Lithographic material is transferred to our specialised Litho Centre. Here all movements are automated through each of the process steps until final packing. This avoids the risks of damage and debris associated with forklift trucks. Each coil is batch annealed in a fully computerised environment in order to achieve optimum mechanical properties and maximum on-press plate performance.
The next process is cold rolling to the final printing plate thickness. Here the Thin Strip Mill uses the latest technology to control flatness and thickness up to speeds of 1000m/minute. Then the coil is trimmed to the correct width, stretched/levelled and degreased to remove residual rolling oils. This is all done by our finishing line, which incorporates both top and bottom automatic surface inspection equipment whilst the line runs at speeds up to 400m/minute.
Finally, the coil passes through the inspection and packing area. The surface quality is given a visual inspection and dimensional accuracy is checked. The flatness of the material is verified by a flat bed laser measurement system.