cp.15 flexographic, ink-jet, and digital presses
DESCRIPTION
Cp.15 Flexographic, Ink-jet, and Digital Presses. Prof. Dr. Cao Congjun Xi ’ an university of technology. Objects. Major components of a flexographic press Function of an anilox roll Flexographic inking systems Flexographic plates making - PowerPoint PPT PresentationTRANSCRIPT
Cp.15 Flexographic, Ink-jet, and Digital Presses
Prof. Dr. Cao CongjunXi’an university of technology
Objects Major components of a flexographic press Function of an anilox roll Flexographic inking systems Flexographic plates making The operating principles of a continuous imaging press and a drop-demand ink-jet printer
Explain the terms direct imaging press and digital toner-based printing and operating principles of the both printing systems.
Explain the operating principles of a digital press.
Outline the advantages digital printing has over every traditional printing method.
Application: 标签 / 商标
塑料软包装
Cardboard卡纸
胶印 / 凹印 / 柔印
15.1Flexographic Printing Concept-P354 Components of a flexographic press※Infeed unit※Printing unit: Three-roller inking system and two-roller inking system※Outfeed unit
放卷机组 印刷机组 印后加工机组 收卷机组驱动机组
机组式柔性版印刷生产线
15.1.1 Flexographic Plates Rubber plates Photopolymer plates※Sheet photopolymer plates※ Liquid photopolymer plates
Steps
15.1.2 Flexographic Press The stack press Central impression press In-line press
层叠式柔性版印刷机
柔性版印刷机
机组式柔性版印刷机卫星式柔性版印刷机
15.2 Ink-jet printing-P366 Continuous
Ink-jet Technology
Drop-on-Demand Systems
Ink-jet Applications
Functioning principles for ink jet technologiesFig. a Continuous ink jetb Drop on demand ink jet/thermal ink jet;
c Drop on demand ink jet/piezo ink jet; d Electrostatic ink jet
Digital Printing-P370 Direct imaging presses※Advantages※Plate Exposure Digital toner based printing※Press Configuration Implications of Direct Digital Presses
DI press-Plate Exposure
Fig. Quickmaster DI computer to press/direct imaging system for multicolor printing in waterless offset (QM DI 46-4, Heidelberg)
Digital Toner Based PrintingFig.Computer to print system for multicolor printing (electrophotography, ROS laser imaging, liquid toner, intermediate cylinder) with the optionof sheet turning for double-sided (duplex) printing (E-Print 1000/TurboStream, Indigo)
Fig. Electrophotographic multicolor printing system with liquid toner (TurboStream(33 A4 pages/min), Indigo; diagram derived from company information, not confirmed)
Homework
P376 Review questions 1,2,6,7,8,9,12