Case Study Solutions Opening Drill® Case Study: Industry: Part: Material: Holder: Insert: Depth: Diameter: 6511 Renewable Energy/Energy Turbine Components Chrome Molly Alloy Steel 3.5" (88.9 mm) 8" (203.2 mm) OP-05T308-H OP3-1L-BT50 Allied Machine Solution Opening Drill® • 500 RPM • 0.005 IPR (0.127 mm/rev) • 2.5 IPM (63.5 mm/min) • Cycle time = 1 hour and 29.6 minutes • Cost per hole = $18.25 Previous Tooling Kennametal Boring Bars • 500 RPM • 0.005 IPR (0.127 mm/rev) • 2.5 IPM (63.5 mm/min) • Cycle time = 2 hours and 59 minutes • Cost perhole = $30.89 The Advantages Not only did the Opening Drill decrease the cycle time to meet the delivery schedule, it also greatly reduced the cost per hole. • Decreased cycle time by 50% • Overall cost savings = 41% The Challenge The cust

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