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  • 广州恒德
  • 广州恒德
  • 广州恒德

UNLIMITED CREATIVITY

 

 

We have been striving to exceed your expectations for products, services and values. We hope to be your partner and provide you with high-quality surface printing solutions to obtain the highest quality final products. To this end, we are proud to provide the following products and services for your unlimited creativity.

  • MECHANICS

    Focus on the manufacturing of mechanical equipment (especially the special process of curved surface printing)

  • DESIGN

    Provide free exclusive brand image design promotion scheme and lifelong technical guidance

  • MATERIAL

    Professional sales of various professional ink consumables

  • PROJECT

    According to the needs of different customers and the performance of printing machinery, matching corresponding ink consumables

EXPERIENCE, SPECIFICATION AND GUIDANCE

 

 

We have experienced key technical developers in the industry, who are proficient in the development and design of machinery manufacturing, and have a rigorous and perfect product development process. At the same time, we provide customers with free exclusive brand image design promotion scheme and lifelong technical guidance. According to the needs of customers to provide professional product design, on the basis of the plan to carry out careful and accurate printing parameters adjustment, so as to achieve the optimization of finished printing.

SINOPEC
SINOPEC
Nestle
Nestle

They all chose ISGO

15+

15 years production experience

363911

Qianhai equity trading center

AAA

Quality, service and integrity

Status and opportunities of China's curved surface printing industry
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Status and opportunities of China's curved surface printing industry

1.Excessiverelianceonmanualoperations Curvedsurfaceprintingdependsonmanualoperationsinchromaticity,pressureadjustment,feeding,samplingandotherlinks.Intheinorganiclongtime,theprintingmachineisbasicallyinaparalyzedstate.Intheabsenceoftemplatesandfollow-up,thecaptainoftheprintingpressadjuststheamountofinkaccordingtohispreferencesandexperience.Thequalityoftheprintislargelydeterminedbythelevelofthecaptain.Evenifsomepilotshaveexperience,duetoacademicqualifications,visionandotherconstraints,theprofessionalknowledgeisnarrowandthetechnologyupdateisslow.Professionalhigh-skilledprintersarehardtofind. 2.Theinksuppliesarecomplicatedtomatch,andtheprintingqualityandcostaredifficulttocontrol Thedensity,fineness,viscosity,fluidity,saturation,waterresistance,acidandalkaliresistanceofdifferentinksarealsodifferent.Itisproportionedwiththethinner,matchedwiththepropertiesofthematerial,withpigments,linkingmaterials,fillersTheratioofadditionalmaterialsisever-changing.Thedifficultyingraspingthisvariabilityhascausedseriouswasteofconsumablessuchasinkandblankets,whichhasgreatlyincreasedprintingcosts.Mostoftheinksonthemarkettodayhaveaviscosityof13TV,whilecurvedprintingonlyrequiresaviscosityof18TV.Thisspecialinkwithoutcurvedprintingislikelytocauseblurredprintedimages,differentinkcolors,andbubblesorindentationsonprintedstripesWaitforqualityproblems. 3.Occupationaldiseasesarefrequentandthelossofskilledworkersisserious High-frequencycontactwithinkintheprintingindustry,harmfulgasessuchasalcoholcompounds,formaldehyde,phenolandotherorganicsolventsintheinkenterthebodythroughtherespiratorytractandskinofworkers,causingavarietyofrespiratorydiseasesandoccupationalpoisoning.Ultravioletraysreleasedbythecuringsystemduringthestart-upprocesscanirritatethehumaneye,andlong-termexposuremaycausedamagetotheeyemembraneandlossofvision.Therefore,itisnoteasyforprintingworkerstoworkformorethanfiveyears.Highoccupationalhazardsallowprintingtechnicianstochooseshort-termjobsorsimplyswitchcareers,causingseriousbraindrainanddifficultrecruitmentproblemsforenterprises. 4.LowproductionefficiencyTheequipmentstructurelacksprofessionalcustomization Consumablewasteisserious,manualoperationisslow,andhighdefectiverateleadstolowproductionefficiency.Theequipmentstructureofthecurvedprintingmachineisextensive,andthereisnoone-to-onecreativedesignoftheequipmentstructureforcertaintypesofprintedproducts.Whenprinting,theprintedproductsneedtoaccommodatetheequipment. 5.Restrictedbyinternationalmonopoly,high-qualitycurvedprintingequipmentisexpensivetoproduce FlexographicprintinghasdevelopedtoamaturestageinEuropeanandAmericancountries,andChina'sflexographicprintinghasonlystartedinrecentyears.Therefore,China'sflexographicprintingmaterialsandplate-makingequipmentrelyheavilyonimports,highpricesandmonopolyafter-salesserviceToacertainextent,itrestrictsthepopularizationandpromotionofflexoprintingintheChinesemarket. 6.IncreasednationalsupervisionandcontrolThecurvedprintingindustryfacesstricterregulations In2010,theprintingindustrywasincludedinthescopeof"developingpreventionandcontrolofvolatileorganiccompoundpollution",andrelevantfunctionaldepartmentsimplementedstricterstandardsonthepartsoftheprintingprocessthatdidnotmeetenvironmentalprotectionrequirements.Inparticular,basedonthe"TenWaters"and"AtmosphereTens",wefocusedonthesupervisionofwaterandvolatileorganiccompoundpollutiontreatment.VOCssewagechargesarepushingtheprintingenvironmentgovernancetoasubstantialnewstage,andthedevelopmentofQuyinisfacingstricterregulations. 7.High-qualitycurvedsurfaceprinting Thedevelopmentoftraditionalcurvedsurfaceprintinghasmatured,andtheemerginggreenprintingflexoprintingisjustbeginning.China'smusicprintingindustryalreadyhastheabilitytomeetthediversifiedandcomprehensiveneedsoftheinternationalmarket.Inthenextthreeyears,thedemandfordomesticflexographicprintingmachineswillexpandrapidly.Inadditiontothedemandforinkaccessories,China'soverallflexographicprintingequipmentwillexceed100millioninmarketdemand.Chinawillbecomeaveritableandimportantglobalmanufacturingbaseforflexographicprintingmachines. Esko'sone-stopcurvedprintingsolutionallowsyoutohaveaperfectprintedproduct ExclusivecustomizedintelligentequipmentReducemanpowerdependenceandgreatlyincreaseproductioncapacity ExclusivecustomizedintelligentequipmentReducemanpowerdependenceandgreatlyincreaseproductioncapacity 1.Automaticfeeding,automaticflameorcoronasurfacetreatment 2.Intelligentonlinedetection.Whenthereisnoprintedproductormultipleprintedproducts,theprintingcylinderisautomaticallyseparatedandthealarmisstoppedtodetect 3.Intelligentvisualinspectiontoremoveunqualifiedprints 4.Automaticinksupplydevice 5.Automaticcleaningofcolorstationandinkset Multipleprintinglinkshavereplacedmanualoperationswithmachinestoachievethelowestmanualdependenceandreducedowntime,whichnotonlyimprovesproductquality,greatlyimprovesproductionefficiency,butalsominimizesoccupationalhazards.Eskocanalsocustomizeitsownhigh-qualitycurvedprintingmachineaccordingtothedifferentneedsofcustomers. Professionalinksup
2019-08-29
Common problems and methods of printing
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Common problems and methods of printing

1.Pooradhesionofinkonsubstrate 1.1Wettingofinkadhesionmechanism:Theadhesionfastnessistheresultoftheinteractionbetweentheprintingsubstratefilmandtheinkbindermaterial.Compatibility:Theconnectionmaterialoftheinkandthebasematerialhavesimilarpolaritiesandgoodcompatibility.(Besuretoselecttheinkthatmatchestheprintedmatter). 1.2Reasonsforpooradhesionandcountermeasuresforbasematerialfactors.  a.Thecoronatreatmentdegreeonthesurfaceofthesubstrateisnotenough,therequiredtensionisnotreached,orthetreatedsubstratesurfacehasapoorstorageenvironmentandthestoragetimeistoolong,causingthesurfacetensiontodecayandfail.Generally,thesurfacetensionofPPandPE≧38mN/m,PET≧50mN/m,NY≧52mN/m.Checkthesurfacetensionofeachbatchofmembranesbeforeuse. b.Duringtheprocessing,mostofthebasematerialsareaddedwithcertainlubricants,antistaticagents,moisture-proofagents,etc.Theseadditivesslowlypenetrateintothesurfacefromthefilmovertime,formingaweakinterfacelayeronthesurfaceofthefilm,affectingtheinkAdhesion.Therefore,thefilmshouldbeusedwithinthevalidityperiod,andthesurfacetensionshouldbecheckedbeforeuse.AvailableDynepentest.SubstratefactorThefactorofsubstratemoistureabsorption.Forexample,PA,PVA,PTandothermaterialsareeasytoabsorbmoistureandreduceadhesion.Suchsubstratesshouldbestoredundergoodconditions(temperatureandhumiditycontrol)andfullypreheatedbeforeuse.Thewrongtypeofinkisused,anddifferenttypesofinkaremixed.Therearemanytypesofinkforgravureprinting,includingsurfaceprintingandbackprintinginks.Differentmaterialscorrespondtodifferentinks.Variousspecialinksmustbeusedcorrespondingly,otherwisetheadhesionfastnessisnotenough,andtheoperationprocessinstructionsshouldbecheckedbeforeproduction.Inkwhitening.Deteriorationandwhiteningoftheinkgreatlyreducetheadhesion.Inkdryingisinsufficient.Insufficientdrying,therearemanyresidualsolventsinside,inaddition,acertaindryingtemperatureisextremelybeneficialtoimprovetheadhesionofsomeresinbinders. 2.OverprinterrorOverprinterrorsaremostlycommondefectsinprinting.Thephenomenonisthatduringthemulti-coloroverprintprocess,eachcolorcannotcompletelyoverlap,andthereisacertaindeviation. 2.1PersonnelqualityBecausethecolorregistrationerrorexistsobjectively,itrequiresemployeestohaveextremelystrongworkability.Printingisameticulousjob,whichmustbedonewithcare,careandresponsibility.Self-inspectionandself-inspectionshouldbedoneduringwork,andobservationsshouldbemadebymultiplepartiestofindproblemsintime. 2.2EquipmentfactorsTheaccuracyandperformanceoftheentireequipment,thetensioncontroloftheoverprint,theheatingairsupplysystem,thecooperationoftheimprintingrubberroller,plateroller,plateshaft,guiderollerandothersystems,theseconditionsdeterminethetemperature,pressure,parallelismduringoverprintingDegree,elongation,winding,etc.,andthecolorregistrationsystemitselflimitsitsaccuracy.Registeredphotoelectricdevicesshouldbemaintainedandoperatedcorrectly.Forexample,ifthelightsourceofthehalogenlightsourceisweak,theopticalfiberorhalogenbulbshouldbereplaced,andthedistancebetweenthereflectorandthescanningheadisadjustedcorrectly,generallyabout8mm.Theincreaseoftheplaterollerisnotsuitable,anditiseasytoproducelongitudinalcolorregistrationinaccuracy,therubberoftheimpressionrollerisdeformed,andtheelasticityisinsufficient.Keepthepressurerolleringoodcondition. 2.3OperationprocessThetensionsettingofthesubstrateisunreasonable,thetensionistoosmall,thesubstrateisslack,andthecolorregistrationintheverticalandhorizontaldirectionsisnotaccurate;ifthetensionistoolarge,thesubstrateshrinkslaterallyandthecolorregistrationintheverticaldirectionisunstable,andadjustthetensionaccordingly.Thetemperatureisnotsuitable,especiallyifthetemperatureoftheovenistoohigh,andthetemperatureofthecoolingrolleristoohightodeformthefilm.Forafilmthatisnotflat,thetemperatureofthepreheatingboxshouldbeappropriatelyincreased.Theintakeandexhaustairflowintheovenisunbalanced,whichcausesthefilmtoshakeintheoven.Theanemometershouldbeusedtomeasuretheintakeandexhaustairflowandcontrolit.Theplaterollerisnotinstalledproperly.Ifeccentricityoccurs,theinkontheplugmustbewipedcleanbeforetheplaterollerisinstalled. 3.1Causesofscraperlinemarks①Noinklinemarks.Themainreasonisthattheinkismixedwithhardinorganicimpurities,suchassand,etc.Thesehardparticlesareembeddedinthebladeedgeofthescraperandcauselinemarks.Sometimessuchscraperlinemarksarealsodashedlines,andtheappearanceofsuchscraperlinemarkscaneasilydamagetheprintingandthescraper.
2019-08-29

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