Case Studies: Brake Disc
Just watch current case studies in automotive industry comparing Brake Disc.SECO-CAPTO™ CUSTOM TOOL WITH PCBN INSERT:
Material: Grey cast iron (SMG 13)
Coolant: Dry machining
Operation 1: Center bore finishing, chamfering & wheel face finishing
Operation 2: Wheel hub face finishing (back facing)
Criterion: Flatness, surface finish and run out
Tool: Custom Seco-Capto C5 with 2 inserts
Insert (Tool 1): SNMN090308S, CBN300P
Insert (Tool 2): TNMX110308S-WZ, CBN300P
Cutting Data Tool 1:
| | | vc | f | ap |
| | Metric | 700 to 1000 m/min | 0.20 mm/rev | 0.30 to 0.50 mm |
| | Inch | 2295 to 3280 sf/min | 0.008"/rev | 0.012 to 0.020" |
| Cutting Data Tool 2: | | | |
| | Metric | 700 to 1000 m/min | 0.28 mm/rev | 0.30 to 0.50 mm |
| | Inch | 2295 to 3280 sf/min | 0.011"/rev | 0.012 to 0.020" |
Results:
- Tool 1: Tool life = 3500 pcs.
- Tool 2: Tool life = 3500 pcs.
- 50% reduction to cycle time via implementation of wiper insert.
SECO-CAPTO™ CUSTOM TOOL WITH PCBN INSERT:
Material: Grey cast iron (SMG 13)
Coolant: Dry machining
Operation 1: O.D. chamfering and breaking surface roughing
Operation 2: Disc hub I.D. roughing
Criterion: Tool life
Fixturing: Hydraulic clamping chuck
Tool: Custom Seco-Capto C5 with 2 inserts
Insert 1: CNMN120412S, CBN300
Insert 2: CNMN120412S, CBN300
Cutting Data:
| | vc | f | ap | z |
| Metric | 1000 m/min | 0.45 mm/rev | 2.5 to 3 mm | 1 |
| Inch | 3280 sf/min | 0.018"/rev | 0.098 to 0.118" | 1 |
Results:
- Tool life = 3000 pcs.
- 40% reduction to cycle time via Seco-Capto twin pockets toolholder with insert grade CBN300.
