30
Jan
Case Studies
Case I
| Workpiece | Gear |
| Cutting inserts | PCBN – SNGN201020 |
| Workpiece Materials | 40CrMo (45-55HRC) |
| Cutting Parameters | Roughing: Ap=4mm, f=0.7mm/r |
| Finishing: Ap=0.5mm, f=0.6mm/r | |
| Cutting Method | Gear Top cylindrical Turning |
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Comparison
| Comparison | Cutting Speed | Efficiency | Life |
| Carbide inserts | 20m/min | 20h/pcs | 0.25pcs/edge |
| MORESUPERHARD
CBN inserts |
50m/min | 2h/pcs | 2pcs/edge |
Case II
| Workpiece | Bearing |
| Cutting inserts | PCBN—SNGN150720 |
| Workpiece Materials | Gr15 (55-62HRC) |
| Cutting Parameters | Vc=120m/min |
| Ap=4mm | |
| f=0.1mm/r | |
| Cutting Method | Cylindrical / Face turning |
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Case III
| Workpiece | Rotary Support Bearing |
| Cutting inserts | PCBN—RCGN090700 |
| Workpiece Materials | 42CrMo (47-55HRC) |
| Cutting Parameters | Vc=90m/min |
| Ap=0.2mm | |
| f=0.3mm/r | |
| Cutting Method | Inner Circle Turning |
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Comparison
| Comparison | Cutting Speed | Efficiency | Life |
| Coated Alloy | 50m/min | 2h/pcs | 1pcs/edge |
| MORESUPERHARD
CBN inserts |
90m/min | 30min/pcs | 4pcs/edge |
Case IV
| Workpiece | Crankshaft |
| Cutting inserts | PCBN—DNGA110408 |
| Workpiece Materials | 42CrMo (42-47HRC) |
| Cutting Parameters | Vc=170m/min |
| Ap=0.3mm | |
| f=0.1mm/r | |
| Cutting Method | Excircle Interrupted Wet Turning |
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Comparison
