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  #11  
Old 10-29-2017, 11:19 AM
John Buchtenkirch John Buchtenkirch is offline
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Or you could just do it the "California Metal Shaping" way. Multipul passes with an adjustable wrench, every pass bends it another 15 or 20 degrees. You can do curved flanges up to 5/16” to 3/8” wide without to much problem. Thanks Scott . ~ John Buchtenkirch
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  #12  
Old 10-29-2017, 06:01 PM
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Steve Hamilton Steve Hamilton is offline
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Your welcome guys
John I have used your method, but for this small radius my wrench was way to wide , that is why I chose the vise grip needle nose.

Another thought on the linear stretch of the flange, if you don't have a steel table with with a nice sharp edge, you can put a dolly or block of steel on your shot bag and you don't need to clamp it.

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Guess I got lucky, did not trim. the flange and got the 1/4 inch flange perfect!
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The surface is still rough, but would planishing out nicely by using hammer or slapped/ flipper with a contact surface that matches the flange.
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More coming

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  #13  
Old 10-29-2017, 09:55 PM
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The rest of the panel was then formed starting with the straight bends to the left and right of the flanged hole. I Used a leaf break and then a shrinker to put the arch in the left side of the panel. The stretcher to put the arc in the other side.

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The second bend on the left was able to be made with the leaf break, it went through the flange at the top. Next step was to set a tip line for the flange around the top. I think I did that with a standard jaw vicegrip pliers. Stretching a shrinking were required to get the flange completed. The flange is less than 90 degrees to match the shape of the quarter panel.
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More to com

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Last edited by Steve Hamilton; 11-01-2017 at 06:21 PM.
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  #14  
Old 10-30-2017, 07:53 AM
Mike Motage Mike Motage is offline
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Steve, would using a tipping wheel to define the outline of turned edge help? Or is that the wrong application? I haven't tried tipping those yet, but the thought just hit me.
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Old 10-30-2017, 09:14 AM
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Mike
A tipping wheel would work great if the wheel dia. Is small enough to follow a tight corner.
My wheels are both too large 3 and 4 inch. I need to get or make a couple smaller dia. For tipping small radius flanges. That would have also worked to set the line for the oval hole.
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  #16  
Old 10-30-2017, 11:25 PM
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Joe Hartson Joe Hartson is offline
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Steve, you are doing a great job on the corvette part. The following might help in making the part.

Die for making a flanged hole. You can make the die any size you need.
Female die.


Male die.


Sample,




Flattener die for a bear roller



Sample,





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  #17  
Old 10-31-2017, 01:29 AM
Ron Naida Ron Naida is offline
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I had a flange to tip in on this radiator header but it needed
clearance to swing. Hence the curved cut out to get the 90 degree
tip up.
Your work is looking good Steve
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  #18  
Old 10-31-2017, 06:27 AM
route56wingnut route56wingnut is offline
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Quote:
Originally Posted by Steve Hamilton View Post
Mike
A tipping wheel would work great if the wheel dia. Is small enough to follow a tight corner.
My wheels are both too large 3 and 4 inch. I need to get or make a couple smaller dia. For tipping small radius flanges. That would have also worked to set the line for the oval hole.
How about a chisel die on the Pullmax to thin the line or define as Mike refered . It will always want to bend at that point and wakes a nice radius
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  #19  
Old 10-31-2017, 08:33 AM
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Steve Hamilton Steve Hamilton is offline
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Thanks for all the additional methods to form a flange. As they say more than one way to skin a cat.
Dan
I would have had to make a small tool that would work for a 1 inch radius circle, and either hand feed the panel or spend time to make some kind of guide to follow.

I used the tools that were already in the drawer, and I got the job done !
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  #20  
Old 10-31-2017, 09:02 AM
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Kerry Pinkerton Kerry Pinkerton is offline
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Quote:
Originally Posted by Steve Hamilton View Post
...I used the tools that were already in the drawer, and I got the job done !
Yes you did!
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