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Grooves

QuestionAnswer
FG Fillet/Groove
Where should the keyhole be? It should always be in the center, if it isn't you should move your electrode to sit in the center of the root weld
Is prep of the bevel angle, landing and gap important? Yes if any of them are off it will be very hard to weld successfully
SMAW groove weld root opening 1/16" - 5/32"
WPS Welding procedure specification
Shortening the arc length increases penetration
The backing material should match the base material
Using low current settings and long arc lengths cause slag inclusions
failing defects are ______________________ in length 1/8"
Backing material supports and shapes the weld
GMAW landing 1/16"
lack of penetration can be caused by fast travel speed
ceramic backing can be used to create full penetration
slowing your travel speed creates a larger weld pool
Tack weld lengths 3/8" -1"
When do you use the keyhole technique? when there is an open root
backing materials can be permanent or temporary
bevel angle size for v-grooves is 37.5 each bevel
Created by: Akinsman
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