This is topic Cutting coro-plas with CNC Router??? in forum Letterhead/Pinstriper Talk at The Letterville BullBoard.


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Posted by Bryan Quebodeaux (Member # 48) on :
 
I have the opportunity to supply a customer with several hundred 7" x 22" screen printed signs. The problem I am facing is that the signs will need to be shaped...a rectangle with a point on one end. It's too many to hand cut and not enough to justify die charges (that I'm aware of). Has anyone had success in cleanly cutting 4mm coroplas with their CNC using a specific router bit or by using a specific blade for plotting the blanks? I am using a Gerber 408. Any suggestions will be appreciated very much!
 
Posted by William DeBekker (Member # 3848) on :
 
I have had real good luck using Onsrud and Centurion O-Flutes at 8 ips 5 sheets at a time at 18000 rpm.

Use a new bit older bits will leave dingleberrys.

https://www.centuriontools.com/index.html?cart=125936136410060689
 
Posted by Ian Stewart-Koster (Member # 3500) on :
 
That's fast- how do you hold them down, Bill?
 
Posted by William DeBekker (Member # 3848) on :
 
Spring Clamps and ill hold the shape down with a dowel/stick or whatever I find...

Or I'll leave about a 1/2 bridge at the end and just cut them out with a knife

[ December 30, 2009, 05:42 PM: Message edited by: William DeBekker ]
 
Posted by Tony Lucero (Member # 1470) on :
 
Bryan, if you try Bill's method on your Gerber please post how it works out. We've got a Sabre 404 and would like to rout coroplast on occasion.
 


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