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| ITEM | JHC-12BN | JHC-12S |
| Standard work rest (dia.) | Ø1 ~ Ø25 mm | |
| Special work rest (dia.) | Ø25 ~ Ø40 mm | |
| Grinding wheel size (dia. x width x hole) | Ø305 x 150 x Ø120 | |
| Regulating wheel size (dia. x width x hole) | Ø205 x 150 x Ø90 | |
| Grinding wheel speed | 1900 R.P.M | |
| Regulating wheel speed | 20 – 337 R.P.M (7 steps) | 10 – 300 R.P.M variable speed |
| Grinding wheel motor | 7.5 HP | |
| Regulating wheel motor | 1 HP | 1.8 kw Servo Motor |
| Hydraulic pump motor | 1 HP | |
| Coolant pump motor | 1/8 HP | |
| Regulating wheel feed on handwheel | 4 mm (Rev) 0.02 mm (Gra) | |
| Table feed on handwheel | 7 mm (Rev) 0.05 mm (Gra) | |
| Table micro feed on handwheel | 0.2 mm (Rev) 0.001 mm (Gra) | |
| Dressing handwheel | 1.25 mm (Rev) 0.01 mm (Gra) | |
| Regulating wheel tilt angle | +5° ~ -3° | |
| Regulating wheel swivel angle | ±5° | |
| Floor space (L x W x H) | 1800 x 1400 x 1400 mm | |
| Net weight / Gross weight | 1600 kgs / 1750 kgs | |
| Size of case (L x W x H) | 2300 x 1100 x 1800 mm | |