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目前国内印染厂家几乎沿用传统的人工检测纬线倾斜的老办法。这种办法不仅增加了工人的劳动强度,而且检测精度不高,印染质量不能及时控制,造成大量印染次品。随着对国内印染产品质量的要求不断提高以及增强国内产品在国际市场上的竞争能力,迫切需要解决纬线倾斜的自动检测及自动控制的问题。为此,作者研究了一种利用莫尔条纹检测印染过程中纬线倾斜的方法。通过将莫尔条纹光信号转换成电信号来实现自动检测与自动控制在印染过程中布匹横幅两端的速度,不使布匹变形,从而保证了印染质量。本文只叙述利用莫尔条纹检测纬线倾斜的光学原理、光学装置及实验结果。
At present, domestic printing and dyeing manufacturers almost follow the traditional method of manually detecting the weft tilt. This approach not only increases the labor intensity of workers, and the detection accuracy is not high, the quality of printing and dyeing can not be controlled in time, resulting in a large number of printing and dyeing defective. With the continuous improvement of domestic printing and dyeing product quality requirements and enhance the competitiveness of domestic products in the international market, there is an urgent need to solve the problem of automatic detection and automatic control of weft tilt. To this end, the author studied a method of using Moiré fringes to detect wefts in printing. Through the Moiré fringe optical signal into electrical signals to automatically detect and automatically control the speed of the cloth banner at both ends of the printing process, not to fabric deformation, thus ensuring the printing quality. This article describes only the use of moire fringe detection weft tilt optical principles, optical devices and experimental results.