Circular blade holder assembly

摘要

The accommodation mandrel (8) engages through the blade (5) and centres it. It has a locating flange (7) for the blade together with a quick clamp closure. The mandrel engages behind the blade and has pins (25), claws or sections of it which are radially displaceable, securing the locating flange against lifting.The mandrel has a central recess (18) which is surrounded by components engaging behind the blade for which a positioning device (16) formed as a rotatably located shaft (15) with a polygonal cross-section. for each corner of the polygon a radially displaceable pin (25) is provided. The blade is held against the locating flange by a permanent magnet (22).