Author |
Message |
Topic: Gast 1065 Vacuum-Pump EQUIVILANT? |
mnttech
Replies: 15
Views: 8255
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Forum: Vacuum Forming & General Stuff Posted: Mon Sep 08, 2008 12:42 pm Subject: Re: Gast 1065 Vacuum-Pump EQUIVILANT? |
gast uses CFM, and the sump pumps use a water variant. IS THERE A WAY TO CONVERT THIS?
CFM = Cubic feet per minute, or a flow of air
Inches H20 (I assume is what you are refering to) is an amo ... |
Topic: Voltage question. |
mnttech
Replies: 12
Views: 5113
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Forum: Vacuum Forming & General Stuff Posted: Mon Sep 08, 2008 12:37 pm Subject: Voltage question. |
You can provide 220 (wires of hot, hot, neutral, and maybe ground) from a main CB box to an out building, and then just use one hot and the neutral for 110.
but I'm not an electrician
Since you ... |
Topic: Interchangeable Table Size |
mnttech
Replies: 3
Views: 1722
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Forum: Vacuum Forming & General Stuff Posted: Mon Jun 23, 2008 10:13 am Subject: Interchangeable Table Size |
At a previous employer we had a 4' x 8' single hole table. The table was covered with rubber. We had a large selection of frames made out of 2" x 2" pine boards. These frames were anythin ... |
Topic: Vacuum measurement quandry.... high altitude (5280 Feet) |
mnttech
Replies: 5
Views: 2665
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Forum: Vacuum Forming & General Stuff Posted: Fri Jun 20, 2008 4:35 pm Subject: My .02$ worth |
Oh this one always gets me confused…
Remember that when the weather forecasters tell us the pressure is 29.92, what they actually mean is the corrected pressure is 29.92. The barometers they use are ... |
Topic: Heat Controller and "On and Off" Switch For 220 v |
mnttech
Replies: 3
Views: 1981
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Forum: Vacuum Forming & General Stuff Posted: Sun Mar 30, 2008 11:40 am Subject: My .02$ worth |
I'm using a electronic controller from Auberins and it seems to work just fine. The prices are from last July, not sure if they have gone up or not.
1/16 DIN PID Temperature Controller (SSR control ... |
Topic: Cleaning up after making a mess |
mnttech
Replies: 12
Views: 4889
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Forum: Vacuum Forming & General Stuff Posted: Sun Dec 30, 2007 10:30 am Subject: Cleaning up after making a mess |
Fredo,
Nice thought, but the oven sits on a metal frame, and I still have not figured out how to weld yet. Thanks for the input. |
Topic: Cleaning up after making a mess |
mnttech
Replies: 12
Views: 4889
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Forum: Vacuum Forming & General Stuff Posted: Sat Dec 29, 2007 1:45 pm Subject: Cleaning up after making a mess |
You may not need to re build the whole thing. Just ad 6 inches to the top of the oven, and remake the hinge.Jim,
If you raise the hinges, do you have to raise the vacuum platform too?
I understand ... |
Topic: ABS vs. Styrene - Plastic differences |
mnttech
Replies: 26
Views: 15881
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Forum: Vacuum Forming & General Stuff Posted: Tue Nov 13, 2007 9:53 pm Subject: ABS vs. Styrene - Plastic differences |
Sounds good, but where does PETG fit in?
And just what is styrene? (when it comes to letters like PETG) |
Topic: HELP! Does the size (diameter) of pipes matter? |
mnttech
Replies: 3
Views: 2128
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Forum: Vacuum Forming & General Stuff Posted: Tue Nov 13, 2007 9:51 pm Subject: HELP! Does the size (diameter) of pipes matter? |
The ID of the pipes controls the flow of vacuum, and from what I can tell, the bigger the better. |
Topic: After a melt down |
mnttech
Replies: 5
Views: 2444
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Forum: Vacuum Forming & General Stuff Posted: Sun Oct 28, 2007 10:34 pm Subject: After a melt down |
Do you have any pictures?
Charlie
Nope, it was clear PETG so the pictures would not come out. I had killed the power just as it happened. I'm not 100% sure that was the best thing since the pl ... |
Topic: After a melt down |
mnttech
Replies: 5
Views: 2444
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Forum: Vacuum Forming & General Stuff Posted: Tue Oct 23, 2007 8:45 pm Subject: After a melt down |
I doubt that I'm the first one to have this happen, so I thought I would ask. What is the best thing to do when your plastic melts too much and drops down on your heating coils?
Safety first, unpl ... |
Topic: Tweaking your oven |
mnttech
Replies: 8
Views: 2763
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Forum: Vacuum Forming & General Stuff Posted: Mon Oct 22, 2007 12:49 am Subject: Tweaking your oven |
It seems that nichrome will oxidize (sp) rather quickly when it has been used, and a little scraping is needed to make good contact. As noted in othe threads, never check the resistance with the oven ... |
Topic: Would Mig wire work? |
mnttech
Replies: 11
Views: 4283
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Forum: Vacuum Forming & General Stuff Posted: Mon Oct 22, 2007 12:38 am Subject: Would Mig wire work? |
...
To measure resistance, I always unplug the oven (call me paranoid, but I just don't like my teeth tingling from that electric zap!) If your oven is already wired up with parallel segments, you'll ... |
Topic: Way over built, but it is fun |
mnttech
Replies: 15
Views: 5203
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Forum: Vacuum Forming & General Stuff Posted: Sat Sep 22, 2007 4:53 pm Subject: Way over built, but it is fun |
Now I can start figuring out how to use this thing.
The tank system works out to be around 14 gallons.
1 minute of pump = 14" of Hg.
2 minutes = 18"
3 minutes = 19"
and 4 gives ... |
Topic: Wiring LED's |
mnttech
Replies: 14
Views: 3793
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Forum: Vacuum Forming & General Stuff Posted: Fri Sep 21, 2007 7:57 am Subject: Wiring LED's |
If I only need a 100 ohm resistor, will it matter if I get the closest thing, in this case, like a "330 ohm 1/4W 5% Carbon Film Resistor," would the 230 ohm difference affect the LED perfor ... |
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