Quote Originally Posted by Doddy View Post
Cutting air is very cheap, and a good way to play with the machine. ESPECIALLY whilst you have noise in the system.
Plus one for cutting air
Another option is to cut insulation foam board it’s normally in 50mm thick prices cuts with a bread knife and machines good enough to see what you have cut and measure it reasonably accurately but if the shit hits the fan it’s normally soft enough to not break the cutter

I’ve seen 5axis machines at work cut a block of foam for 20 hours or more before the cutter is introduces to a £20k worth of titanium billet

Paul


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