Re: OT: Front Loading Washer Vibrations


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Posted by Sherman in Idaho [72.47.9.37] on Sunday, December 02, 2012 at 22:05:18 :

In Reply to: OT: Front Loading Washer Vibrations posted by Greg Coffin [4.228.135.221] on Sunday, December 02, 2012 at 21:44:43 :

I don't know anything in particular, but your problem may solve itself soon. From what I've been reading in my trade rags, the front-loaders tend to destroy themselves fairly quickly. In particular, the rear support/bearing assembly is a weak point. EPA likes them because they supposedly save water and electricity. I don't suppose they count the water and electricity it takes to make new ones every few years. My 30 year old Sears top loader is still going strong, though it's developed a leak somewhere that I haven't bothered to find. If you do the vibration-isolation slab, put rubber isolators between the machine and the slab. Use the softest, squishiest rubber you can find that isn't foam, and keep them small diameter, but tall, so they can squish a lot. If you want to isolate between the slab the house, you can do that too, but you'll gain the most by doing it the other way.

In signal-processing terms, what you're trying to do is create a low-pass filter with a cutoff frequency lower than the vibrational frequency of the machine. If you know anything about electronic "R-C" filters, the rubber mounts are the "R" (resistance) and the concrete slab is the "C" (capacitance),



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