Tech to improve grinding wheels

We’ve covered some of the technical components that are spinning inside a humble garbage disposer, but the real action takes place in the grinding system. At the same time, the tech challenge is how to make this operate as quietly as possible!

The high-end units will use multiple grinding wheels to crush food waste to a pulp. They also use special materials and baffles to reduce the sound.

InSinkErator-EvolutionIf you rely on a garbage disposal unit – and millions of homes in the US do – then you might be interested to understand how much engineering know-how goes on inside the discreet casing.

Take, for example, one of the best-selling models, the InSinkErator Evolution Excel, which is designed for busy kitchens and has multiple grinding stages and a special noise-reduction system.

(As an aside, if you are looking for a new unit and are confused with the choice, take a look at this review site that compares features from the best garbage disposal units and provides a useful comparison chart.)

A key selling point of the Excel is its high-end grinding system: other models might include a single grinding setup (with  one set of grinding wheels), but the Excel includes a 3-stage grinding system to crush and pulp even the toughest chicken bones.

This model also includes what InSinkErator say is a unique sound-reduction technology that cuts the noise from the unit to acceptable levels so you can still hear normal conversation whilst it’s running. This is thanks to the special sound-reduction baffles and low-friction materials such as nylon bushes, that together make up the unique SoundSeal system.

To help you find out more about the technical features, the spec and the components used in this Excel model and by other manufacturers, visit the site I used for this initial research – which provides background technical articles together with reviews of almost all the garbage disposal units on the market – plus it helps you choose the right model for your needs.

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