Gun Drilling Machine for Piston Pin
Note
- Introduced 4 spindle design.
- Introduced counter-rotary and single rotation in term of drilling requirement.
- The machine fits for drilling deep hole of shaft parts. Typical parts like piston pins of automobile, etc.
Loading System
Gun drilling machine realizes manual loading. Automatic loading system is optional. Please refer to “GSM Machine Overview” for details or consult us for your solution.
Clamping & Positioning
Clamping and positioning is by chamfer or center hole.
Rotary Type
Drilling spindle rotary and workpiece fixed. (counter-rotation is optional, the model is ZK2125*4B/500)
Gun Drilling Capacity
Drilling Diameter: ∅10 – ∅25mm
Max. Drilling Depth: 300mm / 500mm(ZK2125*4B/500)
No. of Spindle: 4
Distance between Spindles: 140mm
Clamping Length Range: ≤500mm (when auto loading)
Clamping Diameter Range: ≤∅55mm
Workpiece Type: shaft( round bar)
Drilling Speed
Max. Drilling Spindle Rotary Speed: 3000 r/min
Max. Workpiece Rotary Speed: 0 r/min
Feeding Speed: 0 – 500 mm/min
Fast Feeding Speed: ≤2000mm/min
Precision
Skewness: ≤1.0/1000mm
Tolerance: IT7 – IT11
Roughness: Ra0.8 – Ra3.2
Power
Drilling Spindle Motor: 7.5*2KW (1 PCS on left and right side)
Oil Coolant Machine Motor: 4KW
Feeding Motor: 12KW
Hydraulic System
Max. Flow: 240 L/min
Max. Pressure: 8 MPa
Filter Accuracy: 20um
Oil Tank Capacity: 1360L
