Reaming Application for Crankshaft Bore in Die Cast Aluminium with  KOMET  DIHART  REAMAX®  TS, Modular Reaming Systems

Challenge

Previously:
Solid PCD-Reamer, NZ6, tool life 2.200 holes

Application:
Crank shaft bore Ø54H6 in engine housing with
3 journals, tool length 420 mm necessary

Material:
Die cast aluminium with 9% silicon

Machine:
MAKINO A54, HSK-A63

Goal:
Increase tool life

KOMET-Solution

Special Reamer 751.41.4011A PCD-Reamax TS 54H6 NZ6 mounted on basic and special compensation holder

Cutting data: Vc = 300 m/min (984SFM)
fz = 0.03 mm (.0011")/tooth

Tool life: 10.200 parts with 3 adjustments (826 m = 2.709 feet) Tool life criteria: Burr at journals

Customer's Benefit

Tool life increased by 460% from 2.200 to 10.200 holes due expandable tool Annual savings of 25.440,- € due:

  • higher tool life
  • lower tool cost
  • easier tool handling