web guides

Components of a Web Guide

In this educational video, we delve into the fundamentals of web guiding systems, essential for the Converting Industry. We'll explore four key components of a web guide: the guide structure or mechanism, the actuator, the sensor, and the controller. Learn how each element works together in a closed loop feedback control system to ensure precise web positioning. Ideal for industry professionals seeking to enhance their understanding of advanced web handling technologies.

Web Guiding Terminology

Different terms related to web guiding are discussed in this article.

Web Guiding

Web guiding is the process of regulating the cross machine position of the web while the web is transported over the rollers in roll-to-roll processing machinery. Other terms for web guiding include:

Pneumo-Hydraulic Web Guides

What are Pneumo-Hydraulic Web Guides?

Many displacement guides, steering guides, unwind / rewind guides manufactured in the 1960’s, 1970's, 1980’s and 1990's were controlled using both pneumatic and hydraulic control systems which are often referred to as pneumo-hydraulic web guides. These web guide were really common before the mass adoption of the electronic (analog and digital) controllers and electric actuators. A lot of these units were predominant in blown film lines, extrusion lines, flexographic printing presses and even in paper converting machines.