Definitions for "Tack Weld"
A positive (welding) method for anchoring all permanently installed grating.
Usually refers to a temporary weld used to hold parts in place while more extensive. final welds are made. In some sheet metal applications, tack gelds may provide sufficient strength to eliminate the need for an "all around" fillet weld.
a weld made to hold parts of an assembly in proper alignment temporarily until the final welds are made
This process prevents picket compression or narrowing associated with high belt tension typically associated with flat wire belts 60" (1524 mm) or greater.