Case Studies: Crankshaft
Just watch current case studies in automotive industry comparing Crankshaft.CUSTOM TURN BROACHING DISC:
Material: Forget steel (SMG 4)
Coolant: Water soluble oil
Operation: Turn broaching of journals
Criterion: Tool life
Fixturing: Hydraulic clamping fixture
Tool: Custom turn broaching disc with 48 casettes
Insert 1/2: WNMG080412W-M3, TP3000 / CNMU120616-M5, TP3000
Insert 3/4: NI-LN19-11740, TP200 / Z049264, TP200
Insert 5: NI-XN33-12377, CP30
Cutting Data:
| vc | fz | z |
| Metric | 120 to 200 m/min | 0.20 to 0.045 mm/rev | Number of casettes per type should be determined for each application |
| Inch | 395 to 655 sf/min | 0.008 to 0.0018"/rev | |
Results:
- Tool life = 1200 crankshafts
- 30% increase to tool life.
CUSTOM PIN MILLING CUTTER:
Material: Forged steel (SMG 4)
Coolant: Water soluble oil
Operation: Pin milling
Criterion: Tool life
Fixturing: Hydraulic clamping fixture
Tool: Custom R335-65-0750-24.00-Y-02757915 fitted with segments
Insert 1: SE426399, T350M
Insert 2: SE429249, T350M
Cutting Data:
| vc | fz | z | k |
| Metric | 245 m/min | 0.23 mm/tooth | 240 inserts | 60 |
| Inch | 805 sf/min | 0.009"/tooth | 240 inserts | 60 |
Results:
- Tool life = 5000 crankshafts
- Increases to insert life and segment life.
