DEFECT WELD
(VISUAL)
SURFACE CONCAVITY
SURFACE CONCAVITY
Because :
- Angles openings joint too large.
- Electrodes too small.
- Ampère capping high.
- Lane capping unfinished.
- Speed capping too high
- Weaken weld joint.
- Started rust the weld profile.
- Arising displacement stress potentially crack.
Directly finish lanes capping appropriate WPS .
Rejection criteria :
If are not repaired , the welds is rejected
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