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1 Grapple skidder. 2 Forwarder 3 TYPES OF WELDS AND THEIR SYMBOLS Square groove V groove Bevel groove.

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Presentation on theme: "1 Grapple skidder. 2 Forwarder 3 TYPES OF WELDS AND THEIR SYMBOLS Square groove V groove Bevel groove."— Presentation transcript:

1 1 Grapple skidder

2 2 Forwarder

3 3 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 Fillet weld FILLET WELD

6 6 SQUARE GROOVE WELD

7 7 V groove V GROOVE WELD

8 8 Bevel groove BEVEL GROOVE WELD

9 9 U groove U GROOVE WELD

10 10 J groove J GROOVE WELD

11 11 Flare v groove FLARE V GROOVE WELD

12 12 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

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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

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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

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58 58

59 59

60 60 Terminology differs depending on standard

61 61

62 62 Plug weld which is called filet weld in SW


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