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  #11  
Old 11-13-2007, 11:21 PM
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randy_m randy_m is offline
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all they are good for is rigid pipe
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  #12  
Old 11-15-2007, 05:58 PM
thebighammer1 thebighammer1 is offline
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any one ever tried filling the tube with steal shoot blasting meadia and plugging it then bending it to see how that works i tried sand that helps
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  #13  
Old 11-16-2007, 02:35 AM
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Dave Lee Dave Lee is offline
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Quote:
Originally Posted by thebighammer1 View Post
any one ever tried filling the tube with steal shoot blasting meadia and plugging it then bending it to see how that works i tried sand that helps
I tried glass beads once because, all the sand I had was too wet. It worked ok.

Although I've never tried it, the director of engineering at a place that I spent most of my working life at, told me that you can also use Cerrobend (SP). It's an alloy with a low melting temperature that you can pour into the area to be bent, filling the space. You make your bends and then, melt it back out when you're done. The stuff has other uses as well. I think I priced the stuff once and it wasn't exactly cheap but, you can use it over and over.

I also remember seeing a trick in Popular Mechanics once, where you insert a close fitting, wooden dowel into the area being bent. The dowel had a series of saw cuts spaced about 1/2" apart and almost through. The tubing being bent was around 3/4" dia. The dowel stays in after the bend so, don't go welding in the bend area.

Dave
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  #14  
Old 11-19-2007, 11:53 AM
DaveD DaveD is offline
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Sounds like you are trying to bend 'tube' with a 'pipe' bender.
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