Siwei powerful cnc machining center:Taiwan circular auto tool change system,standard configured 8 pcs tools,10,12pcs as optional 1. Technical Data of SIWEI powerful cnc maching center ModelSG1325H Working Size1300X2500X300mm Spindle MotorItaly high power ATC spindle motor (Colombo, ELTE, HSD optional) Motion Speed50m/minProcessing Speed28m/min Spindle Rotation Speed0-18000RPM Tools¢3.175mm, ¢4mm, ...