Technical Details

Drilling Ability
1. Number of Spindle: 1 PCS
2. Drilling Diameter Range: φ16～φ30 mm
3. Max. Drilling Depth: 2500 mm
4. Max. Workpiece Diameter: φ320 mm; φ500 mm 5. Clamping Diameter of Center Frame: φ270 mm; φ500 mm
6. Max. Workpiece Length: 2500mm
Drilling Speed
1. Max. Drill Stem Rotary Speed: 2000 r/min
2. Workpiece Rotary Speed: 31.5 r/min
3. Feed Speed Range: ≤1500 mm/min
4. Fast Move Speed ≤2000 mm/min
Drilling Accuracy
1. Skewness: ≤1.0/1000 (length to diameter ratio <100)
2. Dimensional Accuracy: IT8～IT11
3. Roughness: Ra1.6～Ra3.2
Machine Power
1. Power of Drill Stem Motor: 11 KW
2. Workpiece Rotary Power: 3.0 KW
3. Oil Cooling Power: 2.8 KW
4. Oil Pump Motor: 11.0+11.0 KW (double pump group)
5. Power of Feed Motor: 2.5 KW
6. Total Power: 50 KW
Hydraulic System
1. Max. Flow: 150 L/Min
2. Max. Pressure: 6 MPa
3. Filter Accuracy: 20 um
4．Oil Tank Capacity: 1600 L
Basic Dimension & Weight
1. Ground Area: 8000×3000×1500mm
2. Distance between Drill Stem Center and Ground: 1070mm
3. Weight of Main Engine: 9 T
4. Weight of Hydraulic System: 2.5 T