Plasma cutting

Description

Plasma cutting is a fast thermal cutting process with a high cutting quality. The method can be used on all electric conductive materials of average thickness (up to 35/40 mm), whereas the cutting speed depends on the conductivity of the material and not the material hardness.

The plasma, also referred to as the “fourth state of matter”, is created by ionizing electric conductive gas through an electrical arc (high voltage). The electrical arc created between an electrode and the workpiece is ignited and compressed at the insulated and often water-cooled copper nozzle. Through the high energy density of the electric arc, which can reach up to 30,000 degrees Kelvin, the metal melts and is blown away by a gas jet creating a kerf.

Compressed air is often used as a gas to blow away the material, but also shielding gas mixtures are used to create a better kerf and avoid or reduce oxidation. A rounded edge at the entry point is characteristic for plasma cutting kerfs. Plasma cutting is said to be very robust, as it can be used on rusty steel, greasy surfaces and even painted surfaces when the paint thickness stays under a certain limit.

Characteristics

Material thickness in laser cutting Material thickness
Costs of laser cutting Costs
Accuracy in laser cutting Accuracy
Special features of laser cutting Special features Only conductive materials workable

Materials

Metals

Sheets

Description
  • Steel
  • Stainless steel
  • Aluminum
Dimensions
  • Max. Length: 5.000 mm
  • Max. Width: 3.000 mm
  • Max. Material thickness: 200 mm
Processing methods
  • To bend
  • Powder coating
  • Sample test report
  • Test report

Tube

Description
  • Steel
  • Stainless steel
  • Aluminium
Dimensions
  • Max. Tube length: 6.500 mm
  • Min. Enveloping circle: 30 mm
  • Max. Enveloping circle: 1.000 mm
  • Max. material thickness: 100 mm
processing methods
  • To bend
  • Powder coating
  • Sample test report
  • Test report
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