A method of reducing abrasion of resin letterpress

Abstract

The invention provides a method for reducing abrasion of resin stencils in a process of hot-printing and concave-convex embossing. The method comprises a step of arranging an isolating layer capable of being periodically exchanged between a relief printing plate of a bottom steel plate of a gold-blocking die cutter and a printing article, wherein the isolating layer is a plastic thin film which has the thickness of 0.125 to 0.35 mm and does not deform at the temperature of 70-100 DEG C. According to the method provided by the invention, under the condition without influencing the quality of printed articles, the direct contact between the resin relief printing plate and paper can be avoided, the abrasion to the resin relief printing plate caused by the paper is maximally reduced, the service life of the resin relief printing plate is greatly prolonged and the time for correcting the plate is greatly saved; and in addition, with the adoption of the method provided by the invention, a set of resin relief printing plates which can hot-emboss 150,000-20,000 pieces originally can hot-emboss over 1,500,000 pieces at present, thus the cost is greatly saved.

Description

[0001] technical field [0002] The invention relates to a bronzing process, in particular to a process of simultaneous bronzing and concave-convex embossing, and more particularly to a method for reducing the abrasion of a resin template during the hot stamping and concave-convex embossing processes. Background technique [0003] Hot stamping is to transfer the aluminum layer on the anodized aluminum foil to the surface of the substrate through heat and pressure to form a special metal effect; concave-convex embossing, also known as embossing printing, is a special processing technology in the surface decoration of printed matter , when printing, instead of using ink, use two templates, Yin and Yang, to apply a certain pressure through the platen to make the printed matter plastically deform, so as to emboss a pattern with a three-dimensional effect on the surface of the printed matter; in the existing In the process of making cigarette labels, hot stamping and embossing ar...

AI Technical Summary

Problems solved by technology

In the production of cigarette labels, due to the small size of the hot embossed text, and in order to reduce the cost, the paper used is of low grade, and the paper has more fillers, and the paper is easy to wear the resin letterpress during the hot embossing and moving process, resulting in The service life of the resin letterpress is short. Generally, 150,000 to 200,000 sheets of hot stamping need to be replaced once, while the cost of a set of resin letterpress is 2,000-3,000 yuan, which not only increases the production cost, but also increases a lot of proofreading time.

Images