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Thread: Designing a new workshop
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13th April 2008, 12:16 PM #1
Designing a new workshop
Greetings all, I have been off line here for a while, but I am now ready to start building a new workshop.
I am thinking of placing my dust collector under a work bench and have it connected to a collection line which will run around the base of the walls with blast gates at various points along the line.
My question is: What size pipe should I use for the collection line?
I have considered using 90mm PVC. should I go with this or maybe think of using a smaller diameter pipe?
ThanksI try and do new things twice.. the first time to see if I can do it.. the second time to see if I like it
Kev
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13th April 2008, 05:53 PM #2
In a perfct world it would be better to use 100mm metal ducting. If you use PVC earthing will be necessary every so often as static electricity can build up. If you are placing the pvc on the floor it may be OK but it may still have some static buildup
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13th April 2008, 07:22 PM #3
g day Brudda
My question is: What size pipe should I use for the collection line?
I have considered using 90mm PVC. should I go with this or maybe think of using a smaller diameter pipe?
I also wouldnt be too concerned about static...there has been heaps of debate on this and the general consensus for small workshops is that a dusty under 3hp will not generate enough static to cause a problem. You are more likely to start a fire using a blunt blade (smoke and embers) or sucking up something metal to cause a spark.
cheers
BD
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13th April 2008, 09:08 PM #4
Put your dusty in a outside enclosure.
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13th April 2008, 09:59 PM #5
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13th April 2008, 10:03 PM #6
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14th April 2008, 12:26 PM #7
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I thought the same thing, but yesterday the static on the 4" connected to the 16-32 drum sander was amazing. It wasn't enough to spark - I don't really know how much that would be, but it didn't on the day
- but it was getting uncomfortable reaching over the tube to transfer the timber from the outfeed back to the infeed.
Rob
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14th April 2008, 12:31 PM #8
Brudda, I asked the same question here a few years ago. The answer was the bigger the better. You should go with the 6" PVC pipe and a reducer to fit the 4" machines.
Visit my website at www.myFineWoodWork.com
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14th April 2008, 12:40 PM #9
That is the real issue with static in small dust collection systems...
Its not the chance it may cause the dust dust to explode that is any real danger ....but the odd zap (which can be quite strong in some circumstances). I know with my system if I walk past one of the down pipes while its on my hair stands up
Here is an article by a bloke who seems to have done a fair bit of research on this topic
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14th April 2008, 06:17 PM #10
Thanks for all of the responses, I have seen the "grounding" kits in Carba-Tec, and will think about using them.
At the moment I am visualizing the collection pipework being on the ground, and secured to the workshop frame. I currently have an upright DC, but am considering getting one of the underbench units.
The workshop is still in the "fliud" what,where,how stage, and I will not be ready to start for another couple of weeks.
When it is finally in the "here and now" I will post a few pics.
Thanks
KevI try and do new things twice.. the first time to see if I can do it.. the second time to see if I like it
Kev
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24th April 2008, 11:26 AM #11
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24th April 2008, 11:39 AM #12
Kev stick to the upright unit.
Go as big as possible with the pipe 5" would be better.
Keep as big as possible and only reduce to smaller size when really necessary.
Static line is neccesary when high volume of materail is flowing through the pipe as in sanders and thicknessers.Jim Carroll
One Good Turn Deserves Another. CWS, Vicmarc, Robert Sorby, Woodcut, Tormek, Woodfast
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25th April 2008, 07:21 PM #13