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Liquid silicone rubber (LSR ) is a two component reactive chemical with a viscous, paste-like consistency.
New injection machinery at the show ranged from all-electric units for high-speed packaging or bioplastic processing to hybrid presses ready for the cleanroom. Other units highlighted multi-component molding with LSR and thermoplastics or super-compact presses for small parts. Several new machines targeted specific applications such as caps and closures, PET preforms, LSR, or integrated long-glass compounding.
More speed, more power, more precision, and more automated functions accomplished in and out of the mold. That’s exactly what injection machinery suppliers were offering at NPE2012.
What PET stretch-blow molding machine has the highest output per cavity today? Tetra Pak PET Packaging Systems North America, Schaumburg, Ill., claims that distinction for its new LX series reheat machines. These machines reportedly offer 20% higher throughput per cavity than the competition, as well as mold changeovers that are more than twice as fast. The firm also says the ratio of capital cost to output capacity is better for these machines than for competing units.
Qualifying a mold often can take weeks and involve several costly and time-consuming steps.
The abundance of injection molding news at this year’s show is staggering.
The combination of an injection molding press and a twin-screw compounding extruder represents a new paradigm for processors: They create their own materials as they mold them.
Integration of leak testing into a fully automated assembly system proved to be a boon for San Diego-based Gen-Probe, Inc., a pioneer in genetic diagnostics for disease testing.
Hot buttons at the show will be multi-component molding, in-mold labeling/decorating (IML/IMD), in-mold assembly, medical molding, liquid silicone rubber (LSR), micro-molding, and high-speed packaging.
Band-heater developments at the show are focused on high-temperature applications such as “thixomolding” and on prolonging heater life by minimizing leaks.