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dampening noise from table  

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(@davidp)
Contributor
Joined: 5 months ago
Posts: 3
August 19, 2019 7:09 pm  

My daughter figured out a way to make my table much quieter.  She first noticed that the sisbot (if that's the right term) made no noise at all when disconnected from the table.  However, she could feel it vibrating.  So she figured the problem was the transference of that vibration to the table.  The table itself then acts like a drum and amplifies the sound.  Next, she cut eight octagonal rubber washers out of a wide rubber band.  She added two to each of the four screw-fasteners (also, pictured below).  The octagonal shape made it easier to position the washers.  Finally, she did not tighten the screws all the way, and thus the metal part of the sisbot does not come up to touch the braces.  (She experimented with putting washers on both sides of the sisbot plate, but that did not work as well.)  At this point, the only noise we get is from the ball rolling through the sand.  My table is *much* quieter now.  She also has ideas for alternative ways of dampening the vibration.

Best,

David


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(@bruce)
Admin
Joined: 2 years ago
Posts: 207
August 22, 2019 10:36 am  

Thanks for sharing your daughter's discovery - sounds like she has great engineering talents! We haven't receiver many complaints of vibrational noise - but her solution is good to know about should others run into it.


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(@rob-grishow)
Contributor
Joined: 4 months ago
Posts: 1
November 11, 2019 5:42 pm  

Good to know. We just got our Mini EX table last Friday and love it, but I've been wondering about the noise as it makes enough of a whirring noise when the room is fairly quiet.

I'm curious if something like this could be done to the Mini EX as well.


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(@bruce)
Admin
Joined: 2 years ago
Posts: 207
November 11, 2019 8:46 pm  

I'm very noise conscious myself. Can you tell me what speed you have your slider set at (if you have connected and changed the default speed)? Does it make sound when it's not moving (but still plugged in)? Thank you for describing the sound: whirring. That is very helpful! This is an ongoing hunt to make our system work as quietly as possible.

This post was modified 1 week ago 2 times by Bruce

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