高速液體靜壓絲杠螺母副的研究.pdf

1、蘭州理工大學(xué)碩士學(xué)位論文高速液體靜壓絲杠螺母副的研究姓名：趙樹清申請學(xué)位級別：碩士專業(yè)：測試計(jì)量技術(shù)及儀器指導(dǎo)教師：羅生梅20080428碩士學(xué)位論文AbstractHydrostaticsandaerostaticscrewhavebeenappliedwidelyontheultraprecisionmachinerybecauseofhighrotationalaccuracy，calmoperation，lowfrictiona

2、ndlonglifc—spanetcInthispaper，thebearingcapacity，staticstiffnessofthehydrostaticpressureleadscrewnutandassociatedtheoreticalcalculationfOrmulawereanalyzedintheoryAnddeVelopshydrostaticsscrewandhydrostaticandaefostaticpor

3、ousthrustscrewandusethecoolingsystemforcedcOoling，sothesystemcaneffectiVelycontrolthetemperatureriseIntheconditionsoftheabsolutelyrigidliquidassumptions，theinternalnuidfilmpressuredistributionequationwasdeducedThroughsim

4、ulation，thecurVesofVariousinfluencingfactorswithsystemcapacitywereobtained，aswellasthemainheatsource—nowffictionpowerinthereleVantfactorsandtheirrelationshipThemainfactorswhichimpactthesystemcapacityandpowerofftictionhaV

5、ebeenanalyzed，andtheresultsdescribedthatintheallowablerange，thechangeonthedisplacementwhichcasedbythechangeofexternalloadaffectlittleonthefriction，sotheffictionheatwhichgeneratedbyexternalloadisnotthemainfactorThechangeo

6、ftemperatureaffcctsheaVilyonthclubricants，s0howtocontrolstrictlytemperaturerisingofthesystemisVcrysignjficantHydrostaticandaerostaticexperimentalrigwasdesignedonwhichthestaticpefformanceOfscrewsystemandbearingscOuldbeach

7、ieVedThebestparametersandstructuresofdesigningstaticnutcanbefoundthroughtheexperimentalanalysisofdifferentstructure，differentparametersstaticnuts，itis900dforthedeVelopmentofhydrostatleadscrewnutThestructureofhydrostaticl

8、eadscrewintheprocess0fhigh—speedplaysaextfemelyimporlantrole，notonlyaffectthesystemload，butalsodirectlyaffectthesystemtemperature，thusaffectingtheallperformanceofthesystemBasedontheanalysisofheattransferknowledge，fromthe

9、heatconduction，describingtemperatureeffectsonthesystemrelatedfactors，andpointingouttheimportancethatthenutinthehydrostaticpressureinthecoolingsystcmKeywords：Hydrostaticandaerostaticscfew；Carryingcapacity；Tempcraturerisc；