Gun Drilling Machine for Piston Pin,ZK2125*4/500

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