[Shop-talk] making radiused corners on sheet metal

[Pat Horne]

Steve,

If you have a lot of corners to round there is a small punch press that 
was designed for cardboard and paper that my father used for years to 
round .032 and .040 aluminum. As I recall it was called a "Corner 
Rounder" He was rounding corners with about .1" radius, but it had 
interchangeable cutters for larger radii.

I just did a search for "corner rounder" and the first hit was for a 
Lasco corner rounder similar to what dad used. It was $147 for the whole 
tool and replacement punch sets were just under $100. You should be able 
to find something cheaper used.

Peace,
Pat

Thusly spake Steve Hammatt Mount Vernon WA USA, On 3/24/2009 7:23 PM:
> I'm soon going to be making some rectangular pieces of .040 aluminum 
> sheet and I'll need to radius the corners.  I'm at a loss for what to 
> call the tool that can nip-off the corners.  Can anyone give me a hint 
> on the name or possible source for the tool?
> Thanks
>
> Steve Hammatt
> Mount Vernon WA USA
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Pat Horne, Owner, Horne Systems 
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Pat at HorneSystemsTx.com	Lockhart, TX 78644-4443
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