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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:

Web Handling Terminology

Web

Web is a material that is thin, flexible and continuous in nature. Web materials are transported within a machinery to convert them into finished products. A wide variety of consumer products are made from web materials such as paper, plastics, films, foils and metals, into finished products such as diapers, female hygiene products, labels, tapes, magazines, aluminum cans, and even some electronics.

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. 

Web guiding system: Why, What, Where and How?

Flexible materials, often called webs, are used in wide variety of manufacturing processes to create finished goods used in industrial, military and consumer applications. Webs such as paper, plastic, metals, film, foil, and nonwoven are common raw materials used in the manufacturing processes. Variety of processes such as, printing, coating, laminating, slitting, embossing, etc., are performed on the flexible materials to create the finished products. This process is often referred to as converting where the raw material is converted into finished products.