I read that decoupling your enclosure improves the soundproofing of the enclosure. However at some point, the two panels will have to connect. If I am using an aluminum frame enclosure similar to the 8020 and screw 2 panels on each side, where they are connected to th aluminum frame, but not to each other, is this enough to create a decoupling effect or will the aluminum frame be a conductor to the vibration?
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What I’m doing to decouple the CNC from the enclosure is to place the CNC inside the enclosure with a rubber mat similar to what you would put under a treadmill.
You should really decouple twice people will argue different but resonating frequencies and diminishing returns are still a thing. Your rubber mat will decouple it some but then any frequencies that make it through and into the enclosures structure create vibrations between the enclosure and the stand.
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Mass is your friend.
For this sort of structure I’d recommend rubber washers in-between the plywood and the metal, and filling the void with a material such as rock wool.
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