This presentation is for academic purpose Topics:- 1) Joining Process 2) Weldability 3) Types of weld joints 4) Edge preparation 5) Gas welding 6) Oxy-acetylene welding 7) Arc Welding 8) Types of power source 9) DCSP and DCRP 10) Types of arc welding 11) Resistance Welding 12)Thermit welding 13)Friction welding 14) LASER beam welding 15) Electron beam Welding 16) Explosive Welding 17) Defects in welding 18) Soldering 19) Brazing 20) Riveting 21) Adhesive bonding

1. Joining
Process
Prof. Ubaid Shah

9. A typical fusion-welded joint

10. Gas Welding

11. 120 bar
Less than 2 bar

12. CaC2+2H2O Ca(OH)2+C2H2+Heat

14. A 40 litre acetylene cylinder will hold approximately 12-13kg
of acetone in which we can dissolve 5500 litres of acetylene
since 1 litre of acetylene weighs 1.1 g.

19. Metal transfer during welding

20. Types of arc welding

22. Flux cored arc welding

25. High frequency generator

29. Water cooled

30. Resistance projection welding

31. Transformer
Fixed head
Movable head
ForceForce

32. Transformer
Force Force

33. Stud Welding
Force

36. LASER Beam Welding

37. Electron Beam Welding

39. Defects in welding
Slag inclusion

40. Soldering

41. Soldering

42. Brazing

43. Riveting

44. Adhesive Bonding

46. Thank You!!!