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Method for printing miniature corrugated board by direct offset printing

A corrugated cardboard and offset printing technology, applied in printing, printing machines, rotary printing machines, etc., to achieve good color reproduction, cost reduction, and full color effects

Inactive Publication Date: 2007-05-23
上海外贸界龙彩印有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the materials for offset printing are all made of solid cardboard, and there is no precedent for direct offset printing of micro-corrugated boards in my country.

Method used

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  • Method for printing miniature corrugated board by direct offset printing
  • Method for printing miniature corrugated board by direct offset printing
  • Method for printing miniature corrugated board by direct offset printing

Examples

Experimental program
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Effect test

Embodiment Construction

[0029] Accompanying drawing 3 is a block diagram of the printing process of the present invention, and each link of the flowchart will be described in detail below.

[0030] I reduce the plastic deformation of corrugated cardboard through correct selection and application of corrugated cardboard

[0031] 1. Reasonable selection of corrugated cardboard

[0032] The quality of corrugated cardboard is the prerequisite for affecting the plastic deformation of corrugated cardboard. Since the peeling tension of the ink and the blanket on the paper surface is very large at the moment of separation in offset printing, it often causes the phenomenon of paper powdering and hair loss. High tensile strength, uniform texture of printing surface paper. The present invention selects the unit quality control of miniature corrugated cardboard at 380g / m 2 ~440g / m 2 , the material used is 185g / m 2 Recoat white cow card +90g / m 2 Corrugated base paper+140g / m 2 White cow card.

[0033] 2. C...

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PUM

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Abstract

The invention discloses a printing method of direct-hectographing micro corrugated board, its technical flow including: selecting printing corrugated board, mackintosh, printing ink, fountain solution and printing plate material; debugging the printer; adjusting printing pressure and monitoring the thickness of the micro corrugated board before and after printed and printing screen dots. Its character: the unit quality of the micro corrugated board is controlled at 380-440g / sq m, the material of the micro corrugated board is 185g / sq m heavily coated white kraft plus 90g / sq m corrugated original paper plus 140g / sq m white kraft; the water ratio is controlled at 7-9%; the corrugation is perpendicular to printing line pressure; the printing ink emulsifying rate is controlled at 15-18%; it selects the mackintosh whose screen dot restoring rate is not less than 95%; the printing plate material is a high-fidelity TP printing plate to truly restore screen dots. It has good presswork color restoring effect, clear image, etc.

Description

1. Technical field: [0001] The invention relates to a printing method for micro-corrugated cardboard, in particular discloses a printing method for direct offset printing micro-corrugated cardboard, which belongs to a new technology in the field of paper printing. 2. Background technology: [0002] Since micro-corrugated is a hollow cardboard, if the printing pressure is too high, the corrugated is easily deformed during printing. Flexo printing is the printing method with the lightest printing pressure in today's printing technology, so flexo printing micro-corrugated board is the first printing technology to be adopted. [0003] However, with the improvement of living standards, people put forward higher requirements for the printing quality of corrugated boxes. Due to the light printing pressure of flexo micro-corrugated board, the effect of printing dot reduction is poor, and there are often phenomena such as loss of ideas in high-gloss areas, paste in dark areas, lack ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J3/407B41M1/26B41F17/00
Inventor 费钧德任端正
Owner 上海外贸界龙彩印有限公司
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