Quality Control Systems (QCS)

2017-01-08T00:14:27+00:00 Categories: Control Systems|Tags: , , , , , , , |

Quality Control System (QCS) 9.2.1 Quality Measurements Scanning Measurement Most paper quality measurements in the paper machine are scanning measure¬ments. In various locations so called “scanners” with usually one upper and one lower measurement head are found (Fig. 9.2). Both measurement heads move synchronously across the paper width. One scan takes about 20 to [...]