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
