Excerpt from Expert System rules developed for generation of operation sequences

• IF Diameter is 3-100 mm AND Tolerance is 0.08-0.4 mm AND Surface finish is 1.6-9.5 µm THEN Drilling is recommended
• IF Diameter is 10-100 AND Tolerance is 0.013-0.08 mm AND Surface finish is 0.5-2.4 µm THEN Reaming is recommended
• IF Diameter is 19-300 AND Tolerance is 0.025-0.13 mm AND Surface finish is 0.4-6.3 µm THEN Boring is recommended
• IF Diameter is 25-300 AND Tolerance is 0.004-0.02 mm AND Surface finish is 0.1-1.6 µm THEN Grinding(Internal) is recommended
• IF Diameter is 5-100 AND Tolerance is 0.03-0.087 mm AND Surface finish is 0. 4-9 µm THEN Turning/grooving is recommended
• IF Diameter is 5-100 AND Tolerance is 0.012-0.035 mm AND Surface finish is 0.07-1.6 µm THEN Grinding (External) is recommended.