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11-10-2020

Nozzle for Small Parts

Husky releases Award-Winning Ultra Helix 250 T2

The features of the Ultra Helix 250 T2 make it the solution for specialty and flip-top closures, small medical parts and multi-material parts with limited gate access.

Husky Injection Molding Systems Ltd., Bolton, ON, Canada, announced the release of the newest addition to the Ultra Helix valve gate nozzle lineup. The advanced design of these nozzles minimizes wear, providing industry leading gate quality and longevity as stated in a press release. The award-winning Ultra Helix 250 T2 was specifically developed to extend the benefits of the Ultra Helix technology for small part weights with difficult to access gate locations.

Direct Gating for Small Parts

With a 12 mm nozzle bore, the Ultra Helix 250 T2 allows for direct gating in locations not achievable with larger nozzles. The pitch spacing down to 15 mm enables the highest cavitation density and smallest mold footprint.

Reduced Maintenance

The new nozzle’s extended maintenance interval PX actuation is designed for applications with leakage prone resins like TPE and PE. The addition of a stem seal paired with enhanced thermal management heater technology improves performance and significantly optimizes maintenance requirements. This results in lower risk and cost of ownership.

  • Close-up view of the Ultra Helix 250 T2 nozzle (© Husky)

  • 48 cavity hot runner system using the new nozzle (© Husky)

  • Close-up view of a high cavitation Ultra Helix 250 T2 hot runner system (© Husky)

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Three Actuation Options Possible

The Individual Pneumatic option offers pitch spacing down to 25.4 mm, providing ease of access for maintenance with the ability to individually access valve stems without removing the backing plate. Both the plate actuated UltraSync-P or servo driven UltraSync-E options can achieve 15 mm pitch spacing.

Producing Part Weights of Less than 0.1g

Applications are high quality precision parts from medical barrier closures and flow regulation valves to personal care products, food and beverage packaging and flip top closures. The part weights being produced range from less than 0.1 g to over 4 g and are being made from resins that are prone to leakage like PP, HDPE, LDPE, TPE and TPV, in both single injection and multi-material applications. According to the company, the Ultra Helix 250 T2 is already demonstrating its superior performance for small part weight with difficult to access gate location applications in both Individual Pneumatic and UltraSync actuations.

Award Winning Technology

The Ultra Helix 250 T2 received an award at the 2020 Plastics Industry - Ringier Technology Innovation Awards in the Mold and Component category. Contending products were evaluated based on their ability to improve product efficacy through technological innovation or provide new business opportunities for the market. Winners were selected by professionals from industry associations and scientific research institutions.

Company profile

Husky Injection Molding Systems S.A.

Zone Industrielle Riedgen
LU 3401 DUDELANGE
Tel.: +352 52115 4264
Fax: +352 525170

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