INJECTION MOLDING: PET Preform System Upgrades Boost Output, Energy Efficiency
Husky Injection Molding Systems has launched its next-generation HyPET HPP5 preform molding system, which incorporates numerous enhancements that reportedly allow for up to 12% productivity improvement.
Husky Injection Molding Systems, Bolton, Ont., has launched its next-generation HyPET HPP5 preform molding system, which was previewed last fall at an open house at Husky’s Luxembourg plant. The system incorporates numerous enhancements that reportedly allow for up to 12% productivity improvement, depending on application, over the previous-generation system.
Designed to satisfy customers that already have a large installed base of tooling, HyPET HPP5 can utilize molds from previous HyPET generations. Simplified cross-generation mold-compatibility packages make upgrading equipment easier, Husky says.
A key feature of the new system is what Husky calls “the industry’s first integrated solution for extended mold life” to reduce maintenance costs. Benefits are said to include 60% longer intervals between required mold maintenance and extended tool life up to 10 million cycles without excessive wear or flash. Sensors are said to ensure correct mold installation and to detect misalignment between mold halves during operation. If misalignment is detected, the sensors alert the operator via the Polaris controller and provide specific instructions on how to correct the situation by adjusting the vertical position of the cold half without the use of a crane. Additional features to reduce maintenance and downtime include an improved procedure to align neck rings to the cavity plate and special anti-wear coatings that extend greasing intervals up to 120,000 cycles.
Improvements to the CoolPik dehumidification unit, standard on the new systems, reportedly contribute to cycle-time improvements of up to 3% on carbonated soft-drink preforms. Husky replaced the desiccant wheel dehumidifier and air-to-water heat exchanger with refrigerator-based combined air cooling and dehumidification.
Also, the Polaris controller has been redesigned with a 19-in. color LCD display, more intuitive layout for easier access to screens, and ability to monitor and control auxiliaries. Software and menu screens have been improved to simplify startup, and the Altanium hot-runner temperature controller is now fully integrated into the Polaris system. Further simplifying startup is Husky’s intelligent Mold ID technology, which provides information on mold maintenance, process setup, and operation for each startup.
(905) 951-5000 • husky.ca
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