Gundrill Machine for Ejector Sleeve
- Introduced 4 spindle design. 1 and 2 spindle design is also available.
- Introduced counter-rotary of workpiece and drilling spindle.
- Fits for drilling of shaft parts. Typical parts like ejector sleeve, etc.
- Mainly to drill concentric deep hole and capable to drill super deep hole as well.
Gundrill 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 cylindrical clamping chuck and hydraulic center steady rest.
Counter-rotation of drilling spindle and workpiece.
Deep Hole Drill Diameter: ∅2 – ∅12mm (also capable for ∅1 – ∅8mm)
Max. Drilling Depth: 500mm
No. of Spindle: 1,2, 4(optional)
Distance between Spindles: 140mm
Clamping Length Range: ≤500mm
Clamping Diameter Range: ≤∅50mm
Workpiece Type: shaft( round bar)
Max. Drilling Spindle Rotary Speed: 7000 r/min , 15000r/min (based on drilling requirement)
Max. Workpiece Rotary Speed: 145 r/min
Feeding Speed: 0 – 500 mm/min
Fast Feeding Speed: ≤2000mm/min
Tolerance: IT7 – IT11
Roughness: Ra0.8 – Ra1.6
Drilling Spindle Motor: 2.2*2KW (1 PCS on left and right side)
Workpiece Rotary Spindle Motor: 2.0KW
Oil Pump Motor: 5.0*2KW (1PCS on left and right side)
Oil Coolant Machine Motor: 3.5KW
Feeding Motor: 1.2KW
Max. Flow: 60 L/min
Max. Pressure: 16 MPa
Filter Accuracy: 20um
Oil Tank Capacity: ≥1000L