Fluid Jet Cutting

Definition - What does Fluid Jet Cutting mean?

Fluid jet cutting is using a high-pressure water jet to produce a bore. The water is compressed, fired through a specially designed nozzle and is directed along the design path by the operator. Also known as a water jet, fluid jet or jet cutter, the fluid jet cutter cannot turn corners; where the design pathway bends, curves, dips or rises, the machine must be repositioned. Many fluid jet cutters are truck mounted. With granular additives, an adaptation of the water jet -- the abrasive fluid jet cutter -- can cut through surfaces such as stone and concrete.

Trenchlesspedia explains Fluid Jet Cutting

If you turn the pressure on a garden hose to its maximum and put your thumb over the open end of the hose, you've demonstrated the Venturi effect, the basis of the fluid jet cutter. As you constrict the flow of the water, its pressure decreases, but its speed increases. It's the speed of the flow and the quantity of that flow that displaces or cuts an accurate path through the material.

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