Success stories
Customer case
| Component: | Drill rod connector |
| Material: | 1018 Steel not annealed 60 HRC |
| Operation: | Drill through friction welded slag, hole depth 76 mm (3.00 inch) |
| Machine: | Okuma lathe |
| Coolant: | Emulsion through tool 6–8% |
+82%
Cost reduction per component
| Competitor | Sandvik Coromant | |
| Tool | - | 880-D08750LX25-05 |
| Insert | - | 880-0303W06H-P-GR 4344 880-030305H-C-GR 1044 |
| vc, m/min (ft/min) | 24 (79) | 44 (144) |
| n, rpm | 400 | 630 |
| vf, mm/min (in/min) | 30 (1.2) | 48 (1.89) |
| fn, mm (inch) | 0.08 (0.003) | 0.08 (0.003) |
| Result: | CoroDrill® 880 is running at a low RPM, which is restricted a by long part overhang at the rear of spindle. Process stability has improved and insert life is now predictable. |
Customer case
| Component: | Compressor rotor |
| Material: | Ti6AL4V |
| Industry segment: | Aerospace customer |
| Production rate: | 3,000 pcs/year |
| Sandvik Coromant | |
| Tool | 880-D0700LX50-04 |
| Insert | 880-06 04 06H-C-LM H13A 880-06 04 W08H-P-LM H13A |
| vc, m/min (ft/min) | 55 (180) |
| fn mm (inch) | 0.127 (0.005) |
| Doc, mm (inch) | 259 (10.2) |
| fn, mm (inch) | 0.06 (0.0024) |
| Cycle time, seconds | 300 |
| Tool life, pcs | 5 |
| Result: | Great chip control even though the machine had very low coolant pressure. The customer was apprehensive about using such a large diameter drill to rough out the bore on their machine. The tool ended up exceeding their expectations. |
Wind power: Connecting ring machining
| Machine: | Vertical machining center, double spindle |
| Spindle interface: | ISO 50 taper |
| Coolant: | Internal coolant 10% |
| Number of holes per ring: | 60 |
| Production rate: | 240,000 holes per year/4,000 pieces per year |
| Objective: | Productivity increase |
Drilling
Just by exchanging a conventional drill with a CoroDrill® 880, you can double the number of holes drilled in the same amount of time.
Step technology provides outstanding cutting force balance, bringing significant improvements in productivity as well as hole quality.
This, in combination with high performance grades, makes the CoroDrill® 880 stand out when it comes to rapid hole making.
Visit our Industry Solutions portal for more examples
53%
Productivity increase
1,253 hours
Time saved/year
$119,000
Savings/year
| Sandvik Coromant solution | Competitor | |
| Hole diameter | 45 mm (1.771 inch) | 45 mm (1.771 inch) |
| Hole depth | 158 mm (6.22 inch) | 158 mm (6.22 inch) |
| Cutting tool | 880-D4500L50-04 | |
| Insert | 880-0805W10H-P-LM 4024 880-080508H-C-LM 1044 | |
| VcCutting speed () | 320 m/min (1049.87 ft/min) | 250 m/min (820.21 ft/min) |
| fnFeed () | 0.12 mm/rev (0.005 inch/rev) | 0.1 mm/rev (0.004 inch/rev) |
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