Casting unit for a diecasting machine

摘要

A diecasting machine casting unit includes a casting chamber body having a casting chamber with a casting material inlet and outlet. A casting piston is movable forward in a longitudinal direction in the casting chamber to discharge casting material from the casting chamber under pressure via the outlet, and is movable back, whereby casting material is feedable into the casting chamber via the inlet. The casting piston extends through a through-passage of the casting chamber body from outside into the casting chamber. An area of free space of the casting chamber is formed between an outer lateral surface of the casting piston and an inner wall surface of the casting chamber body transversely relative to the casting piston longitudinal direction by an outer cross section of the casting piston being appropriately smaller than an inner cross section of the casting chamber body.

主权项

1. A casting unit for a diecasting machine, comprising:
a casting chamber body including a casting chamber which is capable of being filled with casting material and comprises a casting material inlet and a casting material outlet; and a casting piston, capable of being moved forward in a longitudinal direction of the casting piston in the casting chamber, in order to discharge casting material from the casting chamber under pressure via the casting material outlet, and moved backward, in order to feed casting material into the casting chamber via the casting material inlet, and at least one of: (i) a casting piston temperature control device configured to actively independently control the temperature of the casting piston, at least in certain regions, or (ii) a guiding sleeve temperature control device configured to actively independently control the temperature of a guiding sleeve for the casting piston, wherein the casting piston extends through a through-passage of the casting chamber body from outside into the casting chamber, an area of free space of the casting chamber being formed between an outer lateral surface of the casting piston moved forward into the casting chamber and an inner wall surface of the casting chamber body lying opposite said outer lateral surface transversely in relation to the longitudinal direction of the casting piston, by an outer cross section of the casting piston being appropriately smaller than an inner cross section of the casting chamber body.