Gun Drilling Machine for Piston Pin
- 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.
Clamping & Positioning
Clamping and positioning is by chamfer or center hole.
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)
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
Tolerance: IT7 – IT11
Roughness: Ra0.8 – Ra3.2
Drilling Spindle Motor: 7.5*2KW (1 PCS on left and right side)
Oil Coolant Machine Motor: 4KW
Feeding Motor: 12KW
Max. Flow: 240 L/min
Max. Pressure: 8 MPa
Filter Accuracy: 20um
Oil Tank Capacity: 1360L