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24
10 Preparing the Welding Gun
Stud welding units
CDi 1502 CDi 2302
CDi 3102
CDMi 2402
CDMi 3202
SC Mode
without
shielding gas
Material of
welding elements
Diameter of welding elements
metric
Welding gun parameters
1)
CA 08
PT, UT IT
Spring force
(scaling)
Lift (mm)
Spring force
(scaling)
Lift (mm)
Spring force
(scaling)
Lift (mm)
Spring force
(scaling)
Lift (mm)
Material of workpiece: Mild steel (suitable for welding)
4.8 (suitable for welding)
M3, 3 mm -- 2 1 2 1
2 1 6 1.2
4.8 (suitable for welding)
M4, 4 mm -- 2 1.2 2 1.2
2 1.2 6 1.4
4.8 (suitable for welding)
M5, 5 mm 5 mm, M3 2 1.6 2 1.6
2 1.6 6 1.6
4.8 (suitable for welding)
M6, 6 mm 6 mm, M4 6 1.6 6 1.6
6 1.6 6 2
4.8 (suitable for welding)
M8, 7.1 mm 7.1 mm, M5 -- -- 6 2
6 2 -- --
Material of workpiece: Galvanised steel (suitable for welding)
4.8 (suitable for welding)
M3, 3 mm -- 6 1 6 1
6 1 2 1
4.8 (suitable for welding)
M4, 4 mm -- 6 1 6 1
6 1 2 1
4.8 (suitable for welding)
M5, 5 mm 5 mm, M3 3 1 3 1
6 1 2 1
4.8 (suitable for welding)
M6, 6 mm 6 mm, M4 3 1 3 1
6 1 2 1.2
4.8 (suitable for welding)
M8, 7.1 mm 7.1 mm, M5 -- -- -- --
-- -- 3 1.2
Material of workpiece: Alloyed steel (suitable for welding)
A2-50
M3, 3 mm -- 6 1.4 6 1.4
6 1.4 6 1.2
A2-50
M4, 4 mm -- 6 1.4 6 1.4
6 1.4 3 1.2
A2-50
M5, 5 mm 5 mm, M3 6 1.6 6 1.6
6 1.6 3 1.6
A2-50
M6, 6 mm 6 mm, M4 6 2 6 2
6 2 3 2
A2-50
M8, 7.1 mm 7.1 mm, M5 6 2 6 2
6 2 3 2
Material of workpiece: Alloyed steel (suitable for welding)
CuZn37
M3, 3 mm -- 6 1 6 1
6 1 3 1
CuZn37
M4, 4 mm -- 6 1 6 1
6 1 3 1.2
CuZn37
M5, 5 mm 5 mm, M3 -- -- -- --
-- -- 3 1.4
CuZn37
M6, 6 mm 6 mm, M4 -- -- -- --
--- -- 3 1.6
CuZn37
M8, 7.1 mm 7.1 mm, M5 -- -- -- --
-- -- -- --
Material of workpiece: Aluminium
AlMg3
M3, 3 mm -- 6 - 9 1.8 6 - 9 1.8
6 - 9 1.8 -- --
AlMg3
M4, 4 mm -- 6 - 9 2 - 3 6 - 9 2 - 3
6 - 9 2 - 3 -- --
AlMg3
M5, 5 mm 5 mm, M3 6 - 9 3 - 4 6 - 9 3 - 4
6 - 9 3 - 4 -- --
AlMg3
M6, 6 mm 6 mm, M4 6 - 9 4 6 - 9 4
6 - 9 4 -- --
AlMg3
2)
M8, 7.1 mm
2)
7.1 mm, M5
2)
6 - 9 4 6 - 9 4
6 - 9 4 -- --
1)
to be checked by test weldings
2)
Due to the material characteristics of Aluminium and the corresponding limitations regarding the process stabili-
ty a maximum stud diameter of 6 mm is recommended.