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bending galvanized pipe
I have some galvanized sections for a hoop greenhouse which need to be
bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? -- ================================================= Franz Fripplfrappl |
bending galvanized pipe
franz fripplfrappl wrote:
I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? Is this galvanized pipe or thinwall tubing or...? What radius of bend/how long are the tubing sections? Not a lot to work on here for context... -- |
bending galvanized pipe
On Tue, 15 Jul 2008 11:18:38 -0500, dpb wrote:
franz fripplfrappl wrote: I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? Is this galvanized pipe or thinwall tubing or...? What radius of bend/how long are the tubing sections? Not a lot to work on here for context... It's galvanized pipe. Uncertain of gauge. Pipes are 10' in length. As a guess, not sure of radius of bend but would guess 3-6'. -- ================================================= Franz Fripplfrappl |
bending galvanized pipe
franz fripplfrappl wrote:
On Tue, 15 Jul 2008 11:18:38 -0500, dpb wrote: franz fripplfrappl wrote: I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? Is this galvanized pipe or thinwall tubing or...? What radius of bend/how long are the tubing sections? Not a lot to work on here for context... It's galvanized pipe. Uncertain of gauge. Pipes are 10' in length. As a guess, not sure of radius of bend but would guess 3-6'. As in Sch 40 galvanized water pipe, EMT, ... ??? How much takes to bend will be pretty much dependent on what you're trying to bend (as in "doh" :) ). Most homebrew greenhouse sections I've seen have used 1-3/8" galvanized top chain link fence rail which is 18-16(?) gauge. Googling will undoubtedly lead you to many sources for such. OTOH, if you're really talking 2" pipe, that's a lot more serious piece o' work and you'll need a real press and appropriately sized dies. Harbor Freight has a hydraulic press that's stout enough, but it's designed more for making bends (as in corners) rather than the general sweep you'd want for the greenhouse. I suppose w/ some trial and error and practice you might get there, but it would be pretty difficult to duplicate bends that way I think. There are certainly bending presses (mostly roller) that will do it w/ the heavier material but I don't know of any that aren't pretty pricey. I haven't done any searches, but it sends like a much larger piece of stock than required for the application and consequently, more of pita to bend, especially if you really want a smooth radius (which I would presume for the application you would). Sorry I don't have more specific ideas... -- |
bending galvanized pipe
On Tue, 15 Jul 2008 19:24:26 GMT, franz fripplfrappl
wrote: On Tue, 15 Jul 2008 11:18:38 -0500, dpb wrote: franz fripplfrappl wrote: I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? Is this galvanized pipe or thinwall tubing or...? What radius of bend/how long are the tubing sections? Not a lot to work on here for context... It's galvanized pipe. Uncertain of gauge. Pipes are 10' in length. As a guess, not sure of radius of bend but would guess 3-6'. That pipe is overkill, IME. But, you can pitch the roof and use straight pipes ? 2 inch PVC is easier to get the radius...maybe not that big. |
bending galvanized pipe
On Tue, 15 Jul 2008 19:24:26 GMT, franz fripplfrappl
wrote: On Tue, 15 Jul 2008 11:18:38 -0500, dpb wrote: franz fripplfrappl wrote: I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? Is this galvanized pipe or thinwall tubing or...? What radius of bend/how long are the tubing sections? Not a lot to work on here for context... It's galvanized pipe. Uncertain of gauge. Pipes are 10' in length. As a guess, not sure of radius of bend but would guess 3-6'. 2 inch pipe, 10 foot long, six foot radius.......You're going to need a lot of leverage. You better find a way to extend the lever arm. |
bending galvanized pipe
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bending galvanized pipe
on 7/15/2008 10:39 AM franz fripplfrappl said the following:
I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? You're not going to bend that size pipe with anything but a machine made for that purpose. If it galvanized, it is likely a steel or iron pipe. Trying to bend it with any lever arrangement will likely fold the pipe before it bends into any usable curve. It has to be machine rolled into a curve. Try to find a local machine shop that can do it. If you lived near me, I would send you over to "Orange County Choppers" to see one of the Teutuls. They do that all the time. :-) -- Bill In Hamptonburgh, NY To email, remove the double zeroes after @ |
bending galvanized pipe
"franz fripplfrappl" wrote in message ... I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? -- ================================================= Franz Fripplfrappl I think you need to find out what kind of tube ( 2" OD is tube, Pipe is ID until 13" then it's OD) Do you what schedule it is? Are there threaded ends? My thoughts would be to heat it up ( red hot) might not be to good for the galv. Bend around a form, would be hard to do. You might try a metal shop they should have a hydraulic bender. |
bending galvanized pipe
"franz fripplfrappl" wrote in message ... I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? A local contractor tool rental place may have an electrical conduit hydraulic bender available. 2" OD is probably equal to 1.5" trade size. |
bending galvanized pipe
Stop at a local muffler shop. They have the equipment to play the
game. -- ______________________________ Keep the whole world singing . . . . DanG (remove the sevens) "franz fripplfrappl" wrote in message ... I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? -- ================================================= Franz Fripplfrappl |
bending galvanized pipe
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bending galvanized pipe
dpb wrote:
franz fripplfrappl wrote: dpb wrote: franz fripplfrappl wrote: I have some galvanized sections for a hoop greenhouse which need to be bent and/or straightened. The tubing is 2" OD. Any suggestions how to bend or straighten the pipe? ... It's galvanized pipe. Uncertain of gauge. Pipes are 10' in length. As a guess, not sure of radius of bend but would guess 3-6'. As in Sch 40 galvanized water pipe, EMT, ... ??? How much takes to bend will be pretty much dependent on what you're trying to bend... I have 2 14'x96' greenhouses with 1" galvanized water pipe bows on 4' centers. Each bow is a 21' pipe with 3 bends, about 45 degrees, to make a gothic arch with 3 corners. These $800 greenhouse kits came from Schwarz and Sons in Wilmington DE. They sell pipe and noticed that some of their customers were turning their pipe into greenhouses, so they started doing that too. They make the bends by hand, with 2 people and some 2x4 blocks screwed to a large piece of plywood. Most homebrew greenhouse sections I've seen have used 1-3/8" galvanized top chain link fence rail which is 18-16(?) gauge. I use that swedged pipe for roll-up sides. Nick |
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