What is Plasma Cutter?

We all saw plasma cutter going through metal like a heated knife through a butter. Plasma cutter is powerful tool for metal cutting, but how does it work? What is plasma cutter?


What is plasma cutter?

plasma is the fourth state of matter after gas. Webster’s Dictionary defines plasma as a ”collection of charged particles ... containing about equal numbers of positive ions and electrons and exhibiting some properties of a gas but differing from a gas in being a good conductor of electricity...”. To simplify it, plasma is an electrically heated gas stream.

This same logic and physics is used in plasma cutters. Plasma cutting works by passing a super-fast jet of hot plasma through (conductive) metals to cut through it by melting it. Plasma cutters create plasma using a gas (such as argon, nitrogen, oxygen, or combination) through which an electric arc is passed. In this process plasma jet torch can reach temperature up to 50000 °F! And while some plasma cutters are big, industrial, robotized machines surrounded by guard box and similar heavy-duty safety features, the most common plasma cutters are handheld devices (without any specific guard) that are operated manually by operator’s hand control.


LITAKE CUT-50 Plasma Cutter

LITAKE CUT-50 Plasma Cutter is 50Amp Non-Touch Portable Cutting Machine.

  • Using IGBT inverter technology, high frequency 50/60Hz;
  • Suitable for cutting steel, iron, copper, aluminum and other metal materials;
  • Simple operation, easy to carry, smooth cutting surface;
  • 110V can ensure 1/3" clean cutting, 220V can ensure 2/5" clean cutting;
  • Excellent cooling system ensures better performance and durability.


Non-Touch Pilot Arc Plasma Cutter - Pilot Arc Technology allows you to cut without touching the tip to metal. The CUT-50 cuts rusted, rough or painted surfaces effectively and produces very little dross during the cutting process. CUT-50 plasma cutting machine has better cutting quality and longer wearing parts life.

Excellent Performance - 20-50 A output, 2/5" (10mm) ideal clean cuts and 4/7" (14mm) maximum cut thickness under 220V; 10-35 A output, 1/3" (8mm) ideal clean cuts and a maximum cut thickness of 2/5" (10mm) under 110V. This plasma cutter suitable for cutting alloy steel, stainless steel, copper, aluminum and other metals.

Dual Voltage Input - This plasma cutting machine supports 110V / 220V switching input power supply. 110V, 50/60Hz @ 35 A input; 220V, 50/60Hz @ 28 A input. The product comes with a power conversion plug, which can be plug and play in different environments.

Cutting Thickness - The machine is equipped with a current display. You can choose the current to match the air pressure through the cutting chart which mention in manual, expediently and efficiently. Current display at 110V is 10-35A, under 220V current display is 10-50A, the maximum cutting thickness is recommended to be 8mm @ 35A 110V, 60PSI; 10mm@50A 220V 70 PSI.

Safe & Portable - The plasma cutter is small in size, light in weight, and comes with a handle for easy portability. Plasma cutter with built-in over-heat protection, over-voltage protection, strong heat dissipation, good insulation. Adopt air pressure adjustment device, use non-hazardous compressed air to cut stainless steel, alloy steel, mild steel, copper, and other metals.


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