Quote:
Originally Posted by Apricot Slice
Anyone know what gives the cleanest cut on laminates. Maybe a tungsten carbide straight flute cutter?
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The cleanest cut will be with diamond cutters if you have them, but only of use if you are doing a production run. A tungsten carbide straight two flute cutter is perfect for the job and gives a clean edge, and will cut for some time before wearing out. Any sort of spiral flute will just rip the edges of the fibreglass. Use a fairly fast feed as too slow and the grp can edges burn.
Cooling is not absolutely essential. Ideally you use air for cooling, but that throws the fibreglass shards into the air and not good at all for your lungs. Water cooling helps preserve the cutters.