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1、摘要彩色鎏翻自動控制是凹版印屬《帆質(zhì)量僚證的必隳手段。世巽一魑蔫名的凹版印刷褪露《造爨豢鴦囊己的葭魏套露控利裝蒺,我戴在90年代方開始這方露豹磅究。經(jīng)過多年工作,取得一些成槊。但現(xiàn)在擁有自動套印控制系統(tǒng)的廠家不多。兔技拳更耨孳l避贛設(shè)餐,莠非浸馕方寰。攫攢疆蠢條傳,贊辯爨存在瓣勰題,馥逑老設(shè)備,設(shè)計性能價格比較好的自控系統(tǒng),仍然是有效途鏹。這就是本課題的飪努。本論文王終黲綴戲及英特點如下:·采用叛鄰色為基準(zhǔn)靜雙光電疆檢測法檢溺色標(biāo)脈沖信號,針對不同顏色色標(biāo)脈沖售譬挺值不鼷,采攫軟硬饞耀縫臺的技術(shù),實瑰}E較逸乎艙篷動增益及手動調(diào)節(jié)?!じ鶕?jù)色標(biāo)脈沖信號的特點,通過軟件自動尋址,設(shè)
2、讖波門的開關(guān),減少示波器蔣硬件設(shè)備蕈玨電路,咚低成_本,籬化操作過糕?!け容^綜合備種控舔棼法,莆I溺采樣瀚期與滯后辯鬩鶼捐對圈定的關(guān)系進行控制?!げ捎没旌闲盘柤墕纹臗ygnalF310的離逮阿編程計數(shù)陣列PCA捕捉脈沖鑣號,既達到較商的套印偏差檢溯精度,又減少硬件電路設(shè)計?!じ魈子】刂葡到y(tǒng)采鯔C5t編程實現(xiàn)縭差的棱測及控制。上位機采粥LabVIEW編程,翻用VISA技術(shù)實現(xiàn)與單片轆閾豹逶{囂及裂霜ADO技術(shù)諺悶數(shù)據(jù)庫鐮功糍,實凌對備印刷單元的參數(shù)設(shè)置及實時測婕數(shù)據(jù)的采集、顯示與存儲。整個控翻系統(tǒng)幽一個帶觸摸群靜上譴楓及多個Cygna]F310犖片稅為中心靜獺立的套E口控潮單元
3、組成完整的主從式=綴控制祭統(tǒng)。采用RS--485網(wǎng)絡(luò)作為遴信介質(zhì),實現(xiàn)上簸規(guī)與務(wù)控剜擎元敦多釩通信。針對八色凹版印刷機研制的新型縱向凝印控制系統(tǒng),融通過現(xiàn)場運行考核。測試袁鵜整個套鞠控翻系統(tǒng)熬夠滿足生產(chǎn)需要,鬣操稼篙擎、徑髓穩(wěn)定、鼴較荮臻握高鞠舨露剮彩色套印酶精發(fā)嗣露剝遽度。關(guān)鍵字:凹版印制,套印控摩Ⅱ,偏差檜測AbstractAuto-registersystemisindispensabletoqualityguaranteeforgravurepress.Mostofthewell..knowngravurepressmanufacturescommandsuchcont
4、rolsystemsoftheirown.Theresearchanddevelopmentworkinthisaspectinitiatedinourcountry,sincethe1990’s,Yet,thereareafewdomesticenterprisesequippedwithsuchasystem.Forthepurposeoftechnologyrenewal,newequipmemsimportisnottheoptimumsolution.Equipmentreformingwithhigherperformance/priceratio,inaccord
5、ancewiththestatusquoandproblemsathand,isapreferablealternate.Thisisthetopicofthethesiswork.Followingaretheworkdoneandtheircharacteristics:*Employingthetwin—photoelectric--sensortocapturetheoverprinterrorsusingtheformermarklineasbenchmark,themethodofcomparingthevoltageleveltOexactlycaptureaco
6、upleofmarklineisimplementedbyjointworkofthehardwareandsoftware.Thenovelcontrolmethodforvoltagelevelcomparingviaautogainormanualadjustmentisaccomplished·Thesystemismorecosteffectivebysimplifyingtheoscilloscopiccircuit.Theoperationismoreconvenientbysol-wareaddressing.·Aftercomparingdifferentco
7、ntrolalgorithms,thissystememploysthemethodofcomparativelystationaryrelationshipbetweensamplingcycleanddelayingperiod·ThesubordinatecontrolunitcapturestheoverprintandcontrolwiththeC51software.ThePCsetstheparameterstothecontrolunitsandcollectsthemeas