地面水磨石机的设计毕业课程设计外文文献翻译中英文翻译Word格式文档下载.docx
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地面水磨石机的设计毕业课程设计外文文献翻译中英文翻译Word格式文档下载.docx
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地面水磨石机的设计毕业课程设计外文文献翻译中英文翻译@#@1.英文文献翻译@#@1.1RIDINGFLOORPOLISHINGAND@#@GRINDINGMACHINEFORTREATINGCONCRETE,TERRAZZO,STONEANDSIMILARSURFACES@#@Oneoftherecentdevelopmentsintheartcontributingtotheincreasingpopularityofpolishedconcreteandstoneflooringisthediamond-impregnatedpolishingpad.Theindustrialdiamondabrasiveincorporatedintothesepadsgreatlyincreasestheeffectivenessandtheefficiencyofthepolishingprocess,somuchsothatexistingfloorpolishingandgrindingmachinescannotfullyexploitthepotentialsofthesestate-of-theartpolishingpads.@#@Thediamond-impregnatedpolishingpadsaremuchmoreeffectiveandcapableofstrippingoffmaterialfromtheexposedsurfaceofconcreteandstoneflooringtoachieveaverysmooth,highluster,polishedsurface.Thediamondsinthepadscandigintotheextrudingsurfacematerialtoamuchgreaterdegreecomparedtoearlierpadtypesandcanstriptheextrudinglayerofmaterialoffmucheasiercomparedtopadspreviouslyavailable.Thediamondimpregnatedpadscanalsocontinuetoremovematerialmoreeffectivelyatagivensmoothergradeofpad(e.g.gritrating)andachieveasmootherfinishthanidenticallyratedpads.@#@Newerdiamond-polishingtechnologynowmakesitpossibletogrindandpolishconcretesurfacesatupto3000-gritfinishes.Thesefinelypolishedconcretefloorsareessentiallyno-maintenanceflooring.Removingallprevioustreatmentsandthenpolishingthefloorcanbeaone-timefixthatreducesmaintenancecosts,minimizinganyrequirementforexpensivewaxesorothercoatings.Afterdiamondpolishing,theonlymaintenancerequiredistheremovalofdirt,oils,andotherforeignsubstancesthatcanstaintheconcrete.@#@Currently,mostvendorsofstoneorconcretefloorpolishingservicesuseaconventionalsingle-padrotarybuffermachineoperatedbyasingleworkerwithadiamond-impregnatedpolishingpadattached.Suchmachinesarelimitedineffectivenessbecauseofthelimitedsizeoffloorareathatcanbepolishedandgrindedinagivenperiodoftime.Thelimitedsizeofthebuffer’spolishing“footprint”isbutonefactorinthelimitedefficiencyofasingleoperatorusingafloorbuffer.Thisinefficiencyextendsinlargemeasurefromaninabilitytofullyexploittheenhancedpolishingandgrindingpropertiesofthediamond-impregnatedpads.Also,theconventionalsingle-padfloorbuffercannotexertsufficientverticalforceontothefloorsurfaceforthepadtodigintoandgriptheuppersurfacelayerofthefloormaterialformaximumgrinding.Norcanaconventionalsingle-padbufferdevelopsufficientrotationalpowertostripofftheuppersurfacelayerofthefloormaterialtoasufficientdegree.Itisalsocostprohibitivetopolishaverylargefloorareatothedegreeofsmoothnessnowpossiblewiththenewertypeofpads.Moreover,ifaconventionalbuffermachinecouldfullyexploitthepads’potential,theforcesexertedagainsttheoperatorwouldbesuchthattheoperatorcouldnotcontrolthebuffer.Assuch,itisdifficultforanoperatortocontrolthebufferandachieveauniformfinishoverlargeareas,oftenleavinginclusionsor“swirling”visibleinsectionsoftheflooring.@#@Earliereffortstoimproveupontheabilitytoexploitdiamond-impregnatedpadshasusuallycentereduponmodifyingfloorscrubbermachinedesignsforuseinpolishingandgrindingconcreteandstonefloorsurfaces.However,sucheffortshavenotbeensuccessful.Suchmodifiedmachineslackthenecessaryrotationalpower,cannotexertoptimalverticalpressure,andcannoteffectivelydispensepolishingsolution.OnepriorartmachinespeciallydesignedforconcretegrindingandpolishingistheDraygonRGS50.TheRGS50isnotasatisfactorysolutionbecauseitfailstoadequatelydispensewaterorpolishingsolution.Itislimitedinitsgrindingwheelconfiguration,andtheamountofverticalforceappliedtothegrindingsurfaceisnotwell-regulated.@#@Thus,theRGS50hastroubleperformingthegrindingoperationwithoutleavinginclusions,swirling,orotherimperfectionsinthesurface.TheRGS50alsohasalimitedcapacityforwaterorpolishingsolution.@#@Thereremainsarequirementforamachinethatpossessessufficientenginepowertorotatepadswithsufficientrotationalforceandsufficientandregulatedverticalforcetodigintothefloorsurfacetoremovematerialtotheextentthatdiamondpadsmakepossible,tocoveragreatersurfaceareaduringoperationsuchthatitispossibletogrindandpolishfloorsurfacestoasuperiorsmoothnesswithgreaterefficiencyandatareasonablecost,andtoachieveauniformfinishthatisfreeofinclusionsorswirlpatterns.Thereisalsoaneedforamachinethatofferstheabilitytoquicklyandeasilychangepadsuponuseorfromacoarsetoafinergritrating.Thereisalsoaneedforamachinethatpossessesacenterli
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