| 摘要 |
<p>Method to remove contamination from a roll, such as a raster roll, within a printing press wherein the surface of the roll is cleaned with a from a by a flexible optical glass fibre to the laser source connected and to it coupled, spatially movable gun, onto the surface of the roll directed laser beam, without changing the surface of the roll, wherein the laser beam is coming from a fibre laser and preferably the cleaning is carried out by exclusively photo effect.</p> |
