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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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24" shear
Im quoting on a 24" shear die for high speed cutting plastic labels
minimum .004" thick. Im thinking of trying to maintain a clearance of ..0005" or less over a length of 24". Im trying to avoid the blades from touching one another. Anyone here had experience designing & building one of these? Input appreciated. thanx jerry |
#2
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wrote in message oups.com... Im quoting on a 24" shear die for high speed cutting plastic labels minimum .004" thick. Im thinking of trying to maintain a clearance of .0005" or less over a length of 24". Im trying to avoid the blades from touching one another. Anyone here had experience designing & building one of these? Input appreciated. thanx jerry How many layers at a time? How fast? Why no-touch? |
#3
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Is this a rotary die or literally a shear?
Nick On Thu, 11 Aug 2005 03:57:14 -0700, wrote: Im quoting on a 24" shear die for high speed cutting plastic labels minimum .004" thick. Im thinking of trying to maintain a clearance of .0005" or less over a length of 24". Im trying to avoid the blades from touching one another. Anyone here had experience designing & building one of these? Input appreciated. thanx jerry |
#4
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1 or 2 layers ata time looks to be 100 cuts/
minute no touch=no blade gallingor side wear |
#6
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Well, not too fast or too much to cut. I just can't see you maintaining the
clearance and getting a good cut. How about making the blades cheap enough to negate wear or TiN coat them. wrote in message ps.com... 1 or 2 layers ata time looks to be 100 cuts/ minute no touch=no blade gallingor side wear |
#8
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Buy a set of Kuttrimmer blades. They are wicked sharp and about a
hundred bucks. Kinda like a paper cutter on steroids. I have cut hundreds of thousands of labels and overlays with accuracies to .003" in plastics and foils up .020" thickness. |
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