| Project | GP20-35CNC | GP20-50CNC | GP20-75CNC | |
| Direct Feed Straight Cut | Direct Feed Straight Cut | Straight line cutting type | ||
| Processing Capacity | Maximum turning diameter of the worktable | Φ220mm | ||
| Processing capacity | Center distance between two apical centers | 350mm | 500mm | 750mm |
| Maximum Grinding Diameter | Φ200mm | |||
| Center Height | 125mm | |||
| Maximum load of two cores | 80kg | |||
| Grinding Wheel Size | Diameter x Width x Inner Hole Diameter | 500x50x203mm | ||
| Grinding wheel size | Grinding Wheel RPMs | 1720/2290rpm | ||
| Grinding Wheel Linear Speed | 45/60m/s | |||
| Grinding Wheel Bracket (X-axis) | Rapid Feed Speed | 12M/min | ||
| Grinding wheel holder (X-axis) | Feed Angle | 90° | ||
| Minimum unit feed | 0.001mm | |||
| Feed stroke | 245mm | |||
| Spindle Head Mount (Servo) | Apical taper | MT4 | ||
| Spindle Speed (Apical Taper) | 20～600rpm | |||
| Spindle Type | Set Core or Floating Core | |||
| Tailstock (Air Floating) | Apical taper | MT4 | ||
| Tailstock (air flotation) | Action Stroke | 35mm | ||
| Spindle Type | Fixed or adjustable travel | |||
| Workbench (Z-axis) | Rapid feed rate | 12M/min | ||
| Workbench (Z-axis) | Table Stroke | 400mm | 550mm | 800mm |
| Minimum unit feed | 0.001mm | |||
| Rotation Angle | ±7° | |||
| Motor | Grinding Wheel Spindle Motor | 7.5KW | ||
| Spindle Head Rest (Servo) Motor | 6Nm | |||
| Grinding Wheel Holder (X-axis) (Servo) Motor | 15Nm | |||
| Workbench (Z-axis) (servo) motor | 15Nm | 18.6Nm | ||
| Grinding Fluid Pump | 1.1KW | |||
| Hydraulic Pump | 0.4KW | |||
| Sliding Surface Lubrication Pump | 0.06KW | |||
| Grinding Wheel Shaft Lubrication Pump | 0.75KW | |||
| Box volume | Grinding Fluid Tank | 150L | ||
| Box volume | Hydraulic Oil Reservoir | 20L | ||
| Grinding Wheel Shaft Lubrication Box | 80L | |||
| Sliding Surface Lubrication Box | 5L | |||
| Machine Tool Precision | Processing Roundness | ≤0.001mm | ||
| Machine tool accuracy | Dimensional Consistencynal consistency） | ≤0.004mm | ||
| Surface Roughness | Ra0.2μm (vertical grinding), Ra0.32μm (cutting grinding) | |||
| X-axis Repeated Positioning Accuracyning accuracy） | ≤0.0015mm | |||
| Z-axis Repeated Positioning Accuracyning accuracy） | ≤0.0025mm | |||
| Executive Standards | JB/T9914-1999 | |||
