15-3. Conditions That Affect Weld Bead Shape

.Weld bead shape depends on gun angle, direction of travel, electrode extension (stickout), travel speed, thickness of base metal, wire feed speed (weld current), and voltage.

 

10°

 

 

Push

10°

 

 

Perpendicular

 

Drag

GUN ANGLES AND WELD BEAD PROFILES

Short

Normal

Long

ELECTRODE EXTENSIONS (STICKOUT)

Short

Normal

Long

FILLET WELD ELECTRODE EXTENSIONS (STICKOUT)

Slow

Normal

Fast

 

GUN TRAVEL SPEED

S-0634

 

 

OM-4434 Page 66

Page 70
Image 70
Miller Electric Bobcat 225 manual Push Perpendicular Drag, Short Normal Long, Slow Normal Fast