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MEX / HRS Flow Hot runners with uncooled cylinder

Editor: Steffen Donath

HRS cool is a solution for hot runner injection moulding, enabling the otherwise necessary water cooling of the corresponding actuator to be dispensed with.

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Separate cooling of the cylinders becomes superfluous in a wide variety of applications.
Separate cooling of the cylinders becomes superfluous in a wide variety of applications.
(Source: Andrea Piovesan)

The key here is the twice optimised temperature management system, in which insulating supporting columns with a minimal contact surface reduce the input of heat from the hot runner to the cylinder housing. This housing, in turn, is provided with a cover with a large, flat surface made of thermally conductive material. The integrated telescopic design enables maximum heat dissipation from the cylinder to the cold platen. With HRS cool, there is no need for cooling lines, channels and connections required for active cooling. Assembly, handling and operating costs are reduced because machine availability increases as clogged cooling circuits and the degradation of hydraulic fluids no longer occur.

(ID:45909568)