Method for manufacturing fixed watermark paper by fourdrinier and equipment used in method

一种使用长网纸机制造固定水印纸的方法及其设备

Abstract

The invention provides a method for making fixed watermark paper by a fourdrinier and equipment used in method. The method includes steps of (1) designing patterns and size of the fixed watermark paper; (2) selecting raw materials and auxiliary materials and making paper with pulp; (3) measuring paper deformation coefficient of a cursor position in the manufactured paper; (4) designing and making a watermark net according to measuring results of the step (3); (5) making the fixed watermark paper by the watermark net manufactured in the step (4) via the fourdrinier. The invention further provides an improved fourdrinier. The watermark paper is manufactured by the fourdrinier, speed of the fourdrinier can be properly increased, productivity is increased, production cost is reduced, and considerable economic benefits and social benefits are gained.
本发明提供了一种使用长网纸机制造固定水印纸的方法,包括如下步骤:(1)设计固定水印纸的样式和尺寸;(2)选用原料、辅料,并进行纸页抄造;(3)根据抄造所得成纸中的光标位置测量纸张变形系数;(4)根据步骤(3)的测量结果设计并制造水印网;(5)使用安装有步骤(4)制造的水印网的长网纸机制造固定水印纸。本发明同时提供了对长网纸机的改进。通过长网纸机制造固定水印纸,可以适当地提高车速,增加产能,降低生产成本,从而具有良好的经济效益和社会效益。

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