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Generally pro´s and con´s of Laser-, Plasma and Watercutting


Procedure
Benefits
Disadvantages

Autogen  

Only for structural steel

 

  • For medium and larger material thickness
  • Economic use of severall burner
  • Low investment and wear costs

 

  • Bad cutting results under 5 mm material thickness
  • Low accurracy at repeat cuts because of impact
  • Strong distorsion at te lower sheet area, straightening is necessary
  • Large zone with structural change because of heat impact

 

Plasma
  • Cutting of all electric conductive materials
  • Without alternative in cutting of high-alloy steels and Aauminium materials in middle and thicker material
  • Excellent suitability of  thin and middle steel (up to 30 mm) in relation on costs/benefits ratio
  • Cutting of high-strength steel with low heat-impact
  • One and more burner operation depending on lot-size and configuration
  • High cutting speed (compared up to 10 x faster than Autogen)
  • High Quality of cutting edge in sector of middle and thicker Sheet field with vortex gas-technology with industrial gases
  • good automation possibilities

 

  • Use up to 160mm (180mm) material thickness with dry cutting and 120mm in Underwater-cutting.
  • Depending the plasma source wider kerfs

Laser

  • High accuracy and cutting speed in thin and middle sheet area
  • Square and high-quality cutting edge without grid
  • Very good automation
  • Extremely low heat impact zone
  • Very close kerf (0,2 – 0,4mm)
  • extreme high Cuttings-speed in thin sheet area
  • Cuttin of very small holes, small webs
  • Production of complex and filigree component contours
  • Metallic,  non-metallic and Composites
  • ts (high gas consumption)
  • Limited Sheet thickness range
  • Depending the selection of Lasersource
  • Exactely Distance Direction to theWorkpiece-surface necessary
  • Interference of  the beam stability at the cutting of construction steel with normaly Si- and P-conant

 

  • High investment and operation costs (high gas consumption)
  • Limited Sheet thickness range
  • Depending the selection of Lasersource
  • Exactely distance leveling to the workpiece-surface necessary
  • Interference of  the beam stability at the cutting of steel with normaly Si- and P-conant
  • Reduction of  the process stability at cutting mirroring material surface

Watercut

  • Cutting of metallic, non-metallic and composites
  • big material- and thickness range
  • no metallurgical changes at the intersection
  • ; no heat impact
  • Small kerfs, very good dimensional stability of the workpieces
  • Excellent cutting-quality at thin and middle material thickness
  • Good possibilities of process automation
  • Depending on lot size use of several cuttingheads possible
  • Bridging of air-chinks
  • High Investment and production costs (compared to Plasma: Operating costs 1:5 to 1:20 depending on Material and Thickness)
  • Relative small number of cutting speeds on “hards” Materials
  • A loud and wet procedure
  • High investment and production costs (compared to Plasma: Operating costs 1:5 to 1:20 depending on material and thickness)
  • Relative low cutting speeds on special materials
  • A noisy and wet cutting technology

 

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