Polymer for gear application

  • 25-Feb-2011 03:58 EST
MetaldyneGear.jpg

Victrex Polymer Solutions, along with Metaldyne and Kleiss Gears, has jointly developed a net-shape injection-molded PEEK polymer gear for an inline four-cylinder gasoline engine mass balance system. Using one of the highest performing thermoplastics in the world, according to Victrex, the polymer gear replaces high-quality ground metallic gears. In a case study, the replacement offered a 69% weight reduction per gear; delivered a 3 dB noise, vibration, and harshness reduction; and provided a 9% reduction in overall power consumption, all while meeting the application's durability requirements. Other benefits realized from the switch to Victrex PEEK polymer also include lead times being shortened by as much as 70% and reduced capital equipment costs due to the ability to use standard injection-molding equipment.

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