Ans Drg B

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Answers Drawing B BS 499 part 2.

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Course Reference WIS 10 Copyright © 2003 TWI Ltd

Fabrication Drawing Interpretation Y G O L O N H C E T

Remember in the CSWIP 3.2 Senior Welding Inspectors examination your are required to interpret a fabrication drawing and comment on the welding symbols !

Time allowed 1 hour

!

The drawing will contain around 15 to 20 symbols

Copyright © 2003 TWI Ltd

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Drawings and Weld Symbol Interpretation

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With the supplied drawing you are required to carry out the following 1. Reference the drawing number onto your answer sheet 2. Specify the standard to which the weld symbols apply 3. Produce a neat sketch of how you see the welds,

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numbering each weld individually. 4. Fully describe each weld symbol, example Welded arrow side: Single-V butt Welded other side: Sealing run.

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5. On completion of the welding symbol interpretation, you are then required to comment on the drawing with reference to errors and incorrect set-ups Copyright © 2003 TWI Ltd

Y G O L O N H C E T Copyright © 2003 TWI Ltd

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BS 499 part2 Answers DRG B

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1. Welded all way around: 6mm leg length fillet weld, site weld (peripheral weld)

2. Welded both sides: 8mm fillet weld, peripheral weld, weld to be welded all around the part.

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3. Welded arrow side: 10mm leg length fillet weld Welded other side: Single-J butt with an 8mm leg length fillet weld superimposed, after welding UT inspection to be carried out

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4. Welded arrow side: 10 fillet welds 8mm leg lengths, the length of each weld 80mm the distance between each weld 80mm.

80

80 80

80



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5. Welded both sides: 16mm leg length fillet weld, fillet welds to large for the parent materials thickness

6. Welded arrow side: Fillet weld, 8mm throat thickness, 10mm leg length

7. Welded arrow side: Single-bevel butt weld, flush finish

270

390

270

8. Welded arrow side: Two plug welds, slot width 8mm, length of each weld 270, gap between each weld 390mm. Copyright © 2003 TWI Ltd

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9. Welded arrow side: 6mm fillet weld. After welding completed MT to be carried out.

10. Welded arrow side: Single-bevel butt weld, flat (flush) profile.

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11. Welded arrow side: Square butt weld, convex profile. Welded other side: 6mm leg length fillet weld.

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12. Welded arrow side: 8mm leg length fillet weld, concave profile.



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13. Welded arrow side: Backing run weld flat (flush) finish. Welded other side: Single-V butt weld.

14. Welded arrow side: Square butt weld, flat finish. Welded other side: 8mm leg length fillet weld.

15. Welded arrow side: Single-U butt weld, flat (flush) finish

16. Welded other side: Single-V butt weld. Welded using the MAG welding process


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17. Welded arrow side: 8mm leg length fillet weld.

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18. Welded all way around: Surfacing weld (hard facing). B.2. Indicates specific instructions

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19. Welded arrow side: Single-bevel butt weld Welded other side: 6mm leg length fillet weld.

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20. Welded arrow side: 12mm leg length fillet weld Welded other side: 8mm leg length fillet weld. Note leg length to large for material thickness


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Any Questions

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Ans Drg B

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