A
roller is an important component of a printing machine. It is a kind of
cylinder which is used to ink the type of the machine before the paper
is impressed. Printing rollers are very essential for producing superior
printing result within the offset and newspaper printing industry.Features of Print Rollers
- Print rollers are available in various sizes and made of various materials. The most common one is rubber.
- The roller can run for a long period of time without needing roller adjustments.
- The printing rollers are always manufactured to the high tolerances and specifications of the customers.
- For the digital printing industry, print rollers withstand the special demands of electrostatic and heat-transfer technologies.
- The printing industry uses rollers with a high-grade elastic covering.
- For high printing speeds of up to say 3,000 rpm mean that the roller coverings must meet a number of stringent requirements.
- The high elasticity and low damping are key properties for use on high-speed machines.
- The roller coverings must be able to repel attack from aggressive, fast-drying printing inks in changing formulations, as well as detergents and additives.
- In metal printing, the sharp edges must not damage the rollers either.
- The enormous scope for variation and the broad range of available raw materials make it possible to manufacture roller coverings of many different dimensions.
