Water-jet technology
High pressure water technology is one of the many projects being developed by the DSIR Southern Industrial Development Division (SIDD). “Water jet cutting technology was originally developed overseas in the aircraft industry,” says the division’s director, Mr Dennis O’Brien.
“We brought the technology to Christchurch and we are presently committed to a programme of research owing to the potential for further advances that could benefit New Zealand.
“Prototype equipment which operates at pressures up to 414 MPa (60,000 psi) has been developed at SIDD and is being used for experimental research work;”
High pressure water jets have been established overseas as a commercially viable cutting technique. Advantages of this technology include uniform cutting, no pressure on the material and no tool sharpening. The prototype equipment developed by the division is suitable for cutting soft to firm materials such as plastics, cardboard, fibreglass and foodstuffs. Abrasive water jet equipment operating at pressures up to 207 MPa (30,000 psi) can be used to cut hard and brittle materials including glass, metal, concrete and timber products. High pressure water jet equipment can be integrated into a computer controlled system.
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Press, 22 August 1989, Page 25
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188Water-jet technology Press, 22 August 1989, Page 25
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