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Ch 9 Welding 21-41

QuestionAnswer
Travel direction refers to whether to push or pull the welding gun along the joint.
Push welding means you aim or angle the gun ahead of the weld puddle
Wire stick out is the length of unmelted wire that protrudes from the end of the MIG welding gun’s tip during welding.
tack weld is a short bead used for setup of the permanent weld
spot weld fuses the top piece to the bottom piece without pre drilling a hole
continuous weld is a single weld bead along a joint.
Skip welding produces a continuous weld by making short welds at different locations to prevent overheating.
Stitch welding is a continuous weld in one location, but with short pauses to prevent overheating.
butt welds are formed by fitting two edges of adjacent panels together and welding along the mating edges.
backing strip made of the same metal as the base metal can be placed behind the weld.
fillet weld is a weld joining two surfaces with their edges or faces at about right angles to each other.
lap joints are welds made on overlapping surfaces.
plug weld is made through a hole drilled in the top pieces
flat welding the pieces are parallel to the bench or shop floor.
horizontal welding the pieces are turned sideways.
vertical welding the pieces are turned upright.
overhead welding the piece is turned upside down.
Inert An element or gas with no active properties.
MIG Metal inert gas.
Resistance spot welding The use of electrodes on each side of two pieces are fused surface to surface.
Created by: abogner105
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