Original T-A
Original T-A
Wrench: Original T-A® 
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The Challenge
A contract machine shop that repairs and maintains equipment for the oilfield industry is machining the base of a wench for an offshore oil rig made from alloy steel. They use a Lucas HBM NMTB taper with through coolant using RCA to produce their products.

Tool used: National twist HSS drill
  • Hole diameter = 0.937″
  • Hole depth = 4.0″
  • 500 RPM
  • 0.006 IPR
  • Cycle time = 1.83 minutes
The customer needed a solution to reduce the cycle time of the process.
The Solution
Allied recommended the Original T-A drill.

Tool used: Original T-A drill insert with Notch Point® geometry (item 151A-0030-NP) and holder (27010S-100L)
  • 620 RPM
  • 0.005 IPR
  • Cycle time = 1.79 minutes
The Advantages
The Original T-A reduced the machine’s cycle time while providing increased penetration rates.
  • Total cost savings = $81.05 or 14.15%