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Flexographic plate CTP (computer to plate) direct printing method and equipment based on 3D rapid forming printing principle

A flexographic and fast technology, applied in plate preparation, printing plate, printing and other directions, can solve problems such as long process waste, and achieve the effect of reducing environmental pollution, improving efficiency and reducing impact

Active Publication Date: 2014-12-31
BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally speaking, at present, all flexographic plate making requires wet or dry developing process, which is long or wastes

Method used

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  • Flexographic plate CTP (computer to plate) direct printing method and equipment based on 3D rapid forming printing principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The system uses ProJet from 3Dsystems in the United States. TM 6000 Professional 3D Printer 3D rapid prototyping printer, Founder RIP software, 3Dsystems original ABS engineering plastic curing injection material, and PET resin flexographic substrate with a thickness of 2 mm.

[0033] Using Founder graphic processing color separation hanging network RIP software and 3Dsystems three-dimensional layering software color separation output to the 3D rapid prototyping printer, the printer sprays ABS plastic onto the surface of the PET flexible plate substrate, and after curing for 2 minutes at 50 degrees Celsius, the dot reproduction rate Reached 98%, fully able to meet the needs of 60LPI high-quality printing.

Embodiment 2

[0035] The system uses ProJet from 3Dsystems in the United States. TM 6000Professional3D Printer 3D rapid prototyping printer, Founder RIP software and photosensitive materials for flexographic plates. The photosensitive material for the flexographic plate contains 67% SBS block copolymer (the trade name is Kraton polymer company's D-1102 product), 20% polybutadiene oil, 10% 1,6-hexanediol diacrylate, 3% benzil dimethyl ketal.

[0036] Using Founder graphic processing color separation hanging network RIP software and 3Dsystems three-dimensional layering software color separation output to the 3D rapid prototyping printer, the printer sprays the photosensitive material onto the surface of the polyimide flexible plate substrate, and cures it online with 405nm ultraviolet light for 5 seconds. Its dot reproduction rate has reached 98%, fully able to meet the needs of 80LPI high-quality printing.

Embodiment 3

[0038] The system uses ProJet from 3Dsystems in the United States. TM 6000Professional3D Printer 3D rapid prototyping printer, Founder RIP software and photosensitive materials for flexographic plates. The photosensitive material for the flexographic plate contains 62% SBS block copolymer (the trade name is Kraton polymer company's D-1102 product), 5% SIS block copolymer (trade name of Kraton polymer company of the United States D-1161 product), 20% polybutadiene oil, 10% 1,6-hexanediol diacrylate, 3% benzil dimethyl ketal.

[0039] Using Founder graphic processing color separation hanging network RIP software and 3Dsystems three-dimensional layering software color separation output to 3D rapid prototyping printer, the printer sprays the photosensitive material onto the surface of the polycarbonate flexible plate substrate, and cures it online with 405nm ultraviolet light for 3 seconds. The dot reproduction rate has reached 98%, fully able to meet the needs of 175LPI high-...

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Abstract

The invention discloses a flexographic plate CTP (computer to plate) direct printing method and equipment based on a 3D rapid forming printing principle and belongs to the technical field of printing flexographic plate manufacture. The equipment comprises a computer, a 3D rapid forming printer and one of photocuring equipment and heat drying equipment. The 3D rapid forming printer is utilized to spray a solidifiable forming material on the base surface of a flexographic plate so as to form a relieve image, the relieve image is subjected to light curing or thermocuring on-line drying so that the printing information is stabilized on the base surface of the flexographic plate, and then the printer can be used for printing; and the base of the flexographic plate is an organic polymer plate or an organic polymer-organic polymer compound plate. The method omits the middle process such as exposure and development, the plate manufacturing speed is greatly accelerated, the printing quality is improved, the printing cost is reduced, the flow is greatly shortened, the flexography environment friendliness is realized, and the application area is further expanded.

Description

technical field [0001] The invention belongs to the technical field of printing flexible plate making, and designs a CTP computer direct plate making flexible plate technology method and related equipment utilizing the principle of 3D printing. Background technique [0002] Flexographic printing (flexographic process) is to make a convex printing plate of the desired image mirror image on polyester or other polymer materials, the ink is transferred to the printing plate, and the surface of the printing plate is in contact with the substrate during rotation, so that A printing method of transferring pictures and texts. Compared with several other printing methods, flexographic printing has unique flexibility, economy, and is beneficial to the protection of the environment, and meets the hygienic standards of food packaging printing. At present, flexographic printing can fully meet the requirements of tobacco packaging, pharmaceutical packaging, food packaging, label printing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41C1/00B41N1/22
CPCB41C1/003
Inventor 李仲晓安粒齐英群蒲嘉陵
Owner BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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