低噪音聚脲潤滑脂的研制及摩擦學(xué)性能研究.pdf

1、中南大學(xué)碩士學(xué)位論文低噪音聚脲潤滑脂的研制及摩擦學(xué)性能研究姓名：李小紅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：毛大恒符戇20071203中南大學(xué)碩士論文ABSTRACTABSTRACTRecentlywiththeincreasingofapplicationofexactrollingbearing，bearing’SshakeandnoisearethoughtmoreandmoreofbypeopleNowexactbea

2、rings’usingconditionsaremoreandmorerigorous，therequirementstolubricatinggreasebecomehigherandhigherwhichmainlyarelonglife、high／lowtemperatureandhigh／lowspeeduseadaptability、lownoiseandSOonPolyureagreaseisconsideredasanew

3、highefficiencygreaseandoneofthelubricatinggreasesthathavethebestdevelopmentforegroundin21thcenturywiththecharactedsticsoflonglife、hi曲temperatureresistance、lownoiseandmultiuseEarlierinthe1990s，withtheureagreasetechnology’

4、SdevelopmenturealownoiselubricatinggreasewasexploitedandwasappliedwidelyMostofthelowlubricatinggreasessoldinmarketarefromtheforeignercountries，andtheonlyseveralhomemadelow—noisegreaseshavetheworsenoisereducingperformance

5、thanthecongenerproductsoverseasPresentlytheresearchesaboutbearing’Snoisecharacteristicandtheexploitationoflow—noiselubricatinggrebehavebeenthepopularresearchdirectionoverseas，butthereisn’tanyresearchreportinourcountryThe

6、refore，researching也enoisecharacteristicofbearinglubricatinggrease、exploitinglownoiserollingbearinglubricatinggreaseandfinallysolvingtheproblemthatthelow—noisegreasesrelyonimportationhaveimportanteconomicandsocietalsignif

7、icanceInordertoexploitlownoisepolyurealubricatinggrease，thefollowingresearchjobshavebeendone1Throughnumerousexperiments，findingabatchformulaandpreparingtechnologythatmakethepolyurealubricatinggreasehavebetternoisereducin

8、gproperties2Preparealownoisepolyurealubricatinggrebe，andcontrastitsnoisepropertiesandtriboloicalpropertieswiththatofotherlubricatinggrebe，resultsshowthatthepreparedpolyurealubricatinggrease’Snoisereducingpropertyandtribo