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CBN grinding wheels with ceramic and resin bond are applied to the internal holes and end faces of air conditioning compressor parts, such as cylinders, rotors, pistons, and upper/lower bearings. Compared to general-purpose grinding wheels, the CBN Diamond wheel achieves higher machining precision and dramatically extends the interval between dressing.
Specifications and usage conditions of CBN/diamond grinding wheels for compressor inner hole/end face grinding applications
| Work Piece | Condition | Hardness | Spec |
| Compressor Cylinder | FC20 | HB 170-200 | CBN 230 P 150 V |
| FC25 | CBN 200 N 200 V | ||
| GC250 | HRB 65-85 | CBN 200 N 200 V | |
| Compressor Flange | GC250 | HRB 65-85 | CBN 230 P 150 V |

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