LGK7 Series IGBT inverter plasma arc cutting machine(CNC purpose)

  • Digit current preset and display
  • Advanced soft switch HF inverter technology
  • Super-power IGBT module switch device circuit
  • 100% arc-striking success rate
  • Stable and stiff arc
  • Smooth incision
  • CNC control, suitable for automatic cutting
  • High duty cycle

Application Scope: cutting stainless steel, alloy steel, foundry iron, carbon steel, Copper, Aluminum, Manganese, Titanium, clad plate and so on.



Name Unit Parameter
Voltage/Frequency V/Hz 3~380V±15%  50/60Hz
Rated input capacity KVA 18.5
Rated input current A 24
Power factor 0.86
Rated output current A 100
Rated output voltage V 120
Rated duty cycle % 100/40℃
Output no-load voltage V 310
Output current range A 30-100
Quality cutting thickness(steel) mm 22
Max cutting thickness(steel) mm 40
Plasma gas usage Compressed air
Working gas pressure scope MPa 0.45-0.55
Efficiency % 90
Insulation class F
Shell protection degree IP21S
Torch cooling Air-cooled
Arc-striking mode High-frequency arc-striking
Dimensions(L*W*H) mm 670*325*595
Packing dimensions(L*W*H) mm 710*380*675
Net weight Kg 54


Cutting Parameters

Base metal Cutting method Unit Slab thickness

Low-carbon steel

Quality cutting mm 22
Cut-off ability mm 40
Max perforation mm 20
Stainless steel Cut-off ability mm 28
Quality Puncture mm 18
Aluminum Cut-off ability mm 28
Quality Puncture mm 18




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