Process school | common welding defect - wrong mouth
- Categories:Information
- Time of issue:2017-09-20
(Summary description)1,the phenomenon of Performance for weld on both sides of the outer wall material is not in the same plane, hi-lo is greater than the amount of 3%~5% or more than 1㎜parentmetalthickness.2.Causeanalysi
Process school | common welding defect - wrong mouth
(Summary description)1,the phenomenon of Performance for weld on both sides of the outer wall material is not in the same plane, hi-lo is greater than the amount of 3%~5% or more than 1㎜parentmetalthickness.2.Causeanalysi
- Categories:Information
- Time of issue:2017-09-20 15:56
- Views:
Information
1, the phenomenon of
Performance for weld on both sides of the outer wall material is not in the same plane, hi-lo is greater than the amount of 3% ~ 5% or more than 1 ㎜ parent metal thickness.
2. Cause analysis
The welding parts do not meet the requirements, and the welder is fixed and welded at the wrong time.
3. Prevention and control measures
To strengthen the training and responsibility of the installer;
To use the necessary measuring instruments in the process of interdiction;
The welding work shall not be fixed and welded for the welding parts which do not meet the requirements.
4. Governance measures
Improve the standard and installation skills and improve the technical level of installation;
For the welding joint that produces the wrong mouth and does not meet the acceptance standard, it adopts the cutting, re-opening and welding.
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