MAG Welding
Punch replacement part for plug welding.
Select size of hole for plug welding according to the following panel thicknesses:
8 mm for thicknesses less than 2.5 mm
10 mm or more for thicknesses above 2.5 mm.
Test weld several test pieces. Break the panels apart and measure the size of the welding lens diameter (A); see illustration above.
NOTE:
Use welding primer on all internal flanges.
Add filling primer if there is grinding damage.
CAUTION:
Make sure that the spot welds take properly on both panels.
Grind down the plug weld.
CAUTION:
Only grind welds, not the adjacent panel.