Main Parameter

Drilling Ability

1.  Number of Spindle:  1 PCS

2. Drilling Diameter Range：  φ40-φ80 mm

3. Max. Drilling Depth：1500 mm

4. Max. Workpiece Diameter：φ320 mm; φ500 mm

5. Clamping Diameter of Center Frame:   φ270 mm; φ500 mm

6. Max. Workpiece Length:  1500mm

Drilling Speed

1.  Max. Drill Stem Rotary Speed：750 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：30 KW

2. Workpiece Rotary Power:   3.0 KW

3. Oil Cooling Power： 0.8 KW  

4. Oil Pump Motor:   15.0+11.0 KW (double pump group)

5. Power of Feed Motor： 3.5 KW  22 M.N

6. Total Power:   65KW

Hydraulic System

1.  Max. Flow:   300 L/Min

2. Max. Pressure：5 MPa

3. Filter Accuracy：20 um

4．Oil Tank Capacity:  1360 L

Basic Dimension & Weight

1.  Ground Area：6500×3000×1800mm

2.  Distance between Drill Stem Center and Ground:  1070mm

3.  Weight of Main Engine:  7.5 T

4.  Weight of Hydraulic System:  2.5 T