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CoolantDeliverySolutionstoSolveYourProductionHeadachesChoosingtheRightNozzleOrificeDiameterFLOWRATEUSgal.min.2510203040608010015020030050010001500psipsipsipsipsipsipsipsipsipsipsipsipsipsi.040.07.10.14.17.20.26.31.35.41.46.61.881.21.4.062.19.25.37.44.51.62.73.801.01.21.52.13.03.8.086.36.51.72.851.01.21.51.72.02.32.83.75.26.3.110.64.901.41.61.82.22.53.13.64.15.26.58.910.9.1601.42.02.83.54.04.85.66.27.69.110.814.019.824.3.2202.53.75.26.77.89.310.611.814.416.519.625.235.543.5FlowRatesarebasedonwaterat68F20C.Actualresultswillvarywithfluidtypeextensionlengthandaimingangle.Table1.TypicalNozzlePerformanceDataNoteORIFICEDIAMETERinchesQPMDidyoueverfeelthatthecoolantsystemonyourmachinetoolswasaddedasanafterthoughtDoyouconstantlyhavetoimproviseandmodifynozzlesjusttogetcoolanttothetooltipAreyouafraidtorunyourmachinesunattendedincaseacoolantnozzlevibratesoutofpositionandstartsatoolmeltdownDoescoolantseemtobesprayingeverywhereexceptwhereitssupposedtobesprayingDoyouconstantlystopproductiontoadjustcoolantlinesIfyouansweredyestoanyofthesequestionsthenyourecertainlynotalone.Itseemsthatalmosteverymanufacturerfacestheseproblemsonaregularbasis.MostCNCmachinetoolshaveacoolantdeliverysystemdesignedtohandlealimitedrangeofapplications.Intherealworldhoweveryoursetupscanbeextremelyvariedandareonlylimitedbyyourimaginationsoyouneedlotsofoptionsforgettingcoolanttothecuttingedge.Nosinglenozzlewillworkwellforallapplications.Thatswhyweveengineeredawiderangeofcoolantnozzleproductstofityourmachines.Theyaredesignedtomeetthevariedneedsofmanufacturersjustlikeyou.IfyoudontseesomethinginthiscatalogthatwillworkforyoucallusandwellworkwithyoutosolveyourproblemCoolantperformsseveralfunctionsinthemachiningprocessincludinglubricationheatdissipationcorrosionpreventionchipcontrolanddustsuppression.Properlyapplieditcanhelpyouachievebettertoollifehigherproductionratesbetterfinishesandimprovedaccuracy.Improperlyapplieditcanactuallybedetrimentaltothemachiningprocess.Thenozzleplaysacriticalroleintheproperapplicationofcoolant.Itmustaccuratelydirectanadequateflowwithsufficientvelocitydirectlyatthetoolworkpieceinterfaceandmustresistvibrationswarfandinertialforcesthatcouldknockitoutofalignment.Allnozzlesareeasytoaimyetarerigidandcompacttoensurereliableproduction.Thetypeofnozzleyouchoosewilldependonyourapplicationandthetypeofcoolantportsonyourmachine.Selectthetypeofnozzlethatfitsyourmachinescoolantportsandthatisratedforyouroperatingpressure.Ifyouarenotsurewhatpressureyourcoolantpumpproducesitisoftenhelpfultoteeinapressuregagenearthepumpoutlet.Mostpeoplearesurprisedtofindtheirpumpputsoutfarlesspressurethantheythought.Chooseanorificesizethatmatchesyourpumpscapacity.Iftheorificeistoobigthepressurewilldropoffwitharesultantdropincoolantvelocity.Iftoosmallaninadequateamountofcoolantwillreachthetooltip.Tocalculatetheaveragecoolantexitvelocityimportantinsomegrindingoperationswhereitisoftendesirabletomatchorexceedtheperipheralvelocityofthewheelrefertotheformulaonpage3.Chooseanorificesizethatproducessufficientbackpressuretoachievethedesiredvelocity.Refertothetablebelowforinformationregardingflowratesofvariousorificesizesatdifferentpressures.