HBS IT 1002 - Page 50

50 IT 1002 Order No BA 93-66-1206 Issue 03.11.08
Type of fracture Possible cause Corrective actions
Base material buckling - Correct parameters - none
Fracture in welding element
above weld collar
- Correct parameters - none
Fracture in the weld metal
Many pores
- Welding energy too low
- Plunging speed too low
- Unsuitable stud/base
material combination
- Increase welding energy
- Increase plunging speed
- Replace welding element or
workpiece
Fracture in the weld metal
Shiny fracture
surface
- Welding time too short - Increase welding time
Bending Test
5 Stud Welding Procedure
5.8 Checking the Quality of the Weld