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Mixers & Blenders Reworked Mixer Gear Design for Quieter Running

Editor: Dominik Stephan

Neptune has reworked its mixer design after user pointed out an opportunity for Neptune to reduce the perceived sound levels being emitted from the gear-train on several of its mixer lines.

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Neptune has overworked the gear design of its mixers, resulting in a significantly lower perceived and measured sound level, the company states. (Picture: Neptune)
Neptune has overworked the gear design of its mixers, resulting in a significantly lower perceived and measured sound level, the company states. (Picture: Neptune)

This was especially eminent the early stage of the mixer’s life–cycle, when the unit was still in the “break-in” period. With that feedback in mind, Neptune worked closely with its gear supplier to optimize the gear-tooth profile by increasing the American Gear Manufacturers Association (AGMA) Quality Class from a level 6 to a level 9, resulting in tighter manufacturing tolerances on the mesh and backlash, and an improved running-surface finish.

These changes, Neptune states, have resulted in lower perceived and measured sound levels. The mixers are suited for waste and water treatment as well as batch-chemical operations with materials such as paints, polymers and pharmaceuticals with viscosities from one to more than 25,000 cPs.

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