High-Speed Imaging of GMAW Welding - with CAVILUX

We hope you enjoy this video of a GMAW process from our partners at Labsolda, Brazil (https://labsolda.ufsc.br/).

The footage was taken at 5,000 fps and illuminated using our CAVILUX HF Laser Illumination system (wavelength 810 nm, 500 Watt). Our technology allows you to efficiently filter out the bright thermal light generated by the welding process, thus enabling you to see the welding process with clarity and helping in providing accurate visuals and details.

Labsolda shared the following info about this process: A GMAW version with inductance control applied to deep penetration welds. It is crucial to highlight the correct inductance settings (current dynamic in up slope and down slope) in eventual short-circuit events. For the power source IMC DIGIPLUS A7 the inductance set was Ks100 (up slope) and Kd1 (down slope), which resulted in 70000 A/s and 300 A/s respectively. Ks and Kd are parameters set in IMC DIGIPLUS A7 for up slope and down slope inductance control, respectively. Their values are inversely proportional to the inductance applied in the circuit (higher Ks or Kd results in lower inductance, and vice versa).

Here are the details regarding this process:
Welding process: GMAW
Welding position: Flat
Wire: ER70S-6
Diameter: 1,2 mm
Wire feed speed: 15 m/min
Voltage (mean): 32,5 V
Current (mean): 350 A
Inductance: KS 100 and KD 1
Welding speed: 45 cm/min
CTWD: 12 mm
Shielding gas: Ar+8CO2
Welding power source: IMC DIGIPLUS A7
High-speed video: IDT MOTION PRO Y4-S2
Illumination system: CAVILUX Laser Illumination system 810nm, 500W
Video production/editing: Marcelo P. Okuyama (IG @okuyama.mp)
Welding researchers: @kaue.rff and (IG @bernardi_rafael)

Read more about CAVILUX lasers and their benefits: https://products.cavitar.com/E&vHpLi

Labsolda takes on-demand welding high-speed imaging requests.

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