Pregrinding of my HBM U3 spindle-cone with CBN B124 on my Aciera F5. <br />The grinding-wheel is not shaking, this is because of the anti-shake-filter of the video-correction-software. <br /> <br />Vorschleifen des Spindelkonus meiner (eigentlich neuen^^) HBM U3 Stichelschleifmaschine mit einer B124 CBN-Scheibe auf meiner Aciera F5