Case Study Solutions ALVAN Reamer Cutting Ring Style Case Study: Industry: Part: Material: 9905 Automotive Steering Knuckles Ductile Cast Iron Allied Machine Solution ALVAN Reamer & EcoCut • Holes #1 and #2 (EcoCut tooling) • Core • 500 SFM • .008 IPR • Bore • 300 SFM • .003 IPR • Chamfer 500 SFM • 500 SFM • .006 IPR • Hole #3 (ALVAN Reamer) • 200 SFM • .010 IPR • 180 SFM • .059 IPR Previous Tooling Multiple Tool Process • Holes #1 and #2 (EcoCut tooling) • Core drill • Twin bore • Single point bore • Chamfer • Hole #3 • Core drill • End mill • Twin bore • Single point bore

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