20
9 Preparing the Stud Welding Gun
©Walter Stauffenberg GmbH & Co. KG
All rights reserved – Reprinting, in whole or in part, only with the approval of the manufacturer
9.2
Setting the Welding Parameters
The insertion depth, lift and spring force are, among others, dependent on the
workpiece and welding elements used and their diameters.
The specifications in the following table are guidelines.
Select the applicable parameters for insertion depth, lift and spring force for
your workpiece.
Welding elements
Material:
4.8 (suitable for welding) / A2-50
4)
Diameter of welding elements
SWG-WG
metric
imperial (US)
Stud-
diameter
in mm
eff. diameter
in mm
Stud-
diameter
in inches
eff. diameter
in inches
Stud welding gun parameter
1)
Insertion
depth
Lift
Spring
force
Material of workpiece: Mild steel (suitable for welding) / alloyed steel (suitable for welding)
4)
Ø d
1
Ø d
2
Ø d
1
Ø d
2
RD (MR)
2)
M6
4.7
1/4“
0.187
2.0
1.0
6
RD (MR)
2)
M8
6.2
5/16“
0.275
2.0
1.0
6
RD (MR)
2)
M10
7.9
3/8“
0.312
2.5
1.2
6
RD (MR)
2)
M12
9.5
1/2“
0.435
3.0
1.4
6
Ø d
1
Ø d
2
Ø d
1
Ø d
2
PD/DD (MD)
2)
M6
5.35
1/4“
0.21
2.0
1.0
6
PD/DD (MD)
2)
M8
7.19
5/16“
0.28
2.5
1.2
6
PD/DD (MD)
2)
M10
9.03
3/8“
0.35
3.0
1.4
6
PD/DD (MD)
2)
M12
10.86
1/2“
0.43
3.0
1.4
6
Ø d
1
Ø d
1
UD / Pins
2)
3 (ISO)
#4 / 12 gage
1.5
1.0
6
UD / Pins
2)
4 (ISO)
#8
1.5
1.0
6
UD / Pins
2)
5 (ISO)
#10 / 3/16“
2.0
1.0
6
UD / Pins
2)
6
1/4“
2.0
1.0
6
UD / Pins
2)
8
5/16“
2.5
1.2
6
UD / Pins
2)
10
7/16“
3.0
1.4
6
UD / Pins
2)
12
1/2“
3.0
1.6
6
Ø d
1
Ø d
2
Ø d
1
Ø d
2
IS
M6
8
1/4“
5/16“
1.5
1.6
5
1)
to be checked by test weldings
2)
Information and recommendations on this can be found in
DIN EN ISO 14555
.
4)
When welding on galvanized workpieces we recommend increasing the lift.
Ød2
Ød1
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