A doctor assembly for a fiber web machine and doctor blade for a fiber web machines - a doctor assembly

摘要

A doctor assembly (10) for a fiber web machine, which in the form of a doctor blade (11) a flexible strip (16), whose length is a multiple of the length of the scraping and the surface is in a the doctor blade (11) supporting blade holder (12) is arranged, as well as exchange medium (18) for the replacement of the doctor blade (11) by displacement of the strip (16), wherein the exchange medium (18)– a first coil (14) for which in the blade holder (12) to be introduced by the doctor blade (11),– a second coil (15) for the of the blade holder (12) to be removed, doctor blade (11), wherein these two coils (14, 15) at different ends of the blade holder (12) are arranged,– an actuating device (20) for transporting of the strip (16) between the coils (14, 15), and– Guide means (22) in order to move the on the first coil (14), which is to be drawn in doctor blade (11) arranged in the blade holder (12) and further from the blade holder (12) on the second coil (15) comprise,in this way..