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M5C331
Customized cutter for blisk machining
Comparison – metal removal rate in HRSA (rough slotting of generic blisk)
+282% Metal removal rate
Method 1: Full slotting and plunge milling
| | End mill 2S440-1000-100-SD 1725 | Plunge cutter 2P070-1000-PB 1610 |
| vc, m/min (ft/min) | 20 (66) | 25 (82) |
| DC, mm v (inch) | 10 (0.394) | 10 (0.394) |
| fz, mm/z (in/z) | 0.02 (0.0008) | 0.04×4 (0.0016×0.158) |
| ap, mm (inch) | 8×2 (0.315×0.079) | 24 (pass depth) (0.945) |
| ae, mm (inch) | Variable | 2.5 (0.098) |
| Time in cut | 5 min 57 sec | 9 min 04 sec |
| Total MRR, cm3/min (in3/min) | 1.26 (0.077) |
Method 2: Trochoidal and plunge milling
| | End mill 2F341-0800-050-SC 1710 | Plunge cutter 2P070-1000-PB 1610 |
| vc, m/min (ft/min) | 85 (279) | 25 (82) |
| DC, mm (inch) | 8 (0.315) | 10 (0.394) |
| fz, mm/z (in/z) | 0.04×5 (0.0016×0.197) | 0.04×4 (0.0016×0.158) |
| ap, mm (inch) | 12×2 (0.472×0.079) | 24 (pass depth) (0.945) |
| ae, mm (inch) | 0.4 max (0.016) | 2.5 (0.098) |
| Time in cut | 5 min 19 sec | 9 min 04 sec |
| Total MRR, cm3/min (in3/min) | 1.31 (0.080) |
Method 3: Slot milling
| Slot cutter | M5C331 |
| vc, m/min (ft/min) | 40 (131) |
| DC, mm (inch) | 193 (7.598) |
| fz, mm/z (in/z) | 0.1 (0.004) |
| ap, mm (inch) | 11 (0.433) |
| ae, mm (inch) | 43 (1.693) |
| MRR, cm3/min (in3/min) | 5 (0.305) |
Comparison – metal removal rate in titanium (rough slotting of generic blisk)
+236% Metal removal rate
Method 1: Full slotting and plunge milling
| | End mill 2S342-1000-100CMA 1740 | Plunge cutter 2P070-1000-PB 1610 |
| vc, m/min (ft/min) | 50 (164) | 60 (197) |
| DC, mm (inch) | 10 (0.394) | 10 (0.394) |
| fz, mm/z (in/z) | 0.06×4 (0.0024×0.158) | 0.06 (0.0024) |
| ap, mm (inch) | 8.5 (0.335) | 19 (0.748) |
| ae, mm (inch) | Variable | 2.5 (0.098) |
| Time in cut | 3 min 09 sec | 2 min 14 sec |
| Total MRR, cm3/min (in3/min) | 3.51 (0.214) |
Method 2: Slot milling
| Slot cutter | M5C331 |
| vc, m/min (ft/min) | 70 (230) |
| DC, mm(inch) | 193 (7.598) |
| fz, mm/z (in/z) | 0.12 (0.0047) |
| ap, mm (inch) | 11 (0.433) |
| ae, mm (inch) | 43 (1.693) |
| MRR, cm3/min (in3/min) | 11.8 (0.720) |
Application example – performance in HRSA
| Component: | Blisk segment | Machine: | Hermle C50 |
| Workpiece material: | Inconel 718, 44 HRc | Spindle: | Coromant Capto® C10, 8000 rpm |
| Operation: | 5-axis slotting operation | Power/torque: | 38 kW, 440 Nm (S6/25%) |
| | Sandvik Coromant |
| Tool | M5C331 cutter |
| Inserts | R331.1A-084515H-WL S30T L331.1A-084515H-WL S30T |
| Cutter diameter, mm (inch) | 193 (7.598) |
| zn (zeff) | 10 (5) |
| n, rpm | 67 |
| vc, m/min (ft/min) | 40 (131) |
| vf, mm/min (inch/min) | 16.7–92.77 (0.658–3.652) |
| hex, mm (inch) | 0.083 (0.0033) |
| fz, mm/z (inch/z) | 0.1 (0.0039) |
| ap, mm (inch) | 11 (0.433) |
| ae, mm (inch) | 43 (1.693) |
| MRR, cm3/min (inch3/min) | ~ 5 (0.305) |
| Time per slot | ~ 4 min |
| Tool life | 3 slots per edge, 6 slots per set of inserts |
Application example – performance in titanium
| Component: | Blisk segment | Machine: | DMU 210FD |
| Workpiece material: | Ti6Al4V | Spindle: | Coromant Capto® C10, 8000 rpm |
| Operation: | 5-axis slotting operation | Power/torque: | 44 kW, 288 Nm (40% duty cycle) |
| | Sandvik Coromant |
| Tool | M5C331 cutter |
| Inserts | R331.1A-084515H-WL S30T L331.1A-084515H-WL S30T |
| Cutter diameter, mm (inch) | 193 (7.598) |
| zn (zeff) | 10 (5) |
| n, rpm | 117 |
| vc, m/min (ft/min) | 70 (230) |
| vf, mm/min (inch/min) | 26–69–144 (1.024–2.717–5.670) |
| hex, mm (min) | 0.1 (0.0039) |
| fz, mm/z (inch/z) | 0.12 (0.0047) |
| ap, mm (inch) | 11 (0.433) |
| ae, mm (inch) | 43 (1.693) |
| MRR, cm3/min (inch3/min) | 11.84 (0.723) |
| Time in cut | 1 min 32 sec |
| Tool life | 12 slots |
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