Dresser apparatus for dressing a grinding wheel

A dresser apparatus for dressing a grinding wheel, the apparatus comprising:

• a dresser cradle unit for holding a dresser roll mounted on a mandrel, wherein the dresser cradle unit comprises an air intake, and a dresser housing defining an interior space for housing the dresser roll mounted on the mandrel, the dresser housing comprising a first wall and a second wall opposing the first wall and spaced from the first wall to define a width for the mandrel to extend across, wherein the dresser housing comprises an opening to enable the grinding wheel to be brought into contact with a portion of the dresser roll, and
• a rotary drive for driving the dresser roll;
• a support for holding the dresser cradle unit in engagement with the rotary drive;
• and
• an air supply outlet;
• wherein the dresser cradle unit is removable as a unit from the rotary drive;
• and
• wherein seating the dresser cradle unit on the support positions the air intake for connection with the air supply outlet.