LGK7-Pro Series plasma arc cutting machine with external HF box

  • Separated HF box and power source, less dust, longer lifecycle
  • Digit current preset and display
  • Super-power IGBT module switch device circuit
  • CNC control, suitable for automatic cutting
  • 100% arc-striking success rate
  • Stable and stiff arc
  • Smooth incision
  • 100% 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 27
Rated input current A 41
Power factor 0.89
Rated output current A 130
Rated output voltage V 150
Rated duty cycle % 100/40℃
Output no-load voltage V 310
Output current range A 30-130
Quality cutting thickness(steel) mm 25
Max cutting thickness(steel) mm 45
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 External High-frequency arc-striking
Dimensions(L*W*H) mm 690*360*750
Net weight Kg 65


Cutting Parameters

Base metal Cutting method Unit Slab thickness

Low-carbon steel

Quality cutting mm 25
Cut-off ability mm 45
Max perforation mm 22
Stainless steel Cut-off ability mm 32
Quality Puncture mm 20
Aluminum Cut-off ability mm 32
Quality Puncture mm 20




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