BMWrecommendsTheBMWPartnershipDryFilmLubricants08.03.2005PresentationoftheCastrol“DryFilm”projectatBMW,Oxford(UK)BMWrecommendsHistoryofSteelMillAppliedLubricantsCORROSIONPREVENTIVESDRYFILMLUBRICANTSBASEDONPOLYMER2.GENERATIONPRELUBESSEMIDRYFILMLUBRICANTSTHIXOTROPICCORROSIONPREVENTIVESPRELUBES2.GENERATIONTHIXOTROPICCORR.PREVENTIVESDRYFILMLUBRICANTSBASEDONPARAFFINDRYFILMLUBRICANTSBASEDONWAXDISPERSIONDRYFILMLUBRICANTSBASEDONESTER1990199620002001BMWrecommendsAdvantagesoftheDryFilmTechnologySuperiorlubricationMultisubstratecompatibilityincludingaluminumDry-to-the-touchfilmReducedquantitiesappliedMechanicalsurfaceprotectionCleanworkingenvironmentBMWrecommendsTypesofDryFilmLubricantsEsterMineraloilbasedHotmeltPolymerOrganicsolvendbasedWaterbasedVOCEnergyBMWrecommendsTypesofDryFilmLubricantsSemiDryFilmLubricants•-Greasy•-KonusPenetrationappr.20mmDryFilmLubricants•-Lacqueurorwaxy•-NeedlePenetration10mmBMWrecommendsTypesofDryFilmLubricantsAdvantagesofesterbasedhotmelts•Extremedrawingperformance•Excellentcorrosionprotection•Nodryingorcuringtime•Noemissions,noVOC•Easyapplication(electrostaticorairless)•Environmentallyfriendly•BasedonrenewablerawmaterialsBMWrecommendsR&DDemandsforDryFilmLubricantDesignSignificantlyimproveddrawingperformancecomparedtoprelubesApplicationwithexistingelectrostaticsprayequipmentCompatibilitywithexistingandfuturecataphoreticdippaintsystemsSealerandadhesivecompatibilityOneproductforsteelandaluminumEnvironmentallyfriendlyBMWrecommendsTypicalFrictionCoefficientsforLubricants00,050,10,15Corr.PreventivePrelubeBlankWashFluidSpotlubricantDryFilmLubricantFrictionCoefficient[µ]BMWrecommendsCastrolDryFilmLubricantIloformPN950DFR+KTester–CupDrawingTest,SubstrateZE282930313233343536max.drawforce[kN]CorrPrelubeSpotIloformDFBMWrecommendsEvaluationofthedrawingperformancebyusingthestripdrawingtestCooperationwiththeUniversityofWaterloo(Canada).Usingthe“FlatDieRigg”,builtbyajointaction.Drawingspeed:0–500mm/sMaximumforce(witha10000mm²“Tool”):75N/mm²VariablecontactareaQuicktoolchangepossiblePossibletooltemperature:RT–appr.300°CComputerisedcalculationofthefrictioncoefficientµQuickchangeofmaterial,lubricantandcoatingweightpossibleBMWrecommendsFlatDieRigDrawingIBMWrecommendsFlatDieRigDrawingIIBMWrecommendsTestFacilityattheUniversityofWaterloo(CAN)“FlatDieRigg”modified80tpressBMWrecommendsDryFilmLubricantondifferentmaterialsFlatDieTestStation-UniversityofWaterlooResultsofIloformPN950DFacc.VDA230-20100.020.040.060.080.10.120.14481216202428323640N/mm²µZEZFGalv.AlForcelimitsetto400kNThemaximumforcewaslimitesduringthetestsduetosafetyreasons(40N/mm²).Ingeneralanmaximumfordeof75N/mm²ispossiblebyrespectingtheVDAparameters.Duringthetest,nostick-slipwereseenforCastrolIloformPN950DF.V=const.MineraloilbasedDryFilmLubricantsPrelubes**ConventionalPrelubes(mineraloilbased)BMWrecommendsDryFilmLubricantonBareSteelTestResultsIloformPN950DFanalogVDA230-20100.020.040.060.080.10.120.14481216202440N/mm²µ50mm/s400mm/sPoly.(400mm/s)Poly.(50mm/s)Maximumnormalforcewasonlylimitedbythesettingofthetestequipment,afteradjustingthissettingwewillbecapabletoperformtestsupto75N/mm².Duringourpreliminarytestingnostick-slipwasobserved.BMWrecommendsDryFilmLubricantonElectrogalvanizedMaterialTestResultsIloformPN950DFanalogVDA230-20100.020.040.060.080.10.120.14481216202428323640N/mm²µ50mm/sPoly.(50mm/s)Maximumnormalforcewasonlylimitedbythesettingofthetestequipment,afteradjustingthissettingwewillbecapabletoperformtestsupto75N/mm².Duringourpreliminarytestingnostick-slipwasobserved.BMWrecommendsDryFilmLubricantonHot-dipGalvanizedMaterialTestResultsIloformPN950DFanalogVDA230-2000.020.040.060.080.10.120.14481216202428323640N/mm²µ50mm/s400mm/sPoly.(400mm/s)Poly.(50mm/s)Maximumnormalforcewasonlylimitedbythesettingofthetestequipment,afteradjustingthissettingwewillbecapabletoperformtestsupto75N/mm².Duringourpreliminarytestingnostick-slipwasobserved.BMWrecommendsDryFilmLubricantonGalvanealedMaterialTestResultsIloformPN950DFanalogVDA230-2000.020.040.060.080.10.120.14481216202428323640N/mm²µ50mm/s400mm/sPoly.(50mm/s)Poly.(400mm/s)Maximumnormalforcewasonlylimitedbythesettingofthetestequipment,afteradjustingthissettingwewillbecapabletoperformtestsupto75N/mm².Duringourpreliminarytestingnostick-slipwasobserved.BMWrecommendsDryFilmLubricantonAluminumTestResultsIloformPN950DFanalogVDA230-2000.020.040.060.080.10.120.14481216202428323640N/mm²µ50mm/s400mm/sMaximumnormalforcewasonlylimitedbythesettingofthetestequipment,afteradjustingthissettingwewillbecapabletoperformtestsupto75N/mm².Duringourpreliminarytestingnostick-slipwasobserved.BMWrecommendsInfluenceofDieTemperatureonFrictionCoefficientIloformPN950DFonElectrogalvanizedMaterial00,020,040,060,080,10,120,14204060°CµFrictioncoefficientdeterminedat400mm/sdrawingspeedBMWrecommendsRemovabilityTestIloformPN950DFacc.toVDA230-201andRenaultSpecificationSubstratebaresteelelectrogalv.hot-dipgalv.galvannealedRenaultSpec./Sollac-TestpassedpassedpassedpassedSubstratebaresteelelectrogalv.hot-dipgalv.galvannealedVDA