAG), Fibre Laser

Advantages

Laser Welding

Conventional Welding

  • Portability

  • Cheap machines

  • Weld strength

  • Heated area

  • Metals

  • Precision

  • Deformation

  • Less scrap

CONCLUSION

  • Applications: Jewelry, Electronics, Medical technology, car bodies in automotive

Tungsten inert gas(TIG) &

Metal inert gas (MIG)

Laser welding

[1]

Heat conduction welding

Keyhole welding

  • Most common used welding methods

  • Arc welding type

  • An electrode material in a welding gun is electrically charged, which allows for the creation of an arc between that electrode and the material being welded

[3]

Laser Welding

Conventional Welding

Comparison

Tungsten Inert Gas

(TIG)

Metal Inert Gas

(MIG)

Metal Active Gas

(MAG)

  • Non-meltable tungsten electrode
  • Non-active gas
  • CO2 gas
  • Used for precious metal

  • Used for normal steel-welding

[2]

Limitations & Benefits

Limitations &

Benefits

Limitations

Benefits

Limitations

  • high upfront cost

  • filler material

  • high skilled labor

  • excellent welds

  • depth-to-width ratio

  • precision

  • automatically

  • Small amount of equipment

  • Versatility

  • Portability

  • Large structure

  • Safety and Health problems

  • Material waste

  • Welding of dissimilar alloys and complex shapes is difficult

  • High skill level

Conventional Welding vs Laser Welding

Introduction

What is welding?

“Welding is the process of joining together two pieces of metal so that bonding takes place at their original boundary surfaces

THANK YOU!

Caroline Biedermann

Sources

  • https://www.ecosia.org/images?q=welding#id=6218E9743C135157DDAE8DF405C9B9CFF28E8878 [1]
  • http://www.technologystudent.com/despro2/elecarc1.html [2]
  • https://www.instructables.com/lesson/Beginning-to-MIG-Weld/ [3]
  • https://www.sciencedirect.com/science/article/abs/pii/S1526612513001229 [4]
  • https://harrisonslasertech.co.uk/conventional-welding-v-laser-welding/
  • https://www.or-laser.com/de/laserschweissen/schweissprozesse/?C=1
  • https://www.twi-global.com/what-we-do/research-and-technology/technologies/welding-joining-and-cutting/arc-processes-and-welding-engineering/metal-inert-active-gas-mig-mag-welding
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