Patent ID: 6645349
Filing Date: 2003-11-11
Classification: D21G

Abstract:
A method for conditioning of a roll (10;41) in a paper machine or in a paper finishing device, comprising the steps of:monitoring the condition of the face/coating on the roll during operation; cleaning and/or grinding the face/coating on the roll by means of a traversing cleaning/grinding unit during operation; continuously measuring the cleanliness and/or condition of the roll (10;41) during operation, wherein said cleaning and/or grinding of the roll face/coating is based on the measurement results, so that the roll (10;41) remains constantly in good condition and the level of quality of the paper remains at the desired level; and controlling the grinding pressure of the cleaning/grinding unit on the measurement results; wherein, in the method, a polymer-coated roll of a calender is cleaned and/or ground and, in the method, damage of the hot spot type in the coating is detected and removed.