Plunger piston for a cold chamber die casting machine has an element between a piston head and a piston rod formed so that cooling channels for transporting a cooling medium are formed between the rod and the element

摘要

Plunger piston has an element (20) between a piston head (2) and a piston rod (3). The element is formed in such a way that a number of cooling channels (9, 12) for transporting a cooling medium is formed between the rod and the element. Preferred Features: The element is formed as a one-sided closed sleeve placed on the end (5) of the piston rod facing the piston head. The sleeve is metallic connected to the piston rod and is made of copper.