Case Study Solutions Opening Drill® & Revolution Drill® Case Study: Industry: Part: Material: Holder: Insert: Depth: Diameter: 6513 Heavy Equiptment Weldments A36 Steel Plates 4.02" 4" deep thru-hole OP-05T308-H 070821-12 Allied Machine Solution Opening Drill® & Revolution Drill® Revolution Drill • 700 SFM • .004 IPR • 4.3 IPM Opening Drill • 800 SFM • .005 IPR • 3.8 IPM Overall cycle time = 2 minutes Previous Tooling Tools Attempted • Twist drills • Spade drills • Indexable end mills • Finish bore tools (to circle interpolate and finish bore) • Cycle time = 35 minutes The Advantages The combination of the Revolution Drill and Opening Drills decreased the cycle time by 94%, providing the ideal solution for this application. • Reduced cost per h

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