1. 1 Grapple skidder

2. 2 Forwarder

3. 3 http://www.unified-eng.com/scitech/weld/weld.html TYPES OF WELDS AND THEIR SYMBOLS Square groove V groove Bevel groove U groove J groove Flare v groove Flare bevel groove

4. 4 FILLET WELD

5. 5 http://www.unified-eng.com/scitech/weld/weld.html Fillet weld FILLET WELD

6. 6 http://www.unified-eng.com/scitech/weld/weld.html SQUARE GROOVE WELD

7. 7 http://www.unified-eng.com/scitech/weld/weld.html V groove V GROOVE WELD

8. 8 http://www.unified-eng.com/scitech/weld/weld.html Bevel groove BEVEL GROOVE WELD

9. 9 http://www.unified-eng.com/scitech/weld/weld.html U groove U GROOVE WELD

10. 10 http://www.unified-eng.com/scitech/weld/weld.html J groove J GROOVE WELD

11. 11 http://www.unified-eng.com/scitech/weld/weld.html Flare v groove FLARE V GROOVE WELD

12. 12 http://www.unified-eng.com/scitech/weld/weld.html Flare bevel groove FLARE BEVEL GROOVE WELD

13. 13 PLUG AND SLOTS WELDS

14. 14 For same strength, longer leg size cost more. Use smaller lag size with longer length. DON’TDO

15. 15 Use symmetric sections for automatic welding DON’TDO

16. 16 Design simple to save welding cost DON’TDO

17. 17 Use minimum amount of weld metal DON’TDO

18. 18 Design for easy accessibility to welding

19. 19 Arrange the welding layout which reduces welding cost

20. 20

21. 21

22. 22

23. 23 CC C BetterWorse Improved design

24. 24

25. 25 BetterWorse Improved design

26. 26 BetterWorse Improved design

27. 27 BetterWorse Improved design

28. 28

29. 29

30. 30

31. 31

32. 32

33. 33

34. 34

35. 35

36. 36 Risk Priority Number RPN = R occurrence x R severity x R detection RPN = 1failure is highly unlikely and unimportant RPN = 30it is OK RPN = 100failure will occur RPN = 1000hazardous and harmful failure will occur FMEA OF WELDMENTS

37. 37

38. 38

39. 39

40. 40

41. 41

42. 42

43. 43

44. 44 01 bad 02 better03 better04 best joint01.sldasm

45. 45 u plate and shaft.SLDASM

46. 46 yoke.SLDASM

47. 47 \wledments\plate02.sldprt

48. 48 \wledments\TRUSS.sldprt

49. 49 \wledments\ROPS.sldprt

50. 50 \weldments\arcframe_mod01.sldprt

51. 51 \weldments\arcframe_mod01.sldprt

52. 52 \weldments 03\window01.sldprt

53. 53 \weldments 03\window02.sldprt

54. 54 tube and lug.sldasm

55. 55 tube 02.sldprt Configurations 03, 04

56. 56

57. 57 0.125”

58. 58

59. 59

60. 60 Terminology differs depending on standard

61. 61

62. 62 Plug weld which is called filet weld in SW