CoroDrill® Dura 462
Versatile solid carbide drills for short-hole drilling in multi-material applications
Customer case
Tool life increase
Productivity increase
| Component: | Automotive, steering gear |
| Material: | Low alloy steel, P2.1.Z.AN (28–30HRc) |
| Operation: | Blind hole drilling |
| Hole size: | 6.0 mm (0.236 inch) |
| Machine: | Turning centre, lathe (Tsugami) |
| Coolant: | Internal emulsion 8%, 10 bar (145 PSI) |
Challenge: Increase productivity and tool life against a low-cost local competitor.
Result: CoroDrill® Dura 462 outperformed the current solution with a productivity increase of 85% while achieving a tool life of more than double.
| Local competitor | CoroDrill® Dura 462, same data | CoroDrill® Dura 462, improved data | |
| Tool | 6.0 mm (0.236 inch) | 462.1-0600-045A1-XM X2BM | 462.1-0600-045A1-XM X2BM |
| n, rpm | 2500 | 2500 | 3700 |
| vc, m/min (ft/min) | 47 (154) | 47 (154) | 70 (230) |
| fn, mm/rev (in/rev) | 0.08 (0.003) | 0.08 (0.003) | 0.1 (0.004) |
| Hole depth, mm (inch) | 43 (1.69) | 43 (1.69) | 43 (1.69) |
| Tool life, no. of holes | 800 | 1340 | 1795 |
Customer case
Tool life increase
Productivity increase
| Component: | Automotive, steering gear |
| Material: | Low alloy steel, P2.1.Z.AN (28–30HRc) |
| Operation: | Blind hole drilling |
| Hole size: | 9.2 mm (0.362 inch) |
| Machine: | Turning centre, lathe (Tsugami) |
| Coolant: | Internal emulsion 8%, 10 bar (145 PSI) |
Challenge: Increase productivity and tool life against a local competitor.
Result: CoroDrill® Dura 462 outperformed the current solution, delivering a 67% increase in productivity while achieving a tool life nearly four times longer than the existing solution.
Additional savings: less tool inventory and fewer tool changes.
| | Local competitor | CoroDrill® Dura 462, same data | CoroDrill® Dura 462, improved data |
| Tool | 9.2 mm (0.362 inch) | 462.1-0920-046A1-XM X2BM | 462.1-0920-046A1-XM X2BM |
| n, rpm | 3000 | 3000 | 3000 |
| vc, m/min (ft/min) | 87 (285) | 87 (285) | 87 (285) |
| fn, mm/rev (in/rev) | 0.12 (0.005) | 0.12 (0.005) | 0.2 (0.008) |
| Hole depth, mm (inch) | 19 (0.748) | 19 (0.748) | 19 (0.748) |
| Tool life, no. of holes | 1200 | 1340 | 4577 |
Customer case
Tool life increase
| Component: | Automotive, steering stem |
| Material: | Low alloy steel, P2.1.Z.AN |
| Operation: | Blind hole drilling |
| Hole size: | 8.8 mm (0.346 inch) |
| Machine: | Vertical machining center |
| Coolant: | External emulsion
|
Challenge: Increase tool life and lower the cost per hole.
Result: At the initial test with CoroDrill® Dura 462, a 20% tool life increase was achieved compared to the competitor. The customer felt confident that further improvements could decrease the cost per hole even more.
| Competitor | CoroDrill® Dura 462 | |
| Tool | 8.8 mm (0.346 inch) | 462.1-0880-044A0-XM X2BM |
| n, rpm | 2400 | 2400 |
| vc, m/min (ft/min) | 66 (217) | 66 (217) |
| fn, mm/rev (in/rev) | 0.16 (0.006) | 0.16 (0.006) |
| Hole depth, mm (inch) | 20 (0.787) | 20 (0.787) |
| Tool Life | 1300 | + 1560 |
Customer case
Productivity increase
Tool life increase
| Component: | Axle arm (steering knuckle) |
| Material: | P2.2.Z.AN (40Cr4 / 42CrMo) 240HB |
| Operation: | Through and cross hole drilling |
| Hole size: | 7.0 mm (0.276 inch) |
| Machine: | Vertical machining centre (LMW- JV 100-BT40) |
| Coolant: | Internal emulsion |
Challenge: To reduce cost per component while safeguarding process security in cross-hole drilling.
Result: CoroDrill® Dura 462 delivered a 110% increase in productivity and a 36% extension in tool life.
| CoroDrill® 460 -XM | CoroDrill® Dura 462 | |
| Tool | 460.1-0700-035A1-XM GC34 | 462.1-0700-035A1-XM- X2BM |
| n, rpm | 2800 | 3180 |
| vc, m/min (ft/min) | 61.5 (202) | 70 (230) |
| fn, mm/rev (in/rev) | 0.07 (0.003) | 0.13 (0.005) |
| Hole depth, mm (inch) | 32 (1.26) | 32 (1.26) |
| Tool life, no. of holes | 220 | 300 |
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