A nozzle is a device designed to control the flow of a fluid as it exits a pipe. Nozzles are frequently used to control the rate of flow, velocity, direction, and shape of a liquid before it enters a manufacturing process.
Theory and Application
In wet grinding, the nozzle(s) is used to condition the flow of a cutting fluid from a pump into the grinding process with a certain direction, profile, flow rate, and pressure to make the grinding process successful. The direction can be either radial, axial, or tangential to the grinding wheel or a combination of two or more directions. The flow rate has to be of a sufficient value to extract process heat and allow the lubricity additives to function. The profile of the flow should match the shape of the grinding wheel active surface. Pressure is used to accelerate the fluid to a certain velocity to impinge the wheel and thereby wet it or to force the fluid into the porosity of the wheel. The applied flow rate is a...
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