Main cylinder head bore

Task

  • Workpiece: Cylinder head
  • Diameter: 49.115 mm
  • Tolerance: Subsequently honed
  • Material: Aluminium
  • Bore length: 60 mm
  • Bore type: Interrupted blind hole drilling
  • Surface: Subsequently honed
  • Circularity: 0.01 mm
  • Preliminary machining Ø: 48.8 mm
  • Preliminary machining type: Casting
  • Machine: Chiron FZ15
  • Spindle adapter: HSK-A 63

 

Solution

  • Tool designation: PKD special reamer
    with cutters, inclined at left and right
  • Tool holder: DAH81
  • Bevel: Special face cut
  • Cutting material: PKD
  • Internal cooling IKZ: Radial outlet
  • Number of cutters: 8
  • Cutting speed vc: 154 m/min
  • Speed n: 1000 min-1
  • Feed per tooth fz: 0.1 mm
  • Feed Vf: 800 mm/min

 

Customer benefits

  • Service life: 80,000 bores
  • Circularity achieved: 0.005 mm
 

PKD special reamer with cutters, inclined at left and right

 
 
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