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A web is a long, thin, and flexible material. Common webs include foil, metal, paper, textile, plastic film, and wire. Common processes carried out on webs include coating, plating, and laminating.
A web is generally processed by moving over rollers. Between processing stages, webs are stored and transported as rolls also known as coils, packages and doffs. The end result or use of web manufacturing is usually sheets. The primary motivation to work with webs instead of sheets is economics. Webs, being continuous, can be made at far higher speeds and do not have the start-stop issues of discrete sheet processing. The size of the web-handling industries is unknown.
- Web processing
- Web handling
Web handling refers to the processing of a web through a machine with maximum productivity and minimum waste.
- Gutoff, Edgar B.; Cohen, Edward D.; Kheboian, Gerald I. (2006), Coating and drying defects: troubleshooting operating problems (2nd ed.), John Wiley and Sons, p. 218, ISBN 978-0-471-71368-5.