single piece, box structure design machine bed made of dose grained graded cast iron. rigid universal work head with infinitely variable speed cnc controlled constant surface speed of work piece offered as standard featur......single piece, box structure design machine bed made of dose grained graded cast iron. rigid universal work head with infinitely variable speed cnc controlled constant surface speed of work piece offered as standard feature .high powered grinding wheel head equipped with separate oil filtration / recirculation unit both straight and angular wheel configuration available