The Strike Zone

Tip-to-workpiece gap: 1.5mm ± 0.1
Shielding gas: 100% Ar

Ionization begins

Voltage spike: 20V → 12V
Current rise: 0A → 120A in 0.03s

Arc stabilizes

Plasma temp: 6,000°C
Penetration: 3.2mm

Hold the gap

Gap tolerance: ±0.1mm
Contamination risk: 0%