数字印刷翻译毕业论文文档格式.docx
- 文档编号:14035111
- 上传时间:2022-10-17
- 格式:DOCX
- 页数:7
- 大小:22.02KB
数字印刷翻译毕业论文文档格式.docx
《数字印刷翻译毕业论文文档格式.docx》由会员分享,可在线阅读,更多相关《数字印刷翻译毕业论文文档格式.docx(7页珍藏版)》请在冰豆网上搜索。
PhilGreen
Digitalprintingiscurrentlythemostrapidlygrowingprintsector,andonewhichisopeningupnewpossibilitiesofshort-runcolorwork.Itisalsoenablingentirelydifferentrelationshipsbetweenthepurchaserandsupplierofprintedproductsandmakingpossibleallkindsofnewproducts.
Theconventionalprintingprocessesdescribedearlierinthischapterarematuretechnologies.Thetechnologicaldevelopmentoftheseprocesseswillcontinue,butwilltendtodeliveronlyincrementalimprovementsinperformance.Digitalprinting,bycomparison,isstillatanearlystageinitsdevelopmentandwillcontinuetodeveloprapidly,openingupnewmarketsandmakingincreasinginroadsintotheconventionalprocess.
Inthemediumtermatleast,itishighlyunlikelythatdigitalprintingwillentirelyreplacetheconventionalprocesses.Thisisfortwofundamentalreasons:
●Thecostofcolorantsusedmakesunitpricestoohightocompeteonlongerruns;
●Modernprintingequipmentisdesignedaroundproductioneconomiesofscale,withhighspeeds,largeformatsandinlineprocessessuchasfoldingandcoating,anditwillbesometimebeforemanufacturersbuilddigitalpressesthatcancompeteonhighproductionvolumes.
Thestrengthofdigitalprintingisthereforelargelyinshorterprintruns.However,theshort-runmarketisexpandingfastasprintrunsforalltypesofproductarefalling,andnewproductsaremadepossiblebyintegrateddigitalproduction.Adirectcostcomparisonbetweendigitalandconventionalprintingmaynotberelevantineverycaseasdigitalprintingcanoftenprovideabettersolutiontoacommunicationproblem,addingvalueandgeneratingsavingselsewhereintheproductioncycle,forexample,inadministrationordistributioncosts.Thislogicalsoappliestotheprintbuyerswhenthinkingofincorporatingdigitalprintingintotheirownoperations,addingthemtotheirexistingdesignandprepressoperations.Totakeaexampleinretailing,instoreprintingfacilitieslinkedtoinstallandrunthanpurchasingfromexternalsuppliers,butthemarketingbenefitsmayoutweightheadditionalcosts.
Thepointatwhichdigitalandconventionalprintingbreakseventendstobeatarunlengthofaround1000copies(moreforblackandwhiteandlessforcolor).Runlengthsthatdonotfallautomaticallyintotheprovinceofconventionalordigitalwillbedecidedbytheaddedvalueoftheprocess:
fordigitalprintingthisincludesdistributedprintingandtheabilitytovarytheimagewitheachcopy,whileforconventionalprocessessuchaslithoitwillincludethehigherqualitylevels,thegreaterrangeofsubstratesthatcanbeprinted,andtheavailabilityofinlineprocessessuchascoating.
Digitalprintingtechnologies
Digitalprinterscurrentlyfallintofourbasictypes:
●Pageprintersthatprintflatsheetsofpaper,usuallyinA4formatbutsometimesuptoA3(theserangefromdesktopprinterstohigh-speedcopier/printerslikeDocuTech,andincludehigh-qualitycontinuoustoneprintersusedmostlyforproofsandpresentationmaterials);
●Large-formatdevicesthatprintoncontinuousrolls,mainlyforshort-runposters;
●Overprintingheadsforaddingproductcodes(mainlyforpackaging)thataremountedontoconventionalpressesorfinishingequipment,oronpackaginglines;
●Reel-fedmachinesthatprintatspeedscomparabletoconventionalprintingpresses.
Adigitalprinterhastwofundamentalcomponents:
amarkingenginethattransferscoloranttothepaper,andafront-endthatpreparesthedatausedtodrivethemarkingengine.ThefrontendwillincludeaRIPandamemorybuffer.Thepagedataistransferreddirectlytothefrontendwithouttheneedforfilmsandplates,sotherearelargepotentialsavingsincosts.
Becausethedigitalprintingdeviceisdrivenbydataandrequiresnoplates,theimagecanbechangedforeachsuccessiveprint.This‘variableimage’printingconcepthasgreatpotentialinteresttopublishersandadvertiserswhoareinterestedintailoringtheircommunicationsmorecloselytowhatisknownabouttheiraudience,ofteninconjunctionwithsophisticatedmarketingdatabases.
Digitalprintingsystemsthatoperateathighspeedsorhighresolutionsrequirededicatedfrontendsandlargememorybuffers,butlow-enddevicessuchasdesktop[printerscanmakeuseofsoftware-basedprinterdriversthatsitontheuser’shostcomputer.
Themostwidely-usedtechnologiesinmarkingenginesareinkjet,laseranddyesublimation.
Inkjet
Inkjetprintersdeployanarrayofnozzlestoprojectinkdropletsontothepapersurface.Thenozzlesarerelativelycheaptoproduce,andwiderarraysthatcanimageamovingwebofpaperarecurrentlyindevelopment.Inkjetprintheadsarefoundinallthetypesofdigitalprinterlistedearlier,anddominatethelarge-formatandoverpr
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 数字 印刷 翻译 毕业论文