Deep Hole Drilling into Ladder Frame out of AlSi12Cu3 with  KOMET  KUB®  Drillmax, Solid Carbide Drill

Challenge

Material:
AlSi12Cu3

Part:
Ladder Frame

Drill hole:
Ø 5,0, 36×D long behind counterbore. Tool layout for 42xD

Machine:
Machine tool, vertical

Coolant:
MQL, 10 bar (145PSI)

Before:
Competitor's tool, often breakage

KOMET-Solution

KOMET  KUB®  Drillmax 5,0 42×D MQL Special

Pilot hole 6×D required

Cutting data:
vc = 100 m/min (328 SFM)
fz = 0,12 mm(.0047")/rev.

Approach pilot hole with reduced feed and speed. Continue drilling with regular feed and speed and 2 dwells. Reduce feed and speed again when approaching final depth. Retract tool out of the finished hole with low r.p.m.

Customer's Benefit

  • Vs. competition tool life increased from 6.000 to 10.000 holes. This equals 1.802 m (5.902 feet)
  • Safe process established