Novel material intaglio roller

A gravure plate roller and new material technology, applied in printing plate, metal material coating process, printing and other directions, can solve the problem of large waste water and waste gas pollution, material waste, and the thickness and hardness of the chromium layer cannot reach a large-scale printing production and other issues

Inactive Publication Date: 2010-10-27
东莞东运机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is generally necessary to coat a layer of protective film on the surface of the cylinder after the printing plate pattern is processed. The protective film used in traditional printing is generally electroplated chromium, but a large amount of chemicals such as strong acid, strong alkali, and

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] Below in conjunction with accompanying drawing, specifically introduce the implementation process of the present invention, technical scheme is as follows:

[0013] Get novolak 30g, add butanone 10g and dilute as prepolymer; Get bisphenol A type phenolic resin 100g, add butanone 40g and dilute as curing agent; Mix the above two components again, add dimethylimidazole ( The mass accounts for one thousandth of the total amount) and the defoamer (the mass accounts for one thousandth of the total amount), and is cured in an oven at 160 degrees for 2 hours at a high temperature, and the obtained cured product is the epoxy resin composite material used in this product 2.

[0014] Clean the roller with only the cast iron layer to remove surface stains, add plugs on both sides through the machine to make the roller horizontally placed, control the rotation of the roller through the machine during processing, and coat a layer of resin on the surface of the roller through the out...

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PUM

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Abstract

The invention relates to the field of the printing equipment, in particular to a novel material intaglio roller. The novel material intaglio roller comprises a roller-shaped printing plate, wherein the roller-shaped printing plate consists of cast iron, epoxy resin composite material and a coating from inside to outside in turn; after the epoxy resin composite material is coated on the circumferential surface of the cast iron, a pattern is carved on the surface layer of the epoxy resin composite material and then the coating is plated; the epoxy resin composite material is a cured substance obtained by matching a bisphenol A novolac epoxy resin prepolymer with a linear phenolic aldehyde curing agent; and the coating is a diamond like carbon (DLC) film. By replacing a conventional metal layer with the epoxy resin composite material and replacing a conventional electric chromium film with DLC, the novel material intaglio roller has the advantages of reducing the production cost, reducing the production pollution, prolonging the service life of the intaglio roller, and preventing the problems of easy oxidation of the metal layer and poor printing durability of the chromium film, along with light weight.

Description

technical field [0001] The invention relates to the field of printing equipment, in particular to a gravure plate roller of a new type of material. Background technique [0002] Gravure printing is one of the methods of transfer printing and pattern printing. Its printed patterns are exquisite, fine patterns and rich in color layers. In the gravure printing equipment, the most critical part is the gravure plate roller. The pattern to be printed is engraved on the copper layer of the gravure plate roller. On the medium (paper or other), just this pattern is printed on this medium. The currently used gravure plate roll is composed of 4 layers of metal materials (cast iron, nickel, copper, chromium from the inside to the outside), which has the problems of heavy weight, high cost and serious environmental pollution. [0003] When printing, the ink on the surface of the plate roller must be scraped off with a scraper before the plate roll coming out of the ink tank comes into ...

Claims

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Application Information

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IPC IPC(8): B41F13/11B41N1/22B41N3/03C23C16/02C23C16/26C23C16/452C08G59/00
Inventor 秦学峰
Owner 东莞东运机械制造有限公司
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