September 06, 2025

CNC Oil Field Hollow Spindle Pipe Threading Lathe CJK6646X4000

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**CJK6646X4000 CNC Oil Country Lathe Machine**
CNC Oil Field Hollow Spindle Pipe Threading Lathe CJK6646X4000
CNC Oil Field Hollow Spindle Pipe Threading Lathe CJK6646X4000
CNC Oil Field Hollow Spindle Pipe Threading Lathe CJK6646X4000

Main Specifications
Max. Swing Over Bed: 1,200 mm
Max. Swing Over Carriage: 800 mm
Turning Diameter Range: 240 to 350 mm
Maximum Workpiece Length: 2000–6000 mm
Maximum Turning Length: 2,800 mm
Maximum Load Between Centers: 6,000 kg
Bed Width: 970 mm
Spindle Bore Diameter: 460 mm
Spindle Speed Range: 2 steps; Automatic infinitely variable from 5 to 315 rpm
Chuck Diameter: 1,000 mm
Turret Type: Vertical 4-position (Yantai Machine Tool Accessories Corp.)
Tool Size: 32×32 mm
Ball Lead Screw: X-axis 50×5, Z-axis 80×10 (China-made)
X-axis Travel: 620 mm
Rapid Traverse: X: 4000 mm/min; Z: 6000 mm/min
Feed Rate: X: 0.1–4000 mm/min; Z: 0.1–6000 mm/min
Threading Range: 0.01–200 mm
Motor Torque: X and Z axes – 30 Nm each
Max Tailstock Sleeve Movement: 300 mm
Tailstock Sleeve Diameter: 160 mm
Taper Hole of Tailstock: Metric No. 80
Main Motor Power: AC 30 kW
Inverter for Motor Speed Control: Domestic Brand
Tailstock Movement: Manual
Oil Pump Motor Power: 1.5 kW
Cooling Motor Power: 0.55 kW
Control System: TSK98TTA (Made in China)
Machine Power Supply: 380V±10%, 50Hz±2%, 3-phase.

Standard Accessories Included with the Machine:
4-jaw chuck, diameter 1,000 mm: 1 set
Steady rest, range 220–630 mm: 1 set
Lighting device: 1 set
Hydraulic unit: 1 set
Automatic lubrication system: 1 set
Dead center: 2 pieces
Center sleeve: 1 piece
Foundation bolts and leveling pads
Item No. Part Name Model/Type Qty Supplier
1 Spindle Bearing   1 set Domestic
2 Bearing for Ball Screw (X-axis) 60 0 2 sets Domestic
3 Ball Screw for X and Z Axes China 1 set Domestic
4 Hydraulic Unit Valve 1 set Taiwan
5 NC Turret 4-position 1 set Domestic
6 Controller Fanuc 0i Mate 1 set Fanuc, Japan
7 Servo Motor for X and Z Axes 27 Nm 1 set Fanuc, Japan
8 Electrical Cabinet China 1 set Domestic
9 Automatic Lubrication System   1 set Domestic
10 Main Motor AC 18.5 kW 1 set Domestic
11 Inverter for Main Motor Yaskawa 1 set Japan
12 Manual 4-jaw Chuck Diameter 720 mm 2 sets Spark Machine Tools

Free Spare Parts Included:
Items Name Part No. QTY Description
1 O-ring, Seal 50×3.5 1 piece  
2 55×3.5 1 piece  
3 Arc Extinguisher JD6322150 3P/A 1 piece  
4 JD62522200 TF/A 1 piece  
5 Power Indicator AD11-2/21 1 piece  
6 Promaxite Switch E2E-X2F1 1 piece  
7 Fuse RT18-32 2A 1 piece  
8 RT18-32 4A 1 piece  
9 RT18-32 10A 1 piece  
Total 11 pieces  

This high-performance CNC lathe is ideal for oil field applications, offering precision, durability, and efficiency. It is equipped with advanced features such as a hollow spindle, automatic turret, and high-speed control system, making it suitable for turning pipes and large workpieces. The machine is built to meet international standards, including CE and ISO 9001 certifications, ensuring quality and safety. Whether you're working on long-length pipes or heavy-duty components, the CJK6646X4000 is a reliable choice for your industrial needs.

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