Friday, October 23, 2009

Rackufacture: Torch Stand

Last night was supposed to be about brazing up a coupla more tubes and then doing some destructive testing. But what the first joints taught me really quick was that I need a place to set my torch without turning it off if I'm ever gonna get anything done. So I was gonna throw something super quick and dirty together, but then it ended up taking on a life of its own. My first project, I guess.

My friend Tracy at work, who's done tons of frame brazing, took a look at the work I had done the other night and helped me out with some suggestions. The one with far and away the biggest impact was that I was using a tip that was way too big - a #3. So I was able swing past Sears on my way home and find a #1. Not much different to look at, but huge difference in the amount of heat it puts out - much less, making it easier to control.



Another problem that's pretty evident is that my vice is tearing up parts. I have some wooden clamp shoes around somewhere that I made a long time ago, but they're clumsy and don't work very well, so I made these out of sheet aluminum. Totally and shamelessly stole this idea from Alistair. I'm a big league idea thief these days.





First chance to use the new benders . . .



Cutting out the u-tubes. Lite beer, yeah, I know. Cut me some slack here, will ya? I'm getting nickled and dimed to death with things like torch tips and all kinds of other krap. I need to balance the budget.



Fab sequence . . .







First shot at removing flux . . .



First shot at some finish work . . .



Finished product . . .



Works like a champ . . .



Getting a little closer to an actual rack. Baby steps, man, baby steps.

5 comments:

  1. I'm really glad you are taking the time to document the early stuff. I'm also impressed with the results so far. Great work.

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  2. I'm enjoying the progress. I would've burned the garage down by now. Something about plaing with flame 'n' stuff.

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  3. Well thanks, Jeff. I've been a little on the fence about whether to post this stuff 'cause it's so awful-boring to most. I'll keep at it til someone slaps me.

    Hank, as long as you keep the flames manageable, it's cool.

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  4. I like the bench mount torch stand. My free standing one is nice because I can move it around, but sometimes it just gets in the way.

    I agree that using a smaller tip will help out your brazing. At my house we were using a Victor #1 tip. I actually want to pick up a #0 at some point. I occasionally use my #3, but not on racks.

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  5. Alex, the #1 tip has been a great help, but I think I need to go to a #0. Tried to find one in town yesterday, but no luck - I'll have to go online. I use the Harris-style tips and when I looked on their website, I was surprised to see that they recommend 1 psi gas pressure for both gasses. I've been playing with pressure a bit, but nothing that low. Hmmm.

    http://www.harrisproductsgroup.com/equipment/cuttingtips.asp?ID=5090

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