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End Ring Valve Gate Optimizes Multicavity Application Injection Molding

The EYEgate HRS features a specially designed pin guide system engineered to ensure permanent pin-gate alignment to significantly enhance the end ring’s durability.

Angela Osborne
Edited by:  Angela Osborne
Managing Editor, Gardner Business Media

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The EYEgate HRS features a specially designed pin guide system engineered to ensure permanent pin-gate alignment to significantly enhance the end ring’s durability.  Source: Oerlikon HRSflow

Oerlikon HRSflow’s EYEgate HRS is an end ring valve gate engineered to deliver optimal gate quality and extended lifespan for multicavity applications. With a diameter ranging from 3.0 to 3.5 mm, the EYEgate HRS is designed to ensure a minimal footprint, enabling precise injection point positioning — even in complex geometries and hard-to-reach gate locations.

The end ring features a specially designed pin guide system which works to ensure permanent pin-gate alignment, which can significantly extend the end ring’s lifespan. This end ring is suitable for applications up to 20 g and is available for both Oerlikon’s Sp and Tp nozzle series.

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As the latest addition to the company’s Multiflow HRS multicavity line, this injection molding end ring controls molten plastic as it flows into the mold cavity. Injection molding gate design plays an integral role in the outcome of a plastic mold. When there are errors in the injection mold gate design, there may be defects in the final molded plastic components. As this gate is already integrated into the end ring, the geometry simplifies gate area machining and reduces the time required for moldmaking.

The streamlined inner profile of the tip enhances color change performance by enabling continuous material flow without stagnation points. This ensures more efficient production processes, particularly in applications where frequent color changes are required.

Another key advantage for the EYEgate HRS is its ease of maintenance. When the gate becomes worn, the end ring can be replaced without remachining the cavity insert, thereby significantly reducing maintenance and production downtime costs. This translates to enhanced productivity and operational efficiency.

The EYEgate HRS is compatible with a variety of materials, including PC, PMMA, PP, PE, ABS, MABS, ASA, SMMA, SAN, thermoplastic elastomers and most sustainable resins. The eye ring is well suited for a variety of industries, including beauty and personal care, beverages, home products and medical applications.

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