CoroCut® 2
New concept, greater benefits
Customer case
Increased tool life
Tool life
Cost per part
| Component: | Upper shaft |
| Industry segment: | Automotive |
| Material: | P1.2.Z.HT (S45C) |
| Operation: | Parting |
| Machine: | Ace |
Challenge: To improve tool life and reduce the insert breakage issue.
Result: With CoroCut® 2, the customer increased tool life by 130%.
| Competitor | Sandvik Coromant | |
| Tool | - | C2R-RS25-LE08B |
| Insert | - | C2I-E2N-0200-0002-CM 4425 |
| n, rpm | 2300 | 2600 |
| vc, m/min (ft/min) | 110 (361) | 120 (394) |
| fn, mm/rev (in/rev) | 0.06 (0.0024) | 0.05 (0.0020) |
| ap, mm (inch) | 6 (0.236) | 6 (0.236) |
| Cutting time, sec | 8 | 8 |
| Indexing criteria | Risk of insert breakage | Predetermined tool life |
| Tool life, pcs | 350 | 800 |
Customer case
Increased tool life
Tool life increase
V-profile
Rail profile
| Component: | Normally open valve intake seal base |
| Industry segment: | Electronics |
| Material: | Stainless steel 304, M1.0.Z.AQ, 200 HB |
| Operation: | Parting off |
| Coolant: | 50 bar external oil |
| Machine: | CNC-sliding head machine |
Challenge: Customer’s V-profile insert movement caused over cutting or less cutting.
Result: With CoroCut® 2 rail profile insert, the tool life increased with 71% per edge.
| Competitor | Sandvik Coromant | |
| Tool | - | C2R-RS16-LE17DS |
| Insert | - | C2I-E2N-0200-0002-CM 1225 |
| n, rpm | 1800 | 1800 |
| fn, mm/rev (in/rev) | 0.05 (0.002) | 0.05 (0.002) |
| ap, mm (inch) | 0.3 (0.012) | 0.3 (0.012) |
| Cutting time, sec | 6 | 6 |
| Reason for tool change | Predetermined wear criterion | Predetermined wear criterion |
| Tool life, pcs | 700 | 1200 |
Customer case
Increased tool life
Tool life increase
Insert wear after 85 pieces
| Component: | Molar cup |
| Industry segment: | Medical |
| Material: | Cobalt-chrome Mo alloy 310 HB |
| Operation: | Roughing turning |
| Coolant: | Emulsion, external |
| Machine: | Okuma LT2000 |
Challenge: Customer requested optimized RCMT performance. Competitor and Sandvik Coromant made the trial comparison.
Result: With the implementation of CoroCut® 2, we have achieved a remarkable doubling of performance per cutting edge vs. competitor.
| Competitor | Sandvik Coromant | |
| Tool | - | RF123H051-12BM |
| Insert | - | C2I-H2N-0500-RM 1225 |
| n, rpm | 700 | 700 |
| vc, m/min (ft/min) | 70 (230) | 70 (230) |
| fn, mm/rev (in/rev) | 0.08–0.3 (0.003–0.012) | 0.08–0.3 (0.003–0.012) |
| ap, mm (inch) | 0.75 (0.030) | 0.75 (0.030) |
| Cutting time, sec | 20 | 20 |
| Reason for tool change | Risk of insert breakdown | Risk of insert breakdown |
| Tool life, pcs | 30 | 60 |
Customer case
Increased tool life
Productivity increase
Cost reduction
Medical screw
| Component: | Screw |
| Industry segment: | Medical |
| Material: | Stainless steel 40 HRC |
| Operation: | Parting off |
| Coolant: | Mist coolant |
| Machine: | Sliding head (Citizen) |
Challenge: To increase tool life, chip control and reduce cycle time and cost per part
Result: Reduced cycle time and cost per part with increased tool life. Chip control was also improved.
| Competitor | Sandvik Coromant | |
| Tool | - | C2R-QS12-RE11AD |
| Insert | - | C2I-E2N-0200-0004-GF 1225 |
| n, rpm | 995 | 1393 |
| vc, m/min (ft/min) | 25 (82) | 35 (115) |
| fn, mm/rev (in/rev) | 0.03 (0.001) | 0.08 (0.003) |
| ap, mm (inch) | 4 (0.157) | 4 (0.157) |
| Cutting time, sec | 2 | 1.08 |
| Tool life, pcs | 700 | 1500 |
Customer case
Increased tool life
Tool life
| Component: | Fitting connector |
| Industry segment: | Automotive |
| Material: | M1.0.Z.AQ (304 L) |
| Operation: | 2 mm parting Component diameter 11 mm |
| Machine: | Citizen |
Challenge: The customer wanted to increase tool life, reduce cost per part, improve the surface quality and decrease burr formation.
Result: With CoroCut® 2, the customer could overcome all challenges and achieve a 140% tool life increase.
| Competitor | Sandvik Coromant | |
| Skär | - | C2I-E2N-0200-0002-CM1225 |
| n, rpm | 2400 | 2400 |
| vc, m/min (ft/min) | 83 (272) | 83 (272) |
| fz, mm/z (in/z) | 0.03 (0.001) | 0.03 (0.001) |
| ap, mm (inch) | 5.5 (0.217) | 5.5 (0.217) |
| Cutting time, sec | 5 | 5 |
| Indexing criteria | Burr formation | No burr, nominal flank wear |
| Tool life, pcs | 250 | 600 |
Customer case
Improved chip control
Productivity increase
Cost reduction
| Component: | Down hole plunger |
| Industry segment: | Oil and gas |
| Material: | P1.1.Z.HT |
| Operation: | Machine 14 grooves on OD |
| Machine: | Mazak Quick Turn Nexus 250 |
Challenge: Poor chip control causes machine delays and slows down productivity.
Result: CoroCut® 2 and QS™ system with over and under coolant provides improved chip control. The customer can use higher cutting data and thereby reduce overall cost per part.
| Competitor | Sandvik Coromant | |
| Tool | - | C2R-QSA16-RH25-CB |
| Insert | - | C2I-H2N-0400-0004-TF 4425 |
| vc, m/min (ft/min) | 152 (500) | 244 (800) |
| fn, mm/rev (in/rev) | 0.10 (0.004) | 0.15 (0.006) |
| ap, mm (inch) | 3.8 (0.150) | 3.8 (0.150) |
| Coolant: | External coolant | Through tool, over and under |
| Tool life, pcs | 20 | 38 |
Performance
Grade GC1225
Tool life increase
GC1125
GC1225
| Component/segment: | Automotive component |
| Material: | Machined, P2.1.Z.AN, 180 HB |
| Operation: | External grooving, finishing, emulsion |
Result: Grade GC1225 provided a 36% increase in tool life compared to existing grade GC1125.
| GC1125 | GC1225 | |
| Skär | N123H2-0400-0004-GF 1125 | C2I-H2N-0400-0004-GF 1225 |
| vc, m/min (ft/min) | 260 (853) | 260 (853) |
| fn, mm/rev (in/rev) | 0.15 (0.006) | 0.15 (0.006) |
| Tool life, pcs | 178 | 243 |
Performance
Tool holders with precision coolant
Productivity
| Component/segment: | Camshaft |
| Material: | 4340 AISI P2.2.Z.AN |
| Operation: | Pocketing (Waveform method) |
| Machine: | Okuma LT3000 |
Result: The new tool holders provide higher cutting data and have substantially longer tool life.
| Spring lock | Screw clamp | |
| Tool | RF123J00C16E | C2R-QSA16-RJ25CB |
| Insert | N123J2-0600-RM | N123J2-0600-RM |
| n rpm | 1300 | 1300 |
| vc, m/min (ft/min) | Variable | Variable |
| fz mm/rev (in/rev) | 0.45 (0.018) | 0.55 (0.022) |
| ap mm (inch) | 1.2 (0.047) | 1.2 (0.047) |
| Tool life, pcs | 20 | 20 |
| Result: | Need to change tool holder every 6-8 weeks | New tool holder lasts at least 6 months |
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Sandvik Coromant US - Mebane, NC
+1-800-Sandvik