陶瓷工程外文翻译文献.docx

陶瓷工程外文翻译文献.docx

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陶瓷工程外文翻译文献

陶瓷工程外文翻译文献

（文档含中英文对照即英文原文和中文翻译）

POLISHINGOFCERAMICTILES

C.Y.Wang,*X.Wei,andH.Yuan

ABSTRACT

Grindingandpolishingareimportantstepsintheproductionofdecorativevitreousceramictiles.Differentcombinationsoffinishingwheelsandpolishingwheelsaretestedtooptimizetheirselection.Theresultsshowthatthesurfaceglossinessdependsnotonlyonthesurfacequalitybeforemachining,butalsoonthecharacteristicsoftheceramictilesaswellastheperformanceofgrindingandpolishingwheels.Theperformanceofthepolishingwheelisthekeyforagoodfinalsurfacequality.Thesurfaceglossinessafterfinishingmustbeabove208inordertogethigherpolishingqualitybecausefinishingwilllimitthemaximumsurfaceglossinessbypolishing.Theoptimizedcombinationofgrindingandpolishingwheelsforallthestepswillachieveshortermachiningtimesandbettersurfacequality.Noobviousrelationshipsarefoundbetweenthehardnessofceramictilesandsurfacequalityorthewearofgrindingwheels;therefore,thehardnessoftheceramictilecannotbeusedforevaluatingitsmachinability.

KeyWords:

Ceramictiles;Grindingwheel;Polishingwheel

INTRODUCTION

Ceramictilesarethecommondecorationmaterialforfloorsandwallsof

hotel,office,andfamilybuildings.Nowadays,polishedvitreousceramictilesaremorepopularasdecorationmaterialthangeneralvitreousceramictilesastheycan

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Copyrightq2002byMarcelDekker,Inc.

haveabeautifulglossondifferentcolors.Grindingandpolishingofceramictiles

playanimportantroleinthesurfacequality,cost,andproductivityofceramictiles

manufacturedfordecoration.Thegrindingandpolishingofceramictilesare

carriedoutinonepassthroughpolishingproductionlinewithmanydifferent

grindingwheelsorbymultipassesonapolishingmachine,wheredifferent

grindingwheelsareused.

Mostfactoriesutilizethegrindingmethodssimilartothoseusedforstone

machiningalthoughthemachiningofstoneisdifferentfromthatofceramictiles.

Vitreousceramictilesarethin,usually5–8mminthickness,andareasintered

material,whichpossesshighhardness,wearresistance,andbrittleness.Ingeneral,the

sinteringprocesscausessurfacedeformationinthetiles.Inthemachiningprocess,the

ceramictilesareunfixedandputontables.Thesecharacteristicswillcauseeasy

breakageandlowersurfacequalityifgrindingwheelorgrindingparametersare

unsuitable.Tomeettheneedsofceramictilesmachining,themachinery,grinding

parameters（pressure,feedspeed,etc.）,andgrindingwheels（typeandmeshsizeof

abrasive,bond,structureofgrindingwheel,etc.）mustbeoptimized.

Previousworkshavebeenreportedinthefieldofgrindingceramicand

stone[1–4].Onlyafewreportshavementionedceramictilemachining[5–8],where

thegrindingmechanismofceramictilesbyscratchingandgrindingwasstudied.It

waspointedoutthatthegrindingmechanismofceramictilesissimilartothatof

otherbrittlematerials.Forvitreousceramictiles,removingtheplasticdeformation

grooves,craters（pores）,andcracksareofmajorconcern,whichdependsonthe

micro-structureoftheceramictile,thechoiceofgrindingwheelandprocessing

parameters,etc.Theresidualcracksgeneratedduringsinteringandroughgrinding

processes,aswellasthermalimpactcrackscausedbythetransformationofquartz

crystallinephasesarethemainreasonsoftilebreakageduringprocessing.Surface

roughnessRaandglossinessaredifferentmeasurementsofthesurfacequality.Itis

suggestedthatthesurfaceroughnesscanbeusedtocontrolthesurfacequalityof

roughgrindingandsemi-finishgrindingprocesses,andthesurfaceglossinessto

assessthequalityoffinishingandpolishingprocesses.Thecharacteristicsofthe

grindingwheels,abrasivemeshsizeforthedifferentmachiningsteps,machining

time,pressure,feed,andremovingtracesofgrindingwheelswillaffectthe

processingofceramictiles[9].

Inthispaper,basedonthestudyofgrindingmechanismsofceramictiles,the

manufacturingofgrindingwheelsisdiscussed.Theactionsandoptimizationof

grindingandpolishingwheelsforeachsteparestudiedinparticularformanualpolishing

machines.

GRINDINGANDPOLISHINGWHEELSFORCERAMICTILE

MACHINING

Themachiningofceramictilesisavolume-productionprocessthatuses

significantnumbersofgrindingwheels.Thegrindingandpolishingwheelsfor

ceramictilemachiningaredifferentfromthoseformetalsorstructuralceramics.

Inthispart,someresultsaboutgrindingandpolishingwheelsareintroducedfor

betterunderstandingoftheprocessingofceramictiles.

GrindingandPolishingWheels

Ceramictilesmachininginamanual-polishingmachinecanbedividedinto

foursteps—eachusingdifferentgrinding