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Inspecting Ultraweld Welds
In order to properly inspect an Ultraweld connection, you
must first familiarize yourself with the terms used for the
different parts of the mold and the different parts of the weld.
The mold was described in the previous section. The weld is
detailed below.
Weld
Sleeve
Conductor
Weld Sleeve – The area of the weld that comes out from the
weld body and helps give mechanical strength to the area
where the molecular bond is made.
Conductor – The metal materials that are to be welded
together.
Riser – The area on top of the weld that is used for excess
weld material and slag.
Weld Body – The area under the tap where the conductors
are welded or melted together at the molecular level.
An exothermic weld can conduct more current than a
mechanical connection because the cross section of weld
body is greater than the cross section of the conductor being
welded.
To have a quality weld you must have a solid weld body with
a cross section greater than the conductors, the sleeves
must be complete, there should be limited slag in the weld,
and there should be limited signs of contamination in the
riser. The riser should be higher than the level of the highest
conductor.
Good Welds
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Riser
Weld Body
9
Inspecting Ultraweld Welds
Good Welds continued
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