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LGK-630IGBT Ultra-Heavy Inverter Plasma Cutter

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LGK-630IGBT Ultra-Heavy Inverter Plasma Cutter

LGK-630IGBT Ultra-Heavy Inverter Plasma Cutter

Inverter Air Plasma Cutting Machine

Rated above 630 A with 110 mm handheld quality cut and up to 180 mm severance. Thermostatic torch temperature control, live coolant flow monitoring and automatic current limiting for air-cooled torches make it purpose-built for extra-heavy plate and casting riser removal.

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Key Features

  • Rated above 630 A — 110 mm handheld quality cut, up to 180 mm severance
  • Thermostatic torch temperature control for markedly longer consumable life
  • Pre-flow and post-flow times set independently for different torch lengths
  • With an air-cooled torch the source automatically limits output to 160 A to prevent burnout
  • Live coolant monitoring: insufficient flow raises a fault code and stops output
  • Full protection — overheat, low gas pressure, low coolant flow, phase loss, over- and under-voltage
  • Second-level menu for additional process functions
  • Smart fan runs only while cutting, reducing internal dust build-up

Typical Applications

  • Extra-heavy plate, handheld and mechanised
  • Boiler, pressure vessel and chemical tank fabrication
  • Industrial power plant installation
  • Casting riser removal, metallurgy and scrap recovery

Selection & Setup Notes

Above 630 A a water-cooled torch and industrial chiller are mandatory, along with a dedicated power circuit. Confirm that site compressed air capacity is sufficient before ordering.

Standards & Further Reading

External reference: ISO 9013 — Thermal cutting classification — ISO 9013 defines the quality classes for thermal cut surfaces (perpendicularity, bevel, dross).

Frequently Asked Questions

Why is current limited to 160 A with an air-cooled torch?

It is a protection logic. An air-cooled neck overheats and burns out quickly at high current, so the source limits output as soon as it detects air-cooled mode.

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