The internal and external defects of the steel barrel body weld are allowed to be repaired within a certain range. The common methods for repairing welds are as follows:
1, for incomplete penetration, not airtight, internal cracks, splashes, brittle joints, etc. can be repaired again with a seam welder.
2, not welded, not airtight, internal and external cracks, edge cracking can be repaired by gas welding.
3, external splash, welded edge flange, electrode adhesion, surface blackening can be used to polish the surface of the grinder.
4, brittle solder joints with oxyacetylene flame repair welding.
5, to eliminate stress deformation, the crushed weld edge can be corrected by rolling or partial pressure.
6, not airtight, external cracks can be repaired with super glue.
7, not welded, not airtight, internal and external cracks, edge cracking can be repaired with tin brazing.