低噪音复合钛基润滑脂的研发

工学硕士学位论文低噪音复合钛基润滑脂的研发DEVELOPMENTOFLOW-NOISETITANIUMCOMPLEXGREASE李锦棒哈尔滨工业大学2011年6月国内图书分类号：TH117.2学校代码：10213国际图书分类号：621密级：公开工学硕士学位论文低噪音复合钛基润滑脂的研发硕士研究生：李锦棒导师：曲建俊教授申请学位：工学硕士学科、专业：机械设计及理论所在单位：机电工程学院答辩日期：2011年6月授予学位单位：哈尔滨工业大学ClassifiedIndex:TH117.2U.D.C.:621DissertationfortheMasterDegreeinEngineeringDEVELOPMENTOFLOW-NOISETITANIUMCOMPLEXGREASECandidate：LiJinbangSupervisor：Prof.QuJianjunAcademicDegreeAppliedfor：MasterofEngineeringSpecialty：MechanicalDesignandTheoryAffiliation:SchoolofMechatronicsEng.DateofDefence：June,2011Degree-Conferring-Institution：HarbinInstituteofTechnology哈尔滨工业大学工学硕士学位论文-I-摘要随着现代工业的发展，各行各业对轴承的噪音提出了更高的要求。在轴承加工精度越来越高的情况下，成为降低轴承噪音的重要因素。通过改变润滑脂的性能来改善轴承的噪音是一种既简单有经济的方法。复合钛基润滑脂是一种新型的多效润滑脂，具有非常优异的性能，应用前景广泛。因此，研制出一种具有低噪音性能的复合钛基润滑脂是有必要的。本课题主要从以下几个方面进行研究。研究了复合钛基润滑脂的基础油种类、基础油的比例、基础油的粘度、基础油的加入方式、原料之间的比例及不同添加比例的不同纳米颗粒等制备配方对润滑脂噪音性能的影响，根据试验结果总结分析得出规律，改进复合钛基润滑脂的配方，使所制备的复合钛基润滑脂具有良好的低噪音性能；对不同原料比例的研究采用正交试验的方法，由于酸与钛酸酯的量之间存在一定的比例，因此钛酸酯的因素水平定为活动水平，并用0.618法确定钛酸酯的活动水平。研究了炼制温度、冷却方式及研磨次数等制备工艺对复合钛基润滑脂噪音性能的影响，找到了一种可以使得复合钛基润滑脂具有良好低噪音性能的制备工艺。润滑脂的噪音测试采用速度型测试方法，所用仪器为杭州轴承试验中心有限公司生产的BVT-1型轴承振动测试仪。润滑脂的摩擦性能测试采用四球实验法，所用仪器为四球试验机。对所制得的低噪音复合钛基润滑脂的噪音性能、摩擦性能及理化性能进行测试，并与市场上的低噪音脂进行对比。通过课题的研究，总结出基础油、添加剂、酸与钛酸酯的比例以及炼制温度及冷却方式等对复合钛基润滑脂噪音性能的影响规律，并探索了润滑脂的噪音性能与所测的摩擦系数、磨斑直径及磨痕情况之间的相关性。该论文对低噪音复合钛基润滑脂的制备提供了指导，并为探索润滑脂的噪音性能与润滑脂的其他性能之间的相关性提供了借鉴。关键词：润滑脂；噪音；轴承；复合钛基脂；低噪音脂哈尔滨工业大学工学硕士学位论文-II-AbstractWiththerapiddevelopmentofmodernindustry,highqualitiesofgreasesarestringentlydemandedbymanyfactories.Greasebecomemoreandmoreimportantinreducingthenoiseofbearing.Bychangingthebearinggreasetoreducethenoiseofbearingisasimpleandeconomicalmethod.Ti-complexgreaseisanewmulti-effectgrease,hasveryexcellentperformanceandwideapplicationprospects.SoitisnecessarytodevelopakindofTitaniumcomplexgreasewhichcanreducethenoiseofbearing.Themainsubjectofthispaperisaboutthefollowingaspects.ResearchtheformulasofTi-complexgrease,includebaseoiltype,theratioofbaseoil,baseoilviscosity,baseoilwayofadding,differentratiobetweenmaterials,differentproportionofdifferentnano-particles.Theimpactoftestresultsanalyzedaccordingtorulesdrawn,improvedTi-complexgreaseformula,sothattheTi-complexgreasehasgoodlow-noiseperformance;researchontheproportionofdifferentmaterialsusingorthogonaltestmethod,Asaproportionofthefactorsexistsbetweentheamountofacidandtitanate,sotitanatesetatthelevelofactivity,anddeterminedthetitanatelevelofactivityby0.618method.Researchtherefiningtemperature,coolingandgrindingthecompositefrequencyofpreparationoftitanium-basedgreasenoiseperformance,findoutagreasecanmakethecompositetitaniumlow-noiseperformancewithgoodpreparation.Greasenoisetestingusingthespeed-basedtestingmethods,theinstrumentsfortheproductionofHangzhouBearingTestCentreLtd'sBVT-1bearingvibrationtester.ThefrictionperformanceofGreasetestedbyfour-ballmethod,andusethefour-balltestmachine.Testthelow-noisegreasenoiseperformance,frictionpropertiesandtestthephysicalandchemicalpropertiesofpreparedTi-complexgrease,andcomparedwithlownoisegreaseonthemarket.Throughresearchprojects,summedupthelawofbaseoil,additive,theratioofacidandtitanateandrefiningtemperatureandcoolingmethodhowtoeffectthelow-noiseperformanceofTi-complexgreaseandtoexplorethecorrelationbetweentheperformanceofthegreaseandthenoise.Thisresearchpaperprovideguidanceonpreparationoflow-noiseTi-complexgrease,andonexplorethecorrelationbetweenthenoisepropertiesofgreaseandotherpropertiesofgrease.Keywords:grease,bearing,noise,Titaniumcomplexgrease,lownoisegrease哈尔滨工业大学工学硕士学位论文-III-目录摘要.................................................................................................................................IAbstract...............................................................................................................................II目录..............................................................................................................................III第1章绪论......................................................................................................................11.1课题的来源及研究的目的和意义.....................................................................11.1.1课题来源..................................................................................................11.1.2研究的目的和意义..................................................................................11.2低噪音润滑脂的发展现状及趋势.....................................................................21.2.1影响轴承噪音产生的因素......................................................................31.2.2影响润滑脂噪音特性的因素..................................................................31.2.3噪音的测试..............................................................................................51.3复合钛基润滑脂的性能特点及应用.................................................................51.4本课题的研究内容.............................................................................................6第2章低噪音复合钛基润滑脂配方的研究..................................................................72.1原料的选择及试验设备..............................................................