Doctor apparatus and blade holder

摘要

A doctor apparatus for a web forming machine to doctor a moving surface, and the doctor apparatus (10) includes a doctor blade (16) and blade holder (11), which blade holder (11) has a holder component (14) preferably made of aluminum, to which the doctor blade (16) is mounted by a front plate (15), and a frame component (12) preferably made of fiber-reinforced polymer material, to which the holder component (14) is mounted. The doctor apparatus (10) having a loading element (22) arranged between the frame component (12) and holder component (14) to load the blade holder (11) and further the doctor blade (16). The invention also relates to a corresponding blade holder and holder component.

主权项

1. A doctor apparatus, for a web forming machine to doctor a moving surface, comprises:
a doctor blade; a blade holder, further comprising: a holder component to which the doctor blade is mounted; a frame component to which the holder component is pivotally mounted; a loading element arranged between the frame component and the holder component to load the blade holder and the doctor blade mounted thereto; and wherein the holder component is of aluminum and the frame component is of fiber-reinforced polymer material; wherein the holder component forms a first jaw of the blade holder; and further comprising a front plate mounted to the blade holder to form a second jaw of the blade holder, between which first jaw and second jaw the doctor blade is placed; wherein the holder component has at least two parts which are held together by the front plate.