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07-05-2011, 08:35 AM
| #1 |
| Pebble Pounder Join Date: Jun 2010 Location: Olympia
Posts: 170
|  Full-size oxy-acetylene rig
Hi all, I have a full-size oxy-acetylene rig at my shop. I was wondering if it could be used to braze a tube frame up, or if it would be major overkill. I was thinking about picking up a 000 tip for it, unless there's a better one. I'm a good hand with the old gas welder, but I've never done anything this small before. Should I give it a try or wait and buy a smaller rig? |
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07-05-2011, 09:27 AM
| #2 |
| I wanna be Dave Join Date: May 2006 Location: akron
Posts: 4,054
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It will work fine.. a fine tip would be a good Idea to keep the heat pinpointed better..
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07-05-2011, 10:05 AM
| #3 | |
| I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
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07-05-2011, 10:58 AM
| #4 |
| I wanna be Dave Join Date: May 2008 Location: Baltimore
Posts: 4,442
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That's what I'm using for my brazing work, although I've been using a '00' tip with great results, just keep both pressures around 3-5 lbs and you will be fine.
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07-05-2011, 11:04 AM
| #5 | |
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Ditto to this. I have a full size setup with a 00 tip and it can be pretty difficult to get it just right with a normal regulator. Even with my setup turned as low as I can, the flame is still a bit hard to handle inside tight frames. The smaller the flame the better. OA burns hot enough that you just need a very fine flame to wet out the joint. Anything more than an inch or two long is just wasting fuel on commonly used rod and tube diameters. The nice thing about using OA is that you can tack weld the frame together before brazing, with the right skill and equipment. | |
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07-05-2011, 11:57 AM
| #6 |
| RCC Addict Join Date: May 2010 Location: The heart of the south
Posts: 1,138
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Fully agree. I use a full size rig (as far as the torch goes) with small bottles in a wall rack. I small tip and fine valve control is the key. I also LOVE this rig for bending my 1/2 square steel tubing. beats the hell out of MAPP gas. |
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07-05-2011, 03:10 PM
| #7 |
| Oliver Custom Knives Join Date: Dec 2007 Location: Bloomfield NM , not something stupid
Posts: 1,047
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Get a 00 tip , the 000 is too small for a full size setup.
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07-05-2011, 03:22 PM
| #8 | |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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07-05-2011, 06:05 PM
| #9 |
| Oliver Custom Knives Join Date: Dec 2007 Location: Bloomfield NM , not something stupid
Posts: 1,047
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IDK John , I just couldn't get it to work well. Went to a 00 and it's great , other than it being so big and bulky.
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07-05-2011, 06:20 PM
| #10 |
| I wanna be Dave Join Date: Jul 2006 Location: The beautiful Pacific Northwest
Posts: 6,923
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00 for me and standard regulators....just need lots of practice and a certain "touch".
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07-05-2011, 09:46 PM
| #11 |
| Pebble Pounder Join Date: Jun 2010 Location: Olympia
Posts: 170
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I'll give it a try with the 00 tip. I should be able to get the touch right, I made some tiny stuff in shop class back in high school. Maybe in the future I'll get a smaller setup for easier work. It'll depend on how well this whole thing goes.  |
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07-06-2011, 04:36 PM
| #12 |
| MODERATOR   Join Date: Oct 2010 Location: RC Land
Posts: 3,185
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Small tip and lower your pressures you'll be fine. Doesn't matter if you are hooked to something hand-held in size, or tanks the size of your house.... Pressure setting and tip size. Be sure to show us some pics of your work when done! We all love pics!!!!! Sent from my iPhone4 using Tapatalk |
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