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外文翻译--斗轮取料机.doc

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外文翻译--斗轮取料机.doc

FullTextCOPYRIGHT2008ReedBusinessInformationLtd.AllRightsReserved.JamieWadeWiththehelpofaliftingsolutionscompanyengineersatThyssenKruppreducedtheassemblytimeofbuildinganurgentlyneededbigbucketwheelreclaimer.RodLindbladewritesIncreasingthecapacityofAustraliasbigcoalshippingportsisvitalsightingthehugequeuesofshipswaitingweeksandweekstoloadistotallyunacceptabletomanypeopleanddoesnotreflecttheabilityofinnovative,energetic,candoAustralianstogetthingsdoneontime.However,aninterestingexampleofAustralianingenuityandgettingthingsdoneontimerecentlyemergedattheHayPointCoalTerminal,30kmsouthofMackayonthecentralQueenslandcoast.Itwasaprocedurethatreducedtheassemblytimeofanurgentlyneededbigbucketwheelreclaimerandaprocedurethatsavedsignificantconstructiontimeanddollars,saidJimCarr,generalmanagerbusinessdevelopmentandcustomersolutionsatBoomLogisticswheninitiallydiscussingtheprojectwithAustralianMining.TheengineersatThyssenKrupp,thecompanyselectedtodesignandbuildthenewreclaimer,believedabetterandfasterwaycouldbefoundtobuildthemainboom,finishitbyaddingallcomponentsandthenattachingtheboomtotheStacker/Reclaimerinthecompletedstate.Havingdevelopedarevisedwayofassemblingtheirnewmachine,ThyssenKruppengineersthencalledinBoomLogisticsHeavyHaulageDivisiontoseeiftheirideacouldbemadetowork,andifBoomhadtheuniqueequipmentrequiredforthisprocedure.Previously,withthissortofproject,thebuildingprocesswouldinvolvethe60mlongboombeingprogressivelyassembledafterattachingthebaseunitoftheboomtothemachine,explainedPeterChapmanofThyssenKrupp.ThealternativeprocessthattheThyssenKruppengineersvisualisedwasoneofbuildingtheboomofthereclaimeratgroundleveland,whenmoreorlesscompleted,movingitclosetothemachineandthenliftingitupandintopositionforattachingtotheslewingdeck.WechosetodiscusstheprocesswiththeheavyhaulageexpertsatBoomLogistics,saidChapman.Theywereabletoconfirmthattheproposedprocesscouldbecarriedoutand,importantly,theyhadtheequipmenttodothejob,headded.Theprocesswasapush,pull,carryandliftprocess,saidDarrenJonesofMackaydepotofBoomLogisticsHeavyHaulageDivision.The205tonneboomofthereclaimerwassittingonstoolsataheight,justover2.4maboveground.Ascanbeseenintheaccompanyingphoto,welocatedourlowprofileprimemoverandfloatunderthefarendoftheboom,andwecoulddothatastheprimemover,adaptedfromaCLRMackchassisandpoweredbya210hpengine,isonly1.2minoverallheight.Then,withaliftmechanismonourfloatwewereabletoliftthereclaimersboomupoffthestandswiththe125tonneweightofthatendoftheboomthencarriedbythefloat,explainedDarren.Thecrewwerethenabletobringinthebigfullsize550hpMackTitanprimemoverwithaspeciallyengineeredfrontmounteddrawbarandconnectittothefloat.WiththeotherendofthereclaimersboomtobeliftedbyaManitowoc200tonneringercrane,allwasreadyfortheliftandshift.First,theendoftheboomtobeliftedbytheringercranewasraised12m,beingthefinalheightforattachingtotheslewdeckbeforethemovingprocesscommenced.Thecrane,withtheloadsuspended,wasinfreeslewmode,sothereclaimerboomcouldbemovedforwardtowardsthemachine.Withringercraneholdingupthereclaimersboom,aswellasslewingitsownboomandthelowprofileprimemoveraidedbythepushfromthebigMackwewereabletomoveforward1matatime.Then,aswenearedthemachine,extremecarewasexercised.Thereclaimersboomwasinchedintopositionforattachingtothemountingpoint.Absoluteprecisionwasrequiredinordertoinsertthe180kgpinsthroughthebearingsintheboom,addedDarren.Withthisprocess,usingBoomsheavyhaulageequipmentandcrew,ThyssenKruppwereabletomakeconsiderablesavingsandmoreimportantly,reducetheriskofworkingatheight,whencomparedwiththeearliertechniqueoffittingoutthereclaimerboomwhenitwaslocatedupintheairneareritsworkingpositionandattachedtothemachine.Firstsavingwastheneedforonlyonelargecrane,inlieuoftwo.Secondsavingwaseliminatingmanyworkingatheightissues.Andthirdsavingwascompletingthejobinfarshortertimeaboutsixweeksshorter.ThattranslatestofarlesswaitingtimeforthehugefleetofcoalcarryingshipsanchoredoffHayPoint,allatahugecost.Australiansarecandopeople,ashasbeenseenmanytimesintheresourcessector.Justletthemgetonwiththejob.WrittenbyRodLindbladeforBoomLogisticsLtd.Formoreinformation,callRodatNorthfieldCommunicationsBusinesstoBusinessadvertisingandjournalismon0396819585,oremailrodnorthcom.net.au.JimCarrBoomLogisticsjcarrboomlogistics.com.auwww.boomlogistics.com.au

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