High-speed finishing of gray cast iron｜ Uncoated CBNs
Gray cast iron
B23 for roughing to semi-finish turning operations
B30 for semi-finish to finish turning operations
| Klasse | Material | Operationstyp | Bearbeitung | Cutting speed (m/min) Cutting speed (SFM) | Feed(mm/rev) Feed(IPR) | DOC(mm) DOC(inch) | Kühlmittel |
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| B23/B30 | Graues Gusseisen | Turning | High-speed finishing | 400 – 1200 1300 – 4000 | 0.1 – 0.5 .040 – .020 | 0.2 – 2.0 .008 – .080 | DRY/WET |
| OD turning of oil pump housing | |
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| B23 |
210 pcs / corner
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| Competitor’s CBN |
70 Stück / Ecke
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The B23 insert was 3 times more productive than the competitor’s insert.
| Continuous ID bore operation on a cylinder block | |
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| B30 |
800 pcs / corner
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| Competitor’s CBN |
500 pcs / corner
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B30 achieved 1.6 times the tool life compared to competitor’s CBN.
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