Accurate cutting of cloth. Knife vs. Rotary

Nichols nicho@zianet.com
Mon, 19 Sep 2005 07:54:36 -0600


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At 01:57 PM 9/19/2005 +0100, you wrote:
>Now that's what I call interesting, Alan. I'm putting my reply on the List:
>In "principle" the "rotary" cutter should be kinder than the knife, there
>being a continuous "guillotine" action rather than a "dragging" action as in
>the knife. Any comments out there on the List?
>Regards,
>Michael G.(UK)

"Drag" is a function of friction. Sharp blade (like disposable razor blade) 
will cut better than dull blade, no matter what the shape. Unless..... it's 
a pinching action. Take a piece of your cloth to a supplier of upholstery 
stuff. Ask to borrow a pair of their finest upholstery shears. Give them a 
try and see what you think. At 10" or more, you can get a pretty long 
"bite", and when sharp, those puppies work very well. Just draw a line and 
use your calibrated eyeball.

Fun and Games,
Guy Nichols, RPT
Ft. Stinkin' Desert, NM


"Ignore all the rumors that southern New Mexico is the prettiest place in 
the world, especially this time of year. Stay away"
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