Flexo Printing Machine process :: MK Paper

Flexo Printing Machine process

Flexographic printing is a method that uses a flexible relief plate to print onto a substrate, which may be a wood-pulp based, synthetic, or laminated material. The flexo post-printing offline process is used on corrugated and micro-flute boards, including uncoated, semi-coated, and coated substrates. Typical applications of the process are multi-color packaging and in-store displays.

In broad terms, a flexo printing machine of this type is used to print, varnish, dry, and quality check the sheet ready for further processing such as die-cutting and folding & gluing.

Today's flexo printing presses use photopolymer printing plates containing a mirror relief image of the required print. The raised areas on the plate have ink applied to them by an anilox roller and then transfer it onto the substrate.

Flexo printing presses and process description

There are three different architectures for flexographic printing presses, with offline machines normally having the print units laid out horizontally in a line, generally with a loader unit at the feed end and delivery at other.

In a modern flexo printing press, each print unit comprises of:

  • Anilox roller: a cylinder of highly engineered metal and/or ceramic, which is laser engraved with minute cells of a given angle, line screen, and volume to deliver the required fineness of print
  • Chambered doctor blade system: a device that delivers a measured amount of ink to the cells of the anilox roller
  • Rubber rolls: an alternative system to the chambered doctor blade, consisting of two rubber rolls in contact with each other. One roll sits in an ink bath and transfers the ink to the second which is in contact with the anilox roll. A negative blade may be added to the anilox roll to limit ink flow
  • Plate cylinder: which the printing plate is mounted upon
  • Impression cylinder: a sleeve that supports the substrate as the printing plate is pressed against it
  • Inking system: ink holding tank, ink pump with delivery and return ink lines, plus other elements to ensure the maintenance of ink supply and viscosity
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Not All, but significant amount Industrial Stuff

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The Nottingham machine will focus on the production of direct mail while the new Bristol machine, which features auto-splicing for faster web changeovers, will focus on transactional mail and will output fan-folded print directly into an enclosing line ..

Popular Q&A

What printing process is used to print a plastic front of a soda machine?

Also what printing process is used to print soda labels on the bottles of 20 oz sodas?

Im pretty sure silk screen is used to print the front of the machines.

And the same goes for the bottles too.

I want to khnow about flexo paper printing machine?

two colour& big size

All I know about it is how it relates to Real Estate, the topic of this forum, and that it sits upon the ground of the real estate.

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