CNC aluminium milling test

Test aluminium milling with my cnc mill. G-code is generated in Siemens NX7,5 cnc-software; EdingCNC Milling parameters: Trochoidal roughing with 8mm HSS balnose, 12000rpm, depth 1mm, feed 1500mm/min, finishing, 5mm HSS ballnose, 9000rpm, feed 1000mm/min, contour, 6mm carbide end mill, 12000rpm, depth 1,5mm, feed 500mm/min total time 1h 02min