What Is an Anilox Roll?
In the flexographic printing process, it is essential that the ink is delivered to the printing plate in a precise manner. This is accomplished by using a specialized part known as an anilox roller. This is an integral part of any printing process and should not be chosen at random. There are varying properties of an anilox roller and selecting the right one will depend on what is being printed and other application specifics.
The Basics
Anilox rollers are hard cylinders usually made of metal or ceramic-coated metal. Their surface is not completely smooth. Instead, it is engraved with tiny cells in a uniform pattern. These cells are what allow the printing ink to be delivered at a consistent volume. Doctor blades remove the excess ink from the roller and allow the cells to provide a precise amount.
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