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HRS Flow Servo-controlled valve gate systems

Editor: Steffen Donath

Introduced in early 2020, Flexflow Evo is an advancement of the Flexflow technology for servo-electrically driven valve gate systems from HRS Flow.

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The most promising application trends for Flexflow Evo include cost-efficient family moulds.
The most promising application trends for Flexflow Evo include cost-efficient family moulds.
(Source: HRS Flow)

With actuators directly fixed on the manifold, the result is a ready-to-install system for quick and safe installation on the mould. The updated software simplifies the operator’s work and can be easily retrofitted to all existing control units, according to the company.

Back-injection of films, here using the example of a demonstrator cover with backlight functions and integrated capacitive sensor
Back-injection of films, here using the example of a demonstrator cover with backlight functions and integrated capacitive sensor
(Source: HRS Flow)

Flexflow Evo is complemented by the Flexflow Evo One valve gate system, which is also servo-motor driven. Instead of the usual control system, a simply designed driver module coupled to each individual nozzle takes over the task of controlling the melt flow in order to produce molded parts with reproducibly high quality.

Currently, the most promising application trends for the Flexflow Evo technology include family moulds and back-injection of films. Companies using family moulds for the simultaneous production of different parts in a single shot benefit from cost savings compared to separate production of the individual components.

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