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Posted by GeneT on June 29, 2008, 11:51 am
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Hello all, I am planning a project that requires a 13 inch square
piece of sheetmetal to have one inch on all 4 sides bent 90 degrees,
so that it forms a 12 inch square pan with 4 one inch high sides, I'd
like to use a brake to do this and I can see being able to bend the
first two opposite sides, but how would I bend the adjacent sides?
Thanks in advance for your input,
Gene
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Posted by GeneT on June 29, 2008, 11:55 am
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> Hello all, I am planning a project that requires a 13 inch square
> piece of sheetmetal to have one inch on all 4 sides bent 90 degrees,
> so that it forms a 12 inch square pan with 4 one inch high sides, I'd
> like to use a brake to do this and I can see being able to bend the
> first two opposite sides, but how would I bend the adjacent sides?
> Thanks in advance for your input,
> Gene
OOOOPS, I meant 1/2 inch high sides.....
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Posted by Jim Wilkins on June 29, 2008, 12:22 pm
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> > Hello all, I am planning a project that requires a 13 inch square
> > piece of sheetmetal to have one inch on all 4 sides =A0 bent 90 degrees,=
> > so that it forms a 12 inch square pan with 4 one inch high sides, =A0I'd=
> > like to use a brake to do this and I can see being able to bend the
> > first two opposite sides, but how would I bend the adjacent sides?
> > Thanks in advance for your input,
> > Gene
>
> OOOOPS, I meant 1/2 inch high sides.....
You might be able to raise the clamping leaf enough to put a 12" piece
of bar or key stock under it at the bend line. I built a brake this
month with the clamp easily removeable so I can use scrap steel blocks
and deep-throat welding clamps to fold up special boxes.
Crease the two difficult edges to start a sharp corner, bend the other
two completely, finish by clamping the box between blocks and bending
with a rubber hammer. I've been bending the sill corners of aluminum
window trim this way using cheap 1-2-3 blocks.
The 3-in-1 combo sheet metal machines allow you to move the fingers
around to bend a box. A real finger brake is wonderful if you can find
an affordable one and have the room.
Jim Wilkins
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Posted by Ned Simmons on June 29, 2008, 12:12 pm
Please log in for more thread options wrote:
>Hello all, I am planning a project that requires a 13 inch square
>piece of sheetmetal to have one inch on all 4 sides bent 90 degrees,
>so that it forms a 12 inch square pan with 4 one inch high sides, I'd
>like to use a brake to do this and I can see being able to bend the
>first two opposite sides, but how would I bend the adjacent sides?
>Thanks in advance for your input,
>Gene
Box and pan brake...
http://www.tpub.com/content/aviation/14018/css/14018_536.htm
--
Ned Simmons
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Posted by Steve W. on June 29, 2008, 2:11 pm
Please log in for more thread options GeneT wrote:
> Hello all, I am planning a project that requires a 13 inch square
> piece of sheetmetal to have one inch on all 4 sides bent 90 degrees,
> so that it forms a 12 inch square pan with 4 one inch high sides, I'd
> like to use a brake to do this and I can see being able to bend the
> first two opposite sides, but how would I bend the adjacent sides?
> Thanks in advance for your input,
> Gene
How many would you need? The multi use machines have removable fingers
for this. Or a vice and a couple pieces of angle and a rawhide mallet
would work as well.
If your using thin sheet you could also make a simple brake by cutting
two slots for the edge bends in the bending die on a small brake.
--
Steve W.
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> piece of sheetmetal to have one inch on all 4 sides bent 90 degrees,
> so that it forms a 12 inch square pan with 4 one inch high sides, I'd
> like to use a brake to do this and I can see being able to bend the
> first two opposite sides, but how would I bend the adjacent sides?
> Thanks in advance for your input,
> Gene