Landing Gear Component: Drilling

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Notes

  • Objective was to lower X (thrust) cutting forces: the thrust decreased by 30-40% compared to HPGM insert
  • Tool life increased from 5 to 25 holes compared to HPGM insert
  • Realize on lathe machine
  • Outboard inserts: DFC06T312D36HP KCU40

Solution Specifications

Material6AL-4V Titanium (forged)
Tool DescriptionKennametal KSEM Plus Ø58mm / 2.283″ Dia. B1
Kennametal MM#MM 5116125 (head)
OperationDeep-hole drilling
Cutting EdgeCarbide
InsertKennametal KSEM_SPLM KCMS35
Kennametal DFC06T312D36HP KCU40
Vc142 m/min (180 SFM)
F0,25 mm/rev (.01 IPR)
Depth622,3 mm (24.5 in)
Pressure1000 PSI
Coolant supplyInternal Coolant
ObjectiveStable process & good tool life
Tool Life25 holes