Increasing Pressure: To Get Cutting-Edge Performance

Welcome to All Sensors “Put the Pressure on Us” blog. This blog brings out pressure sensor aspects in a variety of applications inspired by headlines, consumer and industry requirements, market research, government activities, and you.

Increasing Pressure: To Get Cutting-Edge Performance

Commercial water jet cutting systems are used to machine a large variety of materials, including heat-sensitive, delicate or very hard materials. The process produces no heat damage to the workpiece surface or edges. To accomplish this, it uses a high velocity stream of ultra-high-pressure water at 30,000–90,000 psi (210–620 MPa) which is produced by an ultra-high-pressure pump that operates as low as 40,000 psi (280 MPa) up to 100,000 psi (690 MPa).  In some applications, abrasive particles are suspended in the stream to cut hard materials such as metal or granite. Water-only cutting is often used for softer materials such as wood or rubber. Because of the use of water, temperature is not a significant factor in the process. However, to withstand the extremes pressures, special nozzles for these cutters are typically made of sintered boride or composite tungsten carbide.

OMAX GlobalMAX 1530 Abrasive Waterjet Machine

OMAX GlobalMAX 1530 abrasive waterjet machine can cut almost any material and a wide variety of thicknesses without any heat-affected zone.
Source: OMAX Corporation

While the ultra-high-pressure in these machines seems to make systems that operate below 100 psi (689 kPa) rather easy to implement, achieving the desired accuracy, resolution and repeatability in the pressure measurements in these lower pressure systems still benefit from the use of microelectromechanical systems (MEMS) pressure sensors.

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