Case Study Solutions Original T-A® Case Study: Industry: Part: Material: Holder: Insert: Depth: 1007 Structural Steel/Fabricator I-Beams Structural Steel 0.75” 152A-0106-SS 24020H-004IS100 Allied Machine Solution Original T-A® • 516 RPM • 0.009 IPR (0.228 mm/rev) • 4.65 IPM (118.11 mm/min) • No tool breakage Previous Tooling Nachi Cobalt Twist Drills (13/16”) • 700 RPM • 0.007 IPR (0.178 mm/rev) • 4.9 IPM (124.46 mm/min) • Issue = Tool is breaking at various points on the flute length The Advantages The Original T-A structural steel drill provided excellent chip formation (tightly curled 6’s and 9’s). More importantly, the drill eliminated the tool breakage issue. • Eliminated tool breakage • Provided excellent chip formation The Challenge The customer needs to drill holes in

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