Servizio Comunitario di Informazione in materia di Ricerca e Sviluppo - CORDIS

Optimisation and evaluation of coolant supply conditions by in-process AE-monitoring

During finish-grinding-investigations IFW had to focus on reducing the coolant supply with regards to electric energy savings as well as waste reduction. In order to do so, a monitoring system was developed.

In grinding, thermally induced phase transitions are believed to emit acoustic emission signals. Any significant change for the worse in the coolant conditions will therefore increase the AE level, since the thermal infliction on the part¿s subsurface will increase.

IFW has developed a testing strategy and given guidelines for the filter settings, to identify the optimum coolant condition within a set of given alternatives. By this technology it is possible to evaluate between several coolant nozzles as well as to set the optimum coolant flow rate.

This technology was currently applied to external plunge grinding processes but is believed to be transferable to peripheral surface grinding processes as well.

Experimental findings correlate to the guidelines based on measured data given by UoB.

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