MEX / HRS Flow

Hot runners with uncooled cylinder

| Editor: Steffen Donath

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)

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

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.

Flexflow hot runner technology by HRS flow for family mould

HRS flow

Flexflow hot runner technology by HRS flow for family mould

20/03/2019 - HRS flow presents a new family mould for one-shot production of three high-quality visible parts for a door module for car interiors. The use of the Flexflow technology ensures finely grained surfaces without pressure lines or flow marks. read...

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