Case Study Solutions Opening Drill® Case Study: Industry: Part: Material: Item: Depth: Diameter: 6504 Oil & Gas/Petrochemical Petro Compressor Pumps Cast Iron 3.25” 4.50” OP4-1S-SS2.0 Allied Machine Solution Opening Drill® • 449 RPM • Number of passes = 1 • Cycle time = 4 minutes Previous Tooling Boring Bar • Enlarging of the hole required 2.37” (60.2mm) removal on diameter • Number of passes = 11 • Cycle time = 30 minutes The Advantages The Opening Drill delivered impressive chip formation and significantly improved the overall process. • Reduced the required number of passes from 11 to just 1 • Reduced cycle time by 86.7% The Challenge The customer manufactures petroleum compressor pumps from Cast Iron (220 Bhn). They are using a 40 HP lathe with 50 PSI through tool coolant

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