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ID:25169330
大小:45.70 KB
页数:16页
时间:2018-11-18
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1、外文翻译ENNLISHTRANSLATIONConveyorbeltPointofcontactbetweenapowertransmissionbeltanditspulley.Aconveyorbeltusesawidebeltandpulleysandissupportedbyrollersoraflatpanalongitspath.Theseconveyorstructurescontainbeltsformovingbulksulfurfromrailcarstostoragepilesandfromthepilestoships.Abeltconveyor
2、consistsoftwoormorepulleys,withacontinuousloopofmaterial-theconveyorbelt-thatrotatesaboutthem.Oneorbothofthepulleysarepowered,movingthebeltandthematerialonthebeltforward.Thepoweredpulleyiscalledthedrivepulleywhiletheunpoweredpulleyiscalledtheidler.Therearetwomainindustrialclassesofbeltco
3、nveyors;Thoseingeneralmaterialhandlingsuchasthosemovingboxesalonginsideafactoryandbulkmaterialhandlingsuchasthoseusedtotransportindustrialandagriculturalmaterials,suchasgrain,coal,ores,etc.generallyinoutdoorlocations.Generallycompaniesprovidinggeneralmaterialhandlingtypebeltconveyorsdono
4、tprovidetheconveyorsforbulkmaterialhandling.Inadditionthereareanumberofcommercialapplicationsofbeltconveyorssuchasthoseingrocerystores.Thebeltconsistsofoneormorelayersofmaterialtheycanbemadeoutofrubber.Manybeltsingeneralmaterialhandlinghavetwolayers.Anunderlayerofmaterialtoprovidelinears
5、trengthandshapecalledacarcassandanoverlayercalledthecover.Thecarcassisoftenacottonorplasticwebormesh.Thecoverisoftenvariousrubberorplasticcompoundsspecifiedbyuseofthebelt.Coverscanbemadefrommoreexoticmaterialsforunusualapplicationssuchassiliconeforheatorgumrubberwhentractionisessential.M
6、aterialflowingoverthebeltmaybeweighedintransitusingabeltweight.Beltswithregularlyspacedpartitions,knownaselevatorbelts,areusedfortransportingloosematerialsupsteepinclines.BeltConveyorsareusedinself-unloadingbulkfreightersandinlivebottomtrucks.Conveyortechnologyisalsousedinconveyortranspo
7、rtsuchasmovingsidewalksorescalators,aswellasonmanymanufacturingassemblylines.Storesoftenhaveconveyorbeltsatthecheck-outcountertomoveshoppingitems.Skiareasalsouseconveyorbeltstotransportskiersupthehill.Awidevarietyofrelatedconveyingmachinesareavailable,differentasregardspr
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