CIRP Encyclopedia of Production Engineering

2014 Edition
| Editors: The International Academy for Production Engineering, Luc Laperrière, Gunther Reinhart

Water-Jet Cutting

  • Carol Kong
Reference work entry



Water-jet cutting is a nonconventional machining method that makes use of high-pressure water jets with (i.e., abrasive water-jet cutting) or without (i.e., plain water-jet cutting) fine abrasive particles to virtually cut any kind of materials into two- or three-dimensional shapes, provided that the machine has the capability of ultrahigh-pressure pump (UHP) and the flexibility of positional movement.

Theory and Application

Abrasive water-jet (AWJ) machining is considered to be a fast-growing nonconventional technology capable of processing any material regardless of its properties. Modern AWJ machining systems make use of high-pressure water jets (up to 6,200 bar) forced through a tiny orifice (0.1–0.3 mm) that enables the entrainment and acceleration of abrasive particles (e.g., garnet, Al2O3) to high velocities (200–800 m/s).

Early Water-Jet Cutting Technology

In the 1950s, Dr. Norman Franz, a forestry...
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Copyright information

© CIRP 2014

Authors and Affiliations

  1. 1.Centre for Materials and StructuresUniversity of LiverpoolLiverpoolUK