Full Version: Exhaust Blower
From: Paul (JACKPETTY) [#16]
26 Mar 2006
To: bobkat [#15] 28 Mar 2006
Great idea but is the air going thru the blower enough to keep it cool for those long jobs? I worry about the heat build up or, am I worrying about nothing?
Thanks for the great idea!
From: bobkat [#17]
28 Mar 2006
To: Paul (JACKPETTY) [#16] 28 Mar 2006
From: Paul (JACKPETTY) [#18]
28 Mar 2006
To: bobkat [#17] 28 Mar 2006
Thanks, I've already started the 'mental' process of doing this. Gotta put out a few fires first.
I appreciate the info.
From: Harvey only (HARVEY-ONLY) [#19]
28 Mar 2006
To: Paul (JACKPETTY) [#18] 28 Mar 2006
From: Paul (JACKPETTY) [#20]
28 Mar 2006
To: Harvey only (HARVEY-ONLY) [#19] 28 Mar 2006
From: corel_guy_76010 (ROBERT_HENSLEY) [#21]
29 Mar 2006
To: ALL
The Penn State DC3 is the what everyone uses. It is not recommend for outdoor use. I would not cover it or put in a box outside. It WILL rust.
However, most people put it right next to their laser. If it's too loud, build a plywood box and but installation in it. Remember, it's not like an air compressor that will burn up. It gets its air from the laser and exhausts it out.
The exhaust should be within 10 ft of the laser. Anything more reduces the static resistance. It can be vented up to 50 feet without any problems. Have done serveral installs like this without any problems.
Add a plastic or metal gate between the laser and the exhaust. This will allow more control over the flow when you need less. If you live in a climate such as Mexico, add another gate after the exhaust and before it goes outside. I've have seen lasers rust because the laser is open to the outside and mositure comes in from the outside (in the morning).
Also now is the time to add a paint booth for color filing or spraying paint on plaques. This unit can handle both systems without any problems.
TheLong Ranger remote control is the only way to go. Have one on my paint booth and one on my laser.
From: bobkat [#22]
29 Mar 2006
To: corel_guy_76010 (ROBERT_HENSLEY) [#21] 4 Apr 2006
Hi Corel guy. There are several things in your post I don't agree with. First off, not everyone uses the Penn State blower (although not a bad choice), I know several people (including at least 1 laser system manufacturer) who use the 1 hp Grizzly dust collector. Works fine for exhaust and also for vacuum hold-down. I have had one outside in a deck box for 2 years; no moisture, no rust.
Putting the blower next to the laser is the worst place you can put it. Any exhaust gasses between the blower and the outside vent are in a pressurized line, and any leakage is being blown into your building. It is better and safer to have the blower at the end of the run than at the beginning. If the blower is at the end of the run, any leakage on the intake side of the blower will just suck room air into the line and exhaust it outside; it is a negatively pressurized line.
Lastly, you NEVER want to use either of these units for a spray booth application. Neither unit is rated explosion-proof, as they both draw air (and volatile fumes) past the motor. OSHA or your local fire inspector is likely to have a big problem with an installation of this type.
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