Advice for cutting foamex with CNC
Hi, can anyone give me a few pointers regarding what bit, speed, etc to use when cutting foamex (foam board). Currently using a 4mm down cut end mill at 10,000rpm and cutting .3mm deeper than the board. Getting lots of furry edges which are a pain to remove. Is there any way to do this cleanly or is it just the nature of the beast?
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