Laser hybrid welding method and laser hybrid welding torch using a zinc and/or carbon and/or aluminum-containing rod
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Example 1
Electrolytic zinc coating ZE75 / 75 according to EN 10152
Stitch seam in the lap joint:
Welding wire: SAF DUAL ZN®
vs: 3 m / min
I: 50 A
vD: 1.6 m / min
U: 12.2 V
Distance: 2 mm
PL: 3.9 kW
Focus diameter: 0.8 mm
Example
Example 2
Z 100 galvanized zinc coating: zinc layer thickness: 7.5 μm Butt seam
Welding wire: SAF DUAL ZN®
vs: 2.4 m / min
I: 50 A
vD: 1.6 m / min
U: 12.2 V
Distance: 2 mm
PL: 3.9 kW
Focus diameter: 0.8 mm
[0048]By this, very good and, above all, tight weld seams are obtained, which can be produced in one operating step, i.e. in a single welding process via the laser hybrid welding process, without requiring weld seam finishing. It goes without saying that the same welding results will be achieved even after a change of one or several of said parameters. When, for instance, changing cooperating parameters like, e.g., the welding wire transport speed (vD), welding current amplitude (I) etc., the same good welding quality will again be obtained such that the settings can only be regarded as guide points. It is, further-more, possible to deposit suitable routines in a memory of the welding apparatus so as to enable the automatic adjustment of the unit. When, for instance, changing one of the parame
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