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Grooves
| Question | Answer |
|---|---|
| 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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