our machines achieve the highest standards of accuracy, rotors can be milled to a roughed or semi-finished state, then finish ground on our helical grinders. these use on-machine probing to provide closed-loop feedback of......our machines achieve the highest standards of accuracy, rotors can be milled to a roughed or semi-finished state, then finish ground on our helical grinders. these use on-machine probing to provide closed-loop feedback of corrections to the wheel dresser. this process is automated and does not require a high level of operator skill. the result is extremely accurate profiles. our machines are equipped with chucking and workholding options that complement quick change tooling for accelerated set-up. a special 3d measurement and correction probe optimises production efficiency by maximising accuracy and improving production rates, removing the need for off-machine inspection. as a result, parts can be placed in the machine, accurately ground and then measured, and any deviations automatically corrected before completion of the cycle.