With three automatic axles and upper and lower servo system (DeltafromTaiwan), it is fitted with worm gear to connect the P3 high-precision ball screw. With stable and reliable precision, it could realizea min. amount of feeding of 0.001mm. A 4"text screen is alsodesigned to obser ve display directly and conveniently. Automatic andunattended grinding can be realized after setting parameters andaudio and video pr ompts will be given when work is c ompleted.