It mantains the main structure of the OTTOFLEX composed with: BASE – TABLE – Z AXIS ASSEMBLY GRINDING WHEEL CARRIAGE – WHEELHEAD – X AXIS but it is different having: Siemens linear motor on X axis, wheelhead stroke Wheelhead spindle on hydrostatic supports A1 axis, NC control of the peripheral speed of the wheel.Workhead with dead and alive center and faceplat on hydrostatic supports .C1 axis, NC control of the peripheral speed of workpiece for interpolation with X axis.Siemens SINUMERIK S802 D Numerical Control