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| Ducting/Gate Question... http://luthiersforum.com/forum/viewtopic.php?f=10101&t=45231 |
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| Author: | meddlingfool [ Wed Feb 25, 2015 8:10 pm ] |
| Post subject: | Ducting/Gate Question... |
Is there any real reason to pay the extra 12$ for aluminum gates vs plastic ones? |
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| Author: | Alex Kleon [ Wed Feb 25, 2015 8:58 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
They don't break, and the parts have a much tighter fit resulting in less air loss when closed. I have the same crappy plastic ones in my shop, but there's always something sexier to spend my money on! Alex |
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| Author: | B. Howard [ Thu Feb 26, 2015 8:13 am ] |
| Post subject: | Re: Ducting/Gate Question... |
The plastic ones seem to get jammed with dust and stop closing all the way quite often too. |
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| Author: | kencierp [ Thu Feb 26, 2015 8:40 am ] |
| Post subject: | Re: Ducting/Gate Question... |
The problem Brian describes can be minimized by cutting off the edge of the gate slide. Cover it with duct tape to re-seal. When you peel back the tape you can push the trapped dust out. The duct tape may need to be replaced occasionally. The metal ones can cost a fortune for a well equipped shop - the plastic with the above mod get the job done for us. |
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| Author: | SteveSmith [ Thu Feb 26, 2015 10:10 am ] |
| Post subject: | Re: Ducting/Gate Question... |
I've been using the metal blast gates like the ones from Lee Valley. http://www.leevalley.com/US/Wood/page.aspx?p=51506&cat=1,42401,62597 I think I found a source that had a better price but can't remember where. If I can come up with it I'll post it. |
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| Author: | WudWerkr [ Thu Feb 26, 2015 10:15 am ] |
| Post subject: | Re: Ducting/Gate Question... |
I sell Spiral Manufacturing Brand dust collection systems , as far as price against anyone else I would just have to see what I could do . |
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| Author: | DannyV [ Thu Feb 26, 2015 10:25 am ] |
| Post subject: | Re: Ducting/Gate Question... |
SteveSmith wrote: I've been using the metal blast gates like the ones from Lee Valley. http://www.leevalley.com/US/Wood/page.aspx?p=51506&cat=1,42401,62597 I think I found a source that had a better price but can't remember where. If I can come up with it I'll post it. +1. They do what they're suppose to do and are reasonably priced. |
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| Author: | meddlingfool [ Thu Feb 26, 2015 11:17 am ] |
| Post subject: | Re: Ducting/Gate Question... |
Those do look nice. A small drawback though is the space required behind them. I have two intersections where I want to gate wyes, it couldn't be done wit those... |
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| Author: | wbergman [ Thu Feb 26, 2015 1:46 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
Maybe not news to most, but save yourself a little and also have cleaner air by not using the central system to collect from a jointer (maybe a planer, too?). The discharge can just go into a bucket. |
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| Author: | meddlingfool [ Thu Feb 26, 2015 3:13 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
How would you have cleaner air? |
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| Author: | wbergman [ Thu Feb 26, 2015 4:05 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
If you run the typical bag dust collector, it is maybe 2 microns. The fan keeps blowing the old collected dust around inside and the bag keeps emitting 2 micron dust. That is if your bag or pleated filter does not leak. Many times you can find a line of dust along the machine where the system is not properly sealed, so it is even worse than 2 microns. A jointer shaves off wood and just drops it down a chute into a bucket, without generating lots of fine particles. I do not have a planer, so I do not know how the shavings leave the machine. That's my take on it. |
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| Author: | meddlingfool [ Thu Feb 26, 2015 6:46 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
There is no value in a bag collector if you really want health protecting dust collection. We're stepping up to proper cyclones with filters good for 99.8% of all down to .02 micron, complemented with retrofit HEPA filters on our air cleaners... |
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| Author: | Bri [ Thu Feb 26, 2015 9:29 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
Just go hit up your local HVAC wholesaler. They usually have 4 and 6 inch in stock. Pretty reasonable. |
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| Author: | meddlingfool [ Thu Feb 26, 2015 10:41 pm ] |
| Post subject: | Re: Ducting/Gate Question... |
Hey, I need 5" of course. I've decided to treat myself and spend the extra 30$ in a 2k overall system... |
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