Four-axis Gun Drilling Machine Tool

Overview:
Processing Method:  outside chip removing; gun drill
Hole Diameter(mm):  Φ3~Φ15
Hole Depth(mm):  500; 1000; 1500 (Draw Ratio≤100)
NC System:  GSK980TDC / FANUC OI Mate TC
Drill Pipe:  high speed mechanical spindle; frequency control; simultaneously rotating and
feeding
Workpiece:  constant speed rotation
Guide Sleeve:  axial restraint
Workpiece Clamping:  based on the top of tail and cone disc of guide sleeve, to accurately
orientate workpiece by chamfer of the two sides;
pneumatic stretch out and draw back to fasten the workpiece.
Parameter:
Processing Ability:

1. Number of Spindle(pcs):  4
2. Hole Diameter(mm):  Φ3~Φ15
3. Hole Depth(mm):  500; 1000; 1500
4. Diameter Range of Workpiece(mm):  ≤Φ80
5. Length Range of Workpiece(mm):  500; 1000; 1500

Processing Speed:

1. Max Rotation Speed of Drill Pipe’s Spindle (r/min):  7000
2. Workpiece Rotation Speed(r/min):  500
3. Feeding Speed Range(mm/min):  ≤1500
4. Forward Speed(mm/min):  ≤2000

Processing Accuracy:

1. Hole Skewness:  ≤1.0/1000 (workpiece fixed, draw ratio≤100)

               ≤0.5/1000(workpiece rotating,draw ratio ≤100)

2. Dimensional Accuracy of Drill Pipe:  IT7~IT11
3. Hole Rugosity:  Ra0.8~Ra3.2

Power of Machine

1. Drill Pipe Motor Power(kw):  2X5.5
2. Workpiece Rotating Power(kw):  2X3.0
3. Oil Pump Power(kw):  2X7.5
4. Feeding Power(kw):  1.8
5. Power of Oil-temp Cooling Machine(kw):  4.05

Hydraulic System

1. Max Volume of Flow(L/min):  4X40
2. Max Pressure(Mp):  12
3. Filtering Accuracy(um):  20
4. Oil Storage Capacity(L):  1360

Basic Dimension & Weight

1. Dimension (mm):  4500*3000*1500(L*W*H)
2. Height between Drill Pipe Centre and Ground(mm):  1070
3. Height between Drill Pipe Centre and Guide(mm): 297.0
4. Distance between Axles(mm):  140
5. Weight of Main Engine(kg):  5000