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jgswartout(at)gmail.com
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 Posted: Sat Dec 26, 2009 6:09 pm Post subject: Bending Extruded Angle? |
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Does anyone know what kind of shop would have a tool that would put a nice smooth 4-foot radius bend 14" long into a piece of extruded angle 6061-T6, 1.25" x 0.75" x 0.125t, with the bend stretching the outer edge of the 0.75 flange? This is aluminum angle with the radiused inner corner.
I can probably do it with a grooved hardwood form and a rubber mallet, but I'd gladly pay somebody to do it for me that could assure perfect results the first time.
John
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ch701builder(at)yahoo.com
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| Posted: Sun Dec 27, 2009 6:10 am Post subject: Bending Extruded Angle? |
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Boy John,
Tough one. I have see some guys bend some angle, using the hardwood form and some pipe clamps.(do a Google search for pipe clamps). You clamp the starting point of the bend, and then slowly work your way along the radius bend until you have your 14". That would be a trial-and-error thing for me.
Good luck,
Keith
CH701 - scratch
N 38.9940
W 105.1305
Alt. 9,100'
**********************************************************
From: John Swartout <jgswartout(at)gmail.com>
To: zenith701801-list(at)matronics.com
Sent: Sat, December 26, 2009 7:06:44 PM
Subject: Bending Extruded Angle?
Does anyone know what kind of shop would have a tool that would put a nice smooth 4-foot radius bend 14" long into a piece of extruded angle 6061-T6, 1.25" x 0.75" x 0.125t, with the bend stretching the outer edge of the 0.75 flange? This is aluminum angle with the radiused inner corner.
I can probably do it with a grooved hardwood form and a rubber mallet, but I'd gladly pay somebody to do it for me that could assure perfect results the first time.
John
[quote]
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jgswartout(at)gmail.com
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| Posted: Sun Dec 27, 2009 6:54 am Post subject: Bending Extruded Angle? |
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You said the evil words, Keith, "trial and error." I got usable results on an 18" piece of 3/4 x 3/4 x 0.090 just clamping it in the vise and manhandling it a little at a time, but this time I want to bend the last 14" of two 6.5-foot pieces, and that stuff is expensive. I just ordered some shorter pieces to practice on in case I couldn't find someone who is equipped to do it right the first time, but I'd rather not do trial and error.
John
On Sun, Dec 27, 2009 at 9:09 AM, Keith Ashcraft <ch701builder(at)yahoo.com (ch701builder(at)yahoo.com)> wrote:
[quote] Boy John,
Tough one. I have see some guys bend some angle, using the hardwood form and some pipe clamps.(do a Google search for pipe clamps). You clamp the starting point of the bend, and then slowly work your way along the radius bend until you have your 14". That would be a trial-and-error thing for me.
Good luck,
Keith
CH701 - scratch
N 38.9940
W 105.1305
Alt. 9,100'
**********************************************************
From: John Swartout <jgswartout(at)gmail.com (jgswartout(at)gmail.com)>
To: zenith701801-list(at)matronics.com (zenith701801-list(at)matronics.com)
Sent: Sat, December 26, 2009 7:06:44 PM
Subject: Zenith701801-List: Bending Extruded Angle?
Does anyone know what kind of shop would have a tool that would put a nice smooth 4-foot radius bend 14" long into a piece of extruded angle 6061-T6, 1.25" x 0.75" x 0.125t, with the bend stretching the outer edge of the 0.75 flange? This is aluminum angle with the radiused inner corner.
I can probably do it with a grooved hardwood form and a rubber mallet, but I'd gladly pay somebody to do it for me that could assure perfect results the first time.
John
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blackmore(at)platinum.ca
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| Posted: Sun Dec 27, 2009 11:02 am Post subject: Bending Extruded Angle? |
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Go to a tin basher....'Heating people', they do it all the time, Or go to a sale and look for a
Chris
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Ron Lendon
Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI
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jgswartout(at)gmail.com
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| Posted: Mon Dec 28, 2009 12:48 am Post subject: Bending Extruded Angle? |
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Aha! The arbor press! I like it. But, I don't own one. Might be able to simulate one though. I live about 260 miles from you. If all else fails, I'll drop you a line and plan a trip. Thanks, Ron.
John
CH-801 90% done.
On Sun, Dec 27, 2009 at 11:39 PM, Ron Lendon <rlendon(at)comcast.net (rlendon(at)comcast.net)> wrote:
[quote]--> Zenith701801-List message posted by: "Ron Lendon" <rlendon(at)comcast.net (rlendon(at)comcast.net)>
It really doesn't need to be trial and error. If you control to process and keep the bending between the tangent lines, you just sneak up on it. The extruded angles will need to be bent and flattened as you go along.
Here is a link of a setup I used to bend the upper longerons on my XL.
http://mykitlog.com/users/display_log.php?user=rlendon&project=113&category=4167&log=81730&row=54
If you are anywhere near me I can probably do this for you in a couple of hours.
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder 
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
http://home.comcast.net/~rlendon/site/
Read this topic online here:
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jgswartout(at)gmail.com
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| Posted: Mon Dec 28, 2009 12:51 am Post subject: Bending Extruded Angle? |
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Look for a what?
I'll ask around, see if I can find a heating person that's done it. Thanks.
John
Do not archive.
On Sun, Dec 27, 2009 at 2:01 PM, Chris Blackmore <blackmore(at)platinum.ca (blackmore(at)platinum.ca)> wrote:
[quote] Go to a tin basher....'Heating people', they do it all the time, Or go to a sale and look for a
Chris
[i]----
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blackmore(at)platinum.ca
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| Posted: Mon Dec 28, 2009 6:30 am Post subject: Bending Extruded Angle? |
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John
Just read a page where the person took a piece of wood, cut a notch,cut the angle required plus some???? Lots of grease and just bend( I presume this means hammering with a soft hammer?)!! Or I wonder if just pulling it like an English wheel!
Chris
[i]----
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