
32
A 12 Order No. BA 93-20-270 Issue 01.03.08
5.7
Checking the Quality of the Weld
You can check the quality of the weld by means of a visual inspection and a bending
test.
See also actual standards in the appendix “Arc stud welding of
metallic materials“, in section irregularities and corrective
actions.
5.7.1
Visual Inspection
A visual inspection must be carried out with each welding element.
Condition
Possible cause
Corrective actions
Good welded joint
Low spatters around the weld
without outer flaws
The weld pool forms a collar around
the flange of about 1 - 1,5 mm
- Correct parameters
- None
Cold weld pool
Gap between flange and workpiece
- Heat input too low
- Plunging speed too low
- No sufficient backing of workpiece
- Increase charging voltage
- Adjust plunging speed correctly
- Provide sufficient backing
Hot weld pool
Many spatters around the weld
- Heat input too high
- Plunging speed too low
- Reduce charging voltage
- Increase plunging speed
One-sided weld pool
One-sided spatter collar
Weld pool came out on one side
- Arc blow effect
- Unsymmetric ground connection
- Welding gun put at an angle
- Take care for symmetrical ground
connection
- Put welding gun vertically to the workpiece
Visual Inspection
Содержание 93-20-270
Страница 1: ...A 12 Welding Gun 93 20 270 Operating Manual ...
Страница 45: ...A 12 Order No BA 93 20 270 Issue 01 03 08 45 Welding gun type A 12 93 20 270 ...
Страница 47: ...A 12 Order No BA 93 20 270 Issue 01 03 08 47 Shielding gas tripod complete A 12 93 40 021 ...
Страница 49: ...A 12 Order No BA 93 20 270 Issue 01 03 08 49 Ceramic tripod complete A 12 93 40 022 ...
Страница 61: ...A 12 Order No BA 93 20 270 Issue 01 03 08 61 Service Support ...
Страница 65: ......