Case Studies: Steering Knuckle
Just watch current case studies in automotive industry comparing Steering Knuckle.CUSTOM XFIX™ MULTI-TOOTH REAMER:
Material: Nodular cast iron (GGG) (SMG 13)
Coolant: Water soluble oil
Operation: Ball bearing bore finishing
Criterion: Tolerance H6, cylindricity = 5µ, surface finish Ra = 1
Fixturing: Hydraulic
Tool: Multi-tooth XFIX reamer Ø 78 mm and chamfer
Insert 1/2: LNEG1003-EB45-06, RX1500 / SCGX060204-P2, T2000D
Cutting Data:
| | vc | f | ap | ae | z | k |
| Metric | 120 m/min | 0.15 mm/tooth | 0.2 mm (0.4 mm to Ø) | stroke = 35 mm | 5 | 5 |
| Inch | 395 sf/min | 0.006"/tooth | 0.008" (0.016" to Ø) | stroke = 1.378" | 5 | 5 |
Results:
- Tool life = 3000 pcs. per edge
- 25% increase to tool life.
R335.19 DISC MILLING CUTTER:
Material: Nodular cast iron (GGG) (SMG 13)
Coolant: Water soluble oil
Operation: Control arm connection slotting
Criterion: Tool life
Fixturing: Hydraulic clamping fixture
Tool: Disc milling Cutter R335.19 160.04 40-9
Insert 1: SNHQ110204TR4-M07, F30M
Cutting Data:
| | | vc | fz | ap | ae | z | k |
| | Metric | 150 m/min | 0.14 mm/tooth | 4mm | 16 mm | 18 | 9 |
| | Inch | 490 sf/min | 0.0055"/tooth | 0.157" | 0.630" | 18 | 9 |
Results:
- Tool life = 5000 pcs.
- I reduced slot shrinking effect due to low cutting forces.