3D printed manifold system ensures faster colour changes

Hot runner technology 3D printed manifold system ensures faster colour changes

2023-10-23 Source: Hasco 1 min Reading Time

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HASCO Hasenclever GmbH + Co KG

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Meusburger Georg GmbH & Co. KG

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In conventional injection moulding, undesirable, poorly flowing areas often occur in the hot runner due to roughness around the valve pin. This results in degradation reactions in the plastic melt and exceptionally long colour transitions. The new Shadowfree manifold concept from Hasco Hot Runner uses a revolutionary design to combat this problem.

Hasco’s Shadowfree technology eliminates shadow formations in valve gate systems.(Source: Hasco) — Hasco’s Shadowfree technology eliminates shadow formations in valve gate systems.
(Source: Hasco)

The Shadowfree manifold concept from Hasco is a 3D-printed, screwed-on system that has been designed to effectively split the material flow into streamlined channels. It generates an even flush around the needle and reunites the material flow at the point where the valve pin enters the melt channel. According to Hasco, rigorous testing has shown that the system provides a rapid transition from black to white material in just 25 cycles, outperforming conventional valve gate systems by three to four times.

In addition to the advantages of the Streamrunner, such as the elimination of dead spots, a particularly gentle material flow and thus a noticeable reduction in pressure losses, the Shadowfree technology now also offers a solution for extremely sensitive materials in terms of heat stability in combination with valve gate systems.

The additively manufactured Streamrunner is developed with state-of-the-art technologies for innovative future-oriented solutions. The compact and perfectly balanced solution ensures particularly gentle melt guidance in combination with excellent colour change characteristics. The leak-proof system is also particularly suitable for multi-cavity systems.

With up to 70 percent faster colour changes, the Streamrunner Shadowfree enables material losses to be reduced and product quality to be increased.

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