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| Max. dia. of valves to be ground | : 90 mm |
| Dia. of valve stems to be gripped (standard) | : 6 ~ 16 mm |
| Dia. of valve stems to be gripped (special) | : 4 ~ 7 mm |
| Dia. of valve stems to be gripped (special) | : ~ 18 mm |
| Angles of valves to be ground | : 25 ~ 60 ° |
| Longitudinal movement of geared head | : 120 mm |
| Transverse movement of grinding wheel head | : 95 mm |
| Max. cutting depth of ground valve | : 0.025 mm |
| Grinding wheel spindle speed | : 4500 rpm |
| Geared head spindle speed | : 125 rpm |