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Picking the right waterjet for your needs requires consideration of several technical factors. The pump's cutting speed and maximum thickness of the material to be cut are both important criteria. Professional workshops that handle many projects may need a higher cutting speed, while hobbyists or small scale shops often prefer a lower pressure waterjet to save on costs.
How to Pick a Waterjet Pump
The best way to choose a waterjet pump is to evaluate your application and your budget. Then, based on the material to be cut and the maximum thickness of the workpiece, prioritize your options from low to high.
How to Select a Waterjet Nozzle
The nozzle has a strong effect on the performance of the water-jet pump. For example, the nozzle can increase the flow resistance of the water-jet and reduce the cavitation effect of the water-jet. It can also increase the air entrainment rate and the axial velocity attenuation of the water-jet.
The nozzle's divergence angle is an important factor that can significantly influence the water-jet performance. When the divergence angle is large, the nozzle exit velocity is large, the air entrainment rate is large and the air volume fraction of the water-jet is high. As a result, the water-jet has strong entrainment effects and a larger effective area for coal breaking.
