multimatic i/e cnc has been designed for the simultaneous grinding of bores, shoulders and external diameters and is particularly suitable for grinding big lots of pieces. the wheel carriages slide on preloaded hardened g......multimatic i/e cnc has been designed for the simultaneous grinding of bores, shoulders and external diameters and is particularly suitable for grinding big lots of pieces. the wheel carriages slide on preloaded hardened guideways, with needle bearing interposition and the movement of the axes, by means of brushless motors, is transmitted by high precision ball screws. the internal grinding unit, with two cnc controlled axes, can carry out a number of grinding operations: internal diameters and/or shoulders, plunge cycles with cnc dressed wheels, etc. the external grinding unit is equipped with two cnc controlled working axes, at an angle to each other.