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Deep Hole Gun Drilling Machine Best For Reaming
The twin-spindle deep hole gun drilling machine is designed for efficient machining of coaxial holes in shaft-type components. With its dual-spindle configuration, it processes two workpieces at once, delivering exceptional productivity and consistent quality.
Description
The twin-spindle deep hole gun drilling machine is designed for efficient machining of coaxial holes in shaft-type components. With its dual-spindle configuration, it processes two workpieces at once, delivering exceptional productivity and consistent quality.
Key Specifications
| Parameter | Value |
|---|---|
| Drill diameter range | Φ3 – Φ20 mm |
| Max drill depth | 1000 mm |
| Max hole L/D ratio | 100:1 |
| Workpiece OD range | Φ15 – Φ100 mm |
| Spindle quantity | 2 |
| Drill box max speed | 5000 r/min |
| Drill box motor power | 7.5 kW |
| Headstock speed | 117 r/min |
| Headstock motor power | 1.5 kW |
| Feed speed range | 5 – 500 mm/min |
| Rapid move speed | 4 m/min |
| Feed motor torque | 8 Nm |
| Coolant max pressure | 10 MPa |
| Coolant max flow | 100 L/min |
| Filtration accuracy | 20 μm |
| Machine total power | 25 kW |
| Floor size | 4.8 m × 3.1 m |
| Machine weight | 6 T |
Processing Accuracy
| Parameter | Value |
|---|---|
| Hole size accuracy | IT7 – IT10 |
| Surface roughness | Ra1.6 – 6.3 μm |
| Hole deviation (workpiece rotation) | 0.5 mm / 1000 mm |
Key Features
Twin-spindle – processes two workpieces simultaneously
Gun drilling method – tool and workpiece rotate opposite each other
Automatic hydraulic conical disk clamping – self-centering, fast setup
5000 r/min spindle speed – high-speed precision drilling
Stepless feed speed regulation – 5–500 mm/min
10 MPa high-pressure coolant – efficient chip removal
20 μm filtration – clean cutting oil
Linear guideways – smooth, accurate motion
GSK CNC control – reliable and user-friendly
Two-stage aged castings – long-term stability
Machine Components
| Component | Description |
|---|---|
| Drill Box | 7.5kW servo motor, 5000rpm, twin-spindle, one motor drives two spindles |
| Headstock | 1.5kW motor, 117rpm, hydraulic axial movement for clamping |
| Feed System | Servo motor + ball screw, 5–500mm/min, 4m/min rapid |
| Coolant System | 10MPa, 100L/min, 20μm filtration, chip conveyor, oil cooler |
| Guide Frame | Tool guidance, chip discharge, tool bar support |
| Drill Bar Support | 2 sets, supports the drill bar |
Workpiece Clamping
Conical disks mounted on headstock and guide frame spindles
Hydraulic system controls axial movement
Conical disk engages chamfers on both workpiece ends
Automatic clamping and positioning
Why Choose deep hole gun drilling machine ?
| Benefit | Reason |
|---|---|
| Double productivity | Twin-spindle processes two parts simultaneously |
| Deep hole capability | 100:1 L/D ratio in single pass |
| Precision holes | IT7-IT10 accuracy |
| Good surface finish | Ra1.6–6.3μm |
| Efficient chip removal | 10MPa high-pressure coolant |
| Clean operation | 20μm filtration, oil return groove design |
| Easy setup | Automatic conical disk clamping |
| Reliable control | GSK CNC system |
| Long-term accuracy | Two-stage aged castings |
Typical Applications
Shaft-type components with coaxial holes
Automotive transmission and camshafts
Hydraulic piston rods and valve spools
Aerospace actuator shafts
Precision engineering components
Contact Us
Laura Fang
Mobile/whatsapp/wechat：+8613515445601
Email：china@dzguanlu.com
website:www.dzgljc.com
www.guanludrilling.com
www.deepholemachine.com
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