Friday, April 17, 2020

Basic welding procedure.



Basic welding procedure that one should know

  1. Take the parts that to be weld
  2. clean the surface that to be weld
  3. Make sure if the job thickness is more than 4mm, then make "V" cutting at the face that will be weld.
  4. According to the property of material if preheat is required then preheat the job.
  5. set the power input according to the thickness of electrode.
  6. Welding electrode must be selected according to the job.
  7. Welding electrode thickness is also depends on the thickness of the job.
  8. Remove slag from weld bid and cool it in normal temperature.

what is welding?

What is welding ?
welding the process of joining of-

  • Two same or different metals,
  • with pressure or without pressure,
  • with electrode or without electrode,
  • with current or without current (cold welding),
  • with filler rod or without filler rod.