MATSUURA MX520 2016 G-Tech 31i (fanuc) Cutting time : 6714 H Spinde rpm : 20000 rpm MATSUURA MX520 2011 G-Tech 31i (fanuc) Cutting time : 19288 H Spinde rpm : 12000 MATSUURA MX850 2016 G-Tech 31i (fanuc) Cutting time : 11023 H Spinde rpm : 12000