vwfence
has rocks in the head
Member since January 2013
Posts: 557
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Post by vwfence on Dec 29, 2017 21:28:09 GMT -5
Has anyone built a filter system for there bigger Saws to keep oil clean ?
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Post by Peruano on Dec 30, 2017 7:38:35 GMT -5
Would two grocery bags in a bucket stacked on top of another bucket working independent of the saw count as a system?
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Post by captbob on Dec 30, 2017 9:41:26 GMT -5
I recall seeing a few threads with oil cleaning systems here in the past. I have no idea how to search for those threads.
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Post by Pat on Dec 30, 2017 10:49:50 GMT -5
A friend uses old nylon stockings. Easy and free.
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sphereguy
having dreams about rocks
Hello all I've been lurking for months now
Member since March 2017
Posts: 73
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Post by sphereguy on Dec 30, 2017 13:18:02 GMT -5
I run a dozen saws I’m only able to run seven at a time due to power limitations. And filtering is easy A cheap pillow case and a bucket It takes a week or so and the oil filters through like a coffee filter. And when it’s done you have a bag of dried sediment and a bucket of filtered oil. There’s about 80% recovery depending on how long you let it drip. With a dozen saws going I still buy 30 gallons a year. This year I’ve cut a few thousand slabs. And still have a five gallon pail of new oil and three pairs of filtered oil The best advice I have is don’t let the oil in the saws go to a pudding consistency, drain and filter often and it filters faster. Cost of pillow case 99 cents and I go through a dozen or so per year. One day I’ll think about a centrifuge but for now the pillow case works fine.
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Post by youp50 on Dec 30, 2017 19:36:34 GMT -5
The trouble with a centrifuge is the low capacity for solids. Semi reasonable prices on centrifuge designed for bio diesel. Ten and a half ounce capacity for solids. I would expect that much solid in a days cutting.
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Post by toiv0 on Dec 30, 2017 21:15:40 GMT -5
I thought I read on here someone drains full time into a bucket with a filter and pumps back onto the blade. I am like captbob and dont know how to search on here worth a hoot. I might be interested in doing it this way as opposed to doing a real clean out.
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Post by Peruano on Dec 30, 2017 22:05:19 GMT -5
A filter system is appealing but usually would involve building a saw with a sump allowing maximal removal of solids or greatly increasing the Volume of oil. You can filter it continuously or periodically.
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vwfence
has rocks in the head
Member since January 2013
Posts: 557
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Post by vwfence on Dec 31, 2017 15:21:30 GMT -5
I have a saw with a pump now that I want to try and ad a filter system to and if that works ill ad pumps to my other big saws
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Post by youp50 on Dec 31, 2017 17:59:34 GMT -5
Having a saw with a pressure oil system makes it lots easier. I would look to the automotive supply houses. A filter bracket with bypass relief valve. A large filter and let it rip. Pipe it in on the pump discharge side of the system.
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Post by broseph82 on Jan 4, 2018 19:53:41 GMT -5
Buy a small (5 gallon) wet/dry vac. Suck up everything oil, sludge, rock pieces into vacuum. Every so many minutes check to see how much you have. Pour off into the 2 bucket and paper bag system. The more you let the oil sit in the vacuum the more the solids sink and stay. I’ve been doing this for a while now and will never look back.
PS I have a Covington 16” slab saw and there’s not enough room in there for my big paws and anything remotely hand sized to scoop.
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rochaura
off to a rocking start
Member since July 2013
Posts: 14
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Post by rochaura on Jan 21, 2018 19:41:28 GMT -5
I use a cascade filter system for both saw oil and cabbing water. For the saw It is a one gallon bucket suspended over a five gallon bucket under the drain. Virtually all the solids settle out in the upper bucket and the spillover is pumped back to the blade. Any pump that can handle water can pump light oil. This has the added advantage of keeping more oil on the blade for extended blade life. It's a whole lot easier to filter one gallon that is already in a bucket than scooping it out of the big machine. Eventually the inside of the tank builds enough crud from spray that the inside will need scraping. I generally let it get about one inch thick. For this I use a broadknife. It comes out almost dry. I would guess this happens around once for every 50 or 100 one gallon dumps.
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