Corner rounder?

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Corner rounder? mkr5000 05-07-2008
Posted by The Davenport's on May 7, 2008, 5:51 pm
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>> I believe that there is- Roper Whitney makes a tool, which I have
>> wanted for years, called a Radius Master.
>> It is a corner rounder for sheet
>> metal.http://www.braunerequipment.com/f_prod_detail.aspx?id=190
>> It has different radius dies, so the one machine can do everything
>> from 1/8" to 1" radiused corners, with up to 3" dies available on
>> special order.
>> It is hideously expensive- which is one reason you probably have never
>> seen one.
>> I have never seen one used, and I doubt they sold very many new.
>> I believe they are close to 5 grand new, now.
>
>
> Starts at $6400 bucks. Great price if you're going to be using it
> every day!
>
> http://www.ajmachineryonline.com/911radiusmaster-p-4326.html
>
> Dave

The dude didn't ask for a CHEAP way to do it, just to do it.

:>

Mike



Posted by Don Young on May 7, 2008, 10:50 pm
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>I believe that there is- Roper Whitney makes a tool, which I have
> wanted for years, called a Radius Master.
> It is a corner rounder for sheet metal.
> http://www.braunerequipment.com/f_prod_detail.aspx?id=190
> It has different radius dies, so the one machine can do everything
> from 1/8" to 1" radiused corners, with up to 3" dies available on
> special order.
> It is hideously expensive- which is one reason you probably have never
> seen one.
> I have never seen one used, and I doubt they sold very many new.
> I believe they are close to 5 grand new, now.
>
>
I have an old 24" DiAcro "Radius Brake" which has interchangeable bars for
bending sheet metal in a smooth curve at a specific radius. It must not have
been very popular as I see little reference to it and have found no
literature on it.

Don Young



Posted by mkr5000 on May 8, 2008, 8:51 am
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I wonder why these haven't been readily available? It wouldn't be a
difficult tool to make -- heck they make them for paper and thin metal
like the Lassco.

It could be constructed like a corner notcher but obviously to create
a convex round.

A tool and die selection for several sizes.

Oh well -- thanks -- I needed to ask.

Posted by Spehro Pefhany on May 8, 2008, 9:30 am
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wrote:

>I wonder why these haven't been readily available? It wouldn't be a
>difficult tool to make -- heck they make them for paper and thin metal
>like the Lassco.
>
>It could be constructed like a corner notcher but obviously to create
>a convex round.
>
>A tool and die selection for several sizes.
>
>Oh well -- thanks -- I needed to ask.

I would think that a modern CNC punching machine (eg. Amada) would
typically be equipped with such dies.

Maybe that's what these "cruciform" dies are used for..

http://www.famequipment.com/cmsimages/ASTATIONRECBSTATIONSPECIAL%20058.jpg

anyone know for sure? I've not had a chance yet to play with such a
machine.
Best regards,
Spehro Pefhany
--
"it's the network..." "The Journey is the reward"
speff@interlog.com Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.com

Posted by Shawn on May 7, 2008, 9:07 pm
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> Is there such an animal as a corner rounder for metals? Something
> that could handle at least an 062 5052 aluminum?
>
> I have a lot of bench equipment but I've never seen a rounder.
>
> Roper, Diacro, etc?
>

The sign industry uses these.

http://www.machinerunner.com/ManualPaperCornerRoundingMachines/LasscoCR-60.html

Probably around $700 but will do .080 aluminum.

Shawn



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