HBS Visar 650 - Page 36

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36
12 Welding
Determining the Welding Time and the Welding Current for Welding Guns A 12
and A 12-FL
for drawn-arc stud welding with ceramic ferrule
Welding elements
Material:
4.8 (suitable for welding)
Diameter of welding elements
Welding
current
1)
Visar 650
I in A
Welding
time
1)
Visar 650
t in ms
metric imperial (US)
Stud
diameter
in mm
eff. diameter
in mm
Stud
diameter
in inches
eff. diameter
in inches
Material of workpiece: Mild steel (suitable for welding)
Ø d
1
Ø d
2
Ø d
1
Ø d
2
RD
2)
M6 4.7 1/4 0.185 380 100
RD
2)
M8 6.2 5/16 0.244 500 130
RD
2)
M10 7.9 3/8 0.311 640 160
Ø d
1
Ø d
2
Ø d
1
Ø d
2
PD/MD (DD)
2)
M6 5.35 1/4 0.211 432 108
PD/MD (DD)
2)
M8 7.19 5/16 0.283 576 144
Ø d
1
Ø d
1
UD / pins
2)
3 #4 /12 gage 240 60
UD / pins
2)
4 #8 320 80
UD / pins
2)
5 #10 7 3/16 400 100
UD / pins
2)
6 1/4 480 120
UD / pins
2)
8 5/16 640 160
1)
to be checked by test weldings
2)
Information and recommendations on this can be found in DIN EN ISO 14555.