... 240m/min 4. Small burr silicon steel cut-to-length line, full automatic, produce core pieces in different shape and length ... , with hole punch and notches.I Main features of the line 1) High precision grating inspection, Siemens servo motor and ... , mmLess than 0.029Punching burr height, mmLess than 0.0310Life of cutting/punching tools, timesMore than 1 million (each grinding)11Stacking ...