Competing Process
Laser
EDM
Plasama
Flame cutting
Punch Presses
Milling
Advantages of Waterjet
No Restrictions on Meterials
No HAZ / Stresses
No Thickness Restrictions
Simple Fixturing
Burr free Process
Environment Friendly
Smooth, Satin-like finish

Waterjet Plasma EDM Laser
Principle Erosion Process using Water with Abrasive Burning process using high Temp Ionized Gas Arc Erosion Process using Electrical Discharge Melting process using concentrated Laser Light Beam
Materials that can be Processed Any material Primarily Steel, Stainless Steel & Aluminium Conductive Materials Only Primarily Steel, Stainless Steel & Aluminium
Materials / Job Thickness Up to 600 mm. Machine Daylight is limitation Up to 50 to 75 mm depending on Material < 250 mm ~25 mm or less depending on material
Part Accuracy mm 0.03 0.25 0.002 0.025 (on thin parts)
Capital Investment X X 1.5X 3X
Setup Time Low : Same Setup for all Materials / Job Medium : Setup changes with Job High : Wire Type & Parameters changes with Material / Job Medium : Gases & Parameters change with Jobs
HAZ No Yes Yes Yes
Pierce Hole Not Required Not Required Required Not Required