Summary

The Okuma GP-47N is a CNC cylindrical grinder built for high-precision outer diameter (OD) grinding of large, heavy workpieces. It can accommodate parts up to 15.75" in diameter, 124" in length, and 3,968 lbs, with high rigidity features and a hydrodynamic wheel spindle for demanding production runs. Designed for efficient operation and user-friendly control via the OSP-P300GA, it enables accurate grinding of oversize parts in production or repair environments.

Key Capabilities

• Precision OD grinding of large and heavy cylindrical workpieces
• Hydrodynamic wheel spindle enables high rigidity and rotational accuracy
• Supports grinding wheels up to 30" in diameter
• CNC control with IGAP+ conversational programming (OSP-P300GA)
• Accommodates part lengths up to 124"
• Wide V and flat guideway construction for rigidity and accuracy

Key Specifications

| Parameter | Value | Unit |

| Distance Between Centers | 84.65, 104.33, or 124.02 | in |

| Maximum Grinding Diameter | 15.75 | in |

| Maximum Workpiece Weight | 3968 | lbs |

| Grinding Wheel OD | 30 | in |

| Grinding Wheel Width (max) | 5.12 | in |

| Wheel Spindle Motor Power | 20 | hp |