Pressing screw, screw extractor, wear element and a method for producing a pressing screw

摘要

The present invention relates to a pressing screw (1) of a press screws separator (2), comprising a base core (10), at least one on the basis of core (10) arranged screw helices (11), and a wear element (12) with an addition of core (13), and at least one on the addition of core (13) augers coil portion (14), wherein the base core (10) and the addition of core (13) can be plugged into one another, so that the screw helices (11) in the screws helix merges section (14).