Closed loop cooling system for tools on plastics molding machines has feed channel supplying carbon dioxide coolant to bore from which outlet channel goes to compressor recycling coolant to feed channel

摘要

The tool (5) has at least one bore (51) supplied with coolant via a feed channel (3). Used coolant leaves each bore via an outlet channel (4) and flows to an input side of a compressor (8) whose output side is connected to the feed channel to form a closed loop for circulating coolant.