Check the Raw Material as per operation sketch. Required Raw Material size 505 x 300 GF x 12  thk. Load the fixture (18-277A-JF01) on zero point system, Straight dial front machined face, Then clamp it by M12 (B) bolts.  Dial &#8709;10H7 Hole (C) in Fixture center and Make it  X0 Y0  Then take Z0 at Raw Material Butting face, As per sketch. First Hold the Raw Material in Vacuum Do the Facing. Second reverse the part and Hold the part in Vacuum, Do the Facing, Drill and Counter bore (M6 Bolts-A) for part clamping. Then apply clamping M6 bolts (A).Run the programs as per Datasheet. 