New to cnc cutting and i keep on breaking my bits
Need help on cutting pvc board
Bits im using 1/8" single flute Spiral Bit
18mm pvc board
Tired 3000/6000/9000/12000/15000/18000 rpm
And 600mm per sec to 1000mm per sec
Anyone can enlighten me about how much rpm and speed i need to use?
Thanks