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UV printing and coating process for metal lettering cover

A printing and metal technology, applied in the field of UV printing and coating process of metal printing cover, can solve problems such as affecting product quality, reduce energy consumption and waste emissions, improve efficiency and shorten delivery time.

Active Publication Date: 2012-03-28
SHANGHAI BAOYIN METAL DECORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding one more process will increase the risk of scratching the surface of the substrate, which will affect the quality of the final product

Method used

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Experimental program
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Effect test

Embodiment Construction

[0029] Below by embodiment the present invention will be further described:

[0030] The metal printing cover UV printing and coating process of the present invention comprises the following steps:

[0031] 1) Plate making, use pre-press professional plate-making software to make graphics and texts, and then use the computer direct plate-making machine to print the prepared files into PS plates (Presensitized Plates) for printing;

[0032] 2) Substrate surface treatment, a flame processor is installed in the feed section of the UV iron printing machine, and the substrate surface treatment process is directly built into the printing line to form an integrated process of continuous online surface treatment and printing production; while the flame The processor conducts high-temperature baking treatment on the surface of the printing cover substrate at a high temperature of 600°C to 800°C at a speed of 95 sheets / min to eliminate the oil layer, dust, burrs, etc. The wettability o...

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PUM

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Abstract

The invention relates to a UV printing and coating process for a metal lettering cover, comprising the following steps: (1) plate making; (2), surface treatment for a base material; (3) UV printing; (4) continuous curing of a UV light cluster; (5) coating on a printed pattern to protect the printed pattern; (6) inside coating, wherein epoxy-phenolic coating is adopted for coating; (7) spraying wax, wherein wax is sprayed on the front face and back face of the printed and coated base material. In the UV printing and coating process, pretreatment is carried out on the surface of the base material through a flame treatment machine so that quality defects caused by abrasion of the surface of the material are avoided, and better adhesive force between UV printing ink and the surface of the base material is ensured. In addition, the flame treatment machine and a material transporting part of a UV metal printing machine are integrated so as to form a processing pattern of on-line continuous base material surface treatment and printing production and avoid treatment of the surface of the base material by a drying house. Therefore, the production processes are reduced, the production efficiency is improved, consumption of natural gas energy and discharge of waste gas are greatly reduced, and the purposes of energy saving and environment protection are achieved.

Description

technical field [0001] The invention relates to printing technology, in particular to a UV printing and coating process for a metal printing cover. Background technique [0002] Metal lettering caps are usually applied to the top of metal cans, whether it is a three-piece can or a two-piece can, it needs to be topped with a can lid. According to the material, there are two types of conventional printing covers currently on the market: aluminum and steel, which are widely used in metal packaging industries such as beverages and food. However, due to the complexity of metal covers, the printing and coating process of metal printing covers The traditional printing and coating process is adopted; in order to increase the adhesion between the ink and the surface of the substrate, the surface treatment process of the substrate is mainly to dry and degrease the surface of the substrate through a drying room to improve better coating performance, but The adhesion of UV ink on the s...

Claims

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Application Information

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IPC IPC(8): B41M1/28
Inventor 徐红波范冬梅
Owner SHANGHAI BAOYIN METAL DECORATION
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