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ADVANTAGES AND DISADVANTAGES OF A WEB-FED SYSTEM

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A web fed printing system, is one that is supplied with printing material / media, from a large roll. The printing material, also called a substrate, can be paper, card, polymers, textiles and even metallised films (polymers coated with a thin layer of metal). Rotary letter presses, lithography printers, foil blocking machines, direct printers and even die cutting machines, are systems that can be web-fed.

HOW WEB-FED PRINTERS WORK: As the printing machinery runs, the web-fed printing substrate unwinds and is fed through the various rollers. It comes into contact with the print plates and receives a pattern, text, image etc... This is a continuous process, until the roll of print media needs changing.

 
 
 
ADVANTAGES:
Because of the use of a large role of print media, web-fed systems are faster than single sheet systems, as the roll continuously feeds the printer.
They are economic when printing large runs, as a large roll of print media is cheaper than the equivalent number of single sheets.
The printing process is a smooth operation, without the need to feed individual sheets of print media, into the printer.
 
 
 
 

DISADVANTAGES:
They require operation by at least one trained / semi-skilled operator.

If they break down, they can take longer to correct, due to their increased complexity, compared to other printing systems.

They are more expensive to install, than single sheet systems.

They require a greater number of maintenance sessions, to ensure prolonged, continuous running.

 
 
 
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