... Automatic operation; 3) Milling, drilling, tapping etc. Features:1)Worktable auto-feeding in X,Y Axis; 2)Spindle speed step-changed ... cyclically and spindle auto-feeding and cyclic change of feeding speed; 3)milling,drilling ... of headstock (perpendicular)±90 degreesAuto-feeding step of spindle(longitudinal/cross)6Auto-feeding amout of worktable24,35,49,73,104,145mm ...