Adjustable doctor blade for printing machine with sensor for positioning parameter of doctor blade characterizing doctor blade position and controller for controlling adjusting drive depending on actual value of positioning parameter

摘要

A sensor (38) is provided for a positioning parameter of doctor blade (22) characterizing the doctor blade position. A controller (36) controls the adjusting drive (28,32) depending on an actual value of the positioning parameter detected by the sensor. The doctor blade holder (24) is rigidly coupled with a fixed part of an adjusting drive during the operation of doctor blade.