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Radius corners on magnetics

Gino

Premium Subscriber
I guess if you're doing a high amount of them a day or week, this would be a good idea. In an average week, we might do 3 or 4 sets, so we just cut them with a scissors. We can do 4 corners in about a minute or so.
 

rjssigns

Active Member
I bought a replacement die for a corner rounder then built a table and handle for it. I use it on magnets, coro, foam-core etc...
 
Great responses. Thanks, guys. I'm gonna try penciling out the radius on some scrap magnetic and see how smoothly I can manage to cut them with a scissors. If not, the Martha Stewart punch is pretty much the size I'm looking for, so I may order that and give it a shot.
 

Gino

Premium Subscriber
I think it was 1st grade where they teach you in school how to use a scissors, but my Dad taught me before I went to school.

The main thing to making a smooth radius cut is to just keep a continuous cut going. Don't stop and start over or nothing. That just leaves jagged edges. Look at where your scissors is going and don't look back. Believe it or not, if you screw one up, you can easily sand this stuff on a disc sander or even by hand. It's very forgiving. Seriously, you can't mess it up..... even if you try.
 
http://www.mybinding.com/lassco-wizer-cornerounder-cr-20-corner-cutter.html

Bought one of these last year with a 1/2" die. Love it. Also rounds corners on 3mm omega.


The above Lassco Wizer is what we use at my shop now. .5" .75" 1" and 1.5" radius. Use them all the time on .063 and .080 aluminum never had any issues. Every once and awhile we will do magnet sets for a customer and it also works great for that. New dies are also pretty darn cheap.

Used to have this guy at a old shop that went out of business. How I miss him.

rw-radius-master1.png



This guy could do everything except it cost about $12,000 and $3,000 for a custom die if you don't want all the tiny ones it comes with.
 

thewvsignguy

New Member
We've used a cheap paper cutter for years and produces a nice 1/4" radius on magnetic. They do wear out quick if you do a lot but what do you expect for $6? I do prefer the 1/2" when I can find em'
 

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Logoadv

New Member
Let me introduce you to The Sterling.

Made in the early 1900s by Southworth Machine Co in Portland ME. U.S.A.

Yes. A product made in the USA. It weighs roughly the same as a Hyundai Sonata.

The blade has not been sharpened in the 20+ years our shop has owned it, but the wooden block that it presses down on needs to be replaced every couple years because it will cut through darn near anything. I can only imagine the fingers this has lopped off in sweat shops over the years. I think it was originally used for book binding or something similar. Its really a very cool design. The front arm comes down with a foot on the end to hold the material in place without leaving a mark, then the blade presses down at a slower speed but much greater force. By far the most reliable piece of equipment we own.

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Let me introduce you to The Sterling.

Made in the early 1900s by Southworth Machine Co in Portland ME. U.S.A.

Yes. A product made in the USA. It weighs roughly the same as a Hyundai Sonata.

The blade has not been sharpened in the 20+ years our shop has owned it, but the wooden block that it presses down on needs to be replaced every couple years because it will cut through darn near anything. I can only imagine the fingers this has lopped off in sweat shops over the years. I think it was originally used for book binding or something similar. Its really a very cool design. The front arm comes down with a foot on the end to hold the material in place without leaving a mark, then the blade presses down at a slower speed but much greater force. By far the most reliable piece of equipment we own.

attachment.php


I really like this. It would be nice if there was a foot to hold the aluminum down on our lassco. Very cool
 

Tony McD

New Member
I don't do a lot of magnets, so one of the cheapo rounders in the craft section at walmart works pretty good for me.
Wear it out...just get another.
Haven't tried it on anything other than magnets, don't think it would cut it :)
 
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