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Vacuum cleaner for bagging use

Old 07-31-2020, 06:14 PM
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jester_s1
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Default Vacuum cleaner for bagging use

I'm sure it's been done, right? The idea is to make a PVC vacuum tank and use a ball valve (or something else that's better?) to seal it once the vacuum cleaner has done its thing. Does it work? Or is leakage too big an issue?
Old 07-31-2020, 07:08 PM
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speedracerntrixie
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Paul, I have yet to make a 100% leak free bag. For this to work you would have to be continually run the vacuum cleaner. The problem with that is the motor needs the airflow to stay cool. It would end up burning out the motor fairly fast.
Old 07-31-2020, 07:30 PM
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Point taken.
Old 08-01-2020, 04:29 AM
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Has anyone used the clothes storage vacuum bags? I've used them for clothes for years and the hold vacuum quite well. And I use a vacuum cleaner with them.
Old 08-01-2020, 05:42 AM
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Originally Posted by rgburrill View Post
Has anyone used the clothes storage vacuum bags? I've used them for clothes for years and the hold vacuum quite well. And I use a vacuum cleaner with them.

I thought about those after making my reply. If I am correct I think the bag material is pretty thick? May still work for bagging wings though provided it will hold vacuum at a constant rate.
Old 08-01-2020, 05:26 PM
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That's what got me thinking about it. Yes, the plastic is pretty substantial. They hold vacuum for a year or longer. I don't know if it's enough vacuum though.
Old 08-01-2020, 06:05 PM
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Or if it's too much. I bag wings cut with 1lb density foam at 5" vacuum. I think at around 10" the foam will crush. I had a vacuum switch failure once and discovered a 1/4" thick wing in the morning. For the cost of a set of cores and sheeting you can build a vacuum system.
Old 08-02-2020, 04:12 AM
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Yea. they crush my shirts but the do hold for a long time. I guess just using the eyeball method for watching vacuum pull could be a problem using a vacuum cleaner anythime.
Old 08-02-2020, 07:37 AM
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Speed, do you have a link to plans for a vacuum system? I' know about the EZ vac. If I build more, it would make sense. But I'm a one plane a year guy at best.
Old 08-02-2020, 08:18 AM
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Originally Posted by jester_s1 View Post
Speed, do you have a link to plans for a vacuum system? I' know about the EZ vac. If I build more, it would make sense. But I'm a one plane a year guy at best.
veneersupplies.com
Old 08-02-2020, 05:07 PM
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Jester, all you need to do is buy the vacuum switch on the link that Invert provided, find just about any vacuum pump at a surplus store. Make a tank out of 3" PVC pipe and caps. Install the vacuum switch to the tank and wire the switch to the pump. Plumb a line from the pump to the tank with an automotive check valve. Total cost shouldn't exceed $75.
Old 08-04-2020, 09:00 AM
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Pardon my stupidity, but there are a lot of vacuum pumps to choose from, and most are considerably more expensive than you're talking about. What kind of surplus store do you mean? I assume I'd be looking for a diaphram or piston type pump? For this application, CFM probably isn't a big concern?
Old 08-04-2020, 02:31 PM
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Last edited by sensei; 08-04-2020 at 02:34 PM.
Old 08-04-2020, 05:04 PM
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Jester, many guys are using refrigerator compressors.

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