China NXX-46E Slant Bed CNC Turn-Mill Center - Premium Suppliers & Factory Solutions for Custom Machining Needs
Structural Features
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This series of machines focuses on reinforcing the rigidity, precision, and load-bearing capacity of core components. It features a monoblock sleeve-type spindle with a "three-front, two-rear" imported precision bearing layout. Driven by a high-performance servo motor, the spindle system ensures high-precision rotational accuracy, high-rigidity support, and consistent speed output to meet heavy-duty machining demands.
The bed is constructed from a one-piece cast iron structure with a 30° slant bed design, utilizing premium cast iron and resin sand casting technology. The interior is reinforced with a dense rib-plate configuration, providing exceptional structural rigidity and superior vibration dampening. This design also offers excellent visibility and accessibility for the operator while facilitating natural chip evacuation.
The bed is constructed from a one-piece cast iron structure with a 30° slant bed design, utilizing premium cast iron and resin sand casting technology. The interior is reinforced with a dense rib-plate configuration, providing exceptional structural rigidity and superior vibration dampening. This design also offers excellent visibility and accessibility for the operator while facilitating natural chip evacuation.
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X/Z-Axis Guidance and Drive System
The X/Z axes utilize high-rigidity, high-precision linear guideways paired with precision pre-stretched ball screws. These are directly coupled to the servo motors via flexible couplings. Supported by a computer-controlled automatic centralized lubrication system, the guideways and ball screws receive forced lubrication to effectively guarantee high positioning accuracy, suppress thermal deformation, and achieve rapid traverse rates of up to 30 m/min.
The X/Z axes utilize high-rigidity, high-precision linear guideways paired with precision pre-stretched ball screws. These are directly coupled to the servo motors via flexible couplings. Supported by a computer-controlled automatic centralized lubrication system, the guideways and ball screws receive forced lubrication to effectively guarantee high positioning accuracy, suppress thermal deformation, and achieve rapid traverse rates of up to 30 m/min.
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Hydraulic System
The core of the hydraulic station integrates premium Taiwanese components, including a variable displacement pump, high-torque hydraulic motor, and electromagnetic valves. The addition of a forced air-cooling module ensures smooth, quiet operation and effective oil temperature control for consistent performance.
Turn-Mill & Power Turret
The machine features a servo-driven spindle synchronized with a servo power turret, which can be expanded with radial (side) or axial (end) live tooling heads. These heads utilize imported precision gear transmissions, delivering superior rigidity, minimal noise, and high operational accuracy.
Machining Performance
This configuration significantly enhances machining rigidity, operational stability, and indexing accuracy, unleashing exceptional heavy-duty cutting performance. With 360° arbitrary spindle indexing (C-axis) and multi-functional capabilities (drilling, tapping, and milling on both side and end faces), complex and large-scale workpieces can be processed with high efficiency in a single setup (Done-in-One).
The core of the hydraulic station integrates premium Taiwanese components, including a variable displacement pump, high-torque hydraulic motor, and electromagnetic valves. The addition of a forced air-cooling module ensures smooth, quiet operation and effective oil temperature control for consistent performance.
Turn-Mill & Power Turret
The machine features a servo-driven spindle synchronized with a servo power turret, which can be expanded with radial (side) or axial (end) live tooling heads. These heads utilize imported precision gear transmissions, delivering superior rigidity, minimal noise, and high operational accuracy.
Machining Performance
This configuration significantly enhances machining rigidity, operational stability, and indexing accuracy, unleashing exceptional heavy-duty cutting performance. With 360° arbitrary spindle indexing (C-axis) and multi-functional capabilities (drilling, tapping, and milling on both side and end faces), complex and large-scale workpieces can be processed with high efficiency in a single setup (Done-in-One).
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The entire machine is encased in a fully enclosed protection system featuring a sophisticated industrial design with excellent sealing and waterproof performance. The sliding operator doors are engineered for effortless movement, providing smooth and easy access. For maximum operator protection, the system is equipped with a reliable safety interlock, ensuring a secure and user-friendly working environment that meets rigorous safety standards.
Product Display
Key Technical Specifications
| Item | Unit | NXX-46E | NXX-46EY | NXX-52DEY | |
| Max. Swing Over Bed | mm | Φ460 | Φ480 | Φ480 | |
| Max. Machining Length | mm | 180 (Radial) | 300 | 400 | |
| Max. Swing Over Tool Carrier | mm | Φ160 | Φ380 | Φ440 | |
| Max. Workpiece Dia. (Disk/Shaft) | mm | Φ240/Φ160 | Φ400/φ380 | Φ350/φ350 | |
| Spindle Bore Diameter | mm | Φ56 | Φ56 | Φ62 | |
| Max. Bar Capacity | mm | Φ45 | Φ45 | Φ51 | |
| Spindle Speed Range | r/min | 0–4000 | 0–4000 | 0–3000 | |
| Spindle Speed Steps | Step | CV | CV | CV | |
| Spindle Nose Type | Flange Type A2-5 | Flange Type A2-5 | Flange Type A2-6 | ||
| Main Motor Power | Kw | 5.5 | 7.5 | 11 | |
| Bed Slant Angle | ° | 30 | 30 | 30 | |
| X-axis Rapid Traverse Rate | m/min | 24 | 24 | 30 | |
| Z-axis Rapid Traverse Rate | m/min | 30 | 30 | 30 | |
| Y-axis Rapid Traverse Rate | m/min | 30 | 12 | ||
| X-axis Max. Travel (Unidirectional) | mm | 560 | 480 | 460 | |
| Z-axis Max. Travel | mm | 330 | 380 | 550 | |
| Y-axis Max. Travel | mm | 110 | 110 | ||
| X/Z-axis Servo Motor Power | KW | 1.5 | 2.4 | 3.1/2.4 | |
| Tailstock Quill Diameter | mm | Φ80 | |||
| Tailstock Quill Travel | mm | 80 | |||
| Tailstock Taper | mm | 5# | |||
| Tailstock Body Travel | mm | 480 | |||
| Spindle Radial/Axial Run-out | mm | ≤0.003 | ≤0.003 | ≤0.003 | |
| Spindle Flatness Accuracy | mm | ≤0.01/Φ100 | ≤0.01/Φ100 | ≤0.01/Φ100 | |
| Live Tool Spindle Taper Run-out | mm | ≤0.006 | ≤0.006 | ≤0.006 | |
| Repeatability Accuracy | X-axis | mm | ±0.0025 | ±0.0025 | ±0.0025 |
| Z-axis | mm | ±0.0025 | ±0.0025 | ±0.0025 | |
| Spindle (C-axis) Repeatability | mm | 0.01 | 0.01 | 0.01 | |
| Standard Turret Type | Servo Power Turret | Servo Power Turret | Servo Power Turret | ||
| Max. Tool Capacity | pcs | 12 | 12 | 12 | |
| Tool Change Time (Adjacent) | S | 0.3 | 0.3 | 0.3 | |
| Tool Size | O.D. Tool | mm | 20×20 | 25×25 | 25×25 |
| Boring Bar Diameter | mm | Φ25 | Φ40 | Φ40 | |
| Live Tooling Type | ER25 | ER25/ER32 + Y-axis | ER25/ER32 + Y-axis | ||
| Live Tooling Motor Power | Kw | 3.7 | 3.1+0.75+2.4 | 3.1+0.75+2.4 | |
| Max. Live Tooling Speed | r/min | 3000–6000 | 3000–6000 | 3000–6000 | |
| Max. Collet Capacity | mm | Φ16 | Φ16/Φ20 | Φ16/Φ20 | |
| Max. Tapping Capacity | mm | M10 | M10/14 | M10/14 | |
| Total Power Capacity | Kw | 13 | 19.5 | 24 | |
| Machine Weight (Approx.) | kg | 3500 | 3700 | 4200 | |
| Dimensions (L×W×H) | mm | 2200×1850×1950 | 2330×1970×2300 | 2635×1800×2050 | |
Frequently Asked Questions
Q1: What is the bed slant angle of the NXX series CNC turning centers, and why does it matter?
All models in the NXX series feature a 30° slant bed design. This angle improves chip evacuation, enhances operator visibility, and contributes to a more compact machine footprint while maintaining excellent structural rigidity and vibration dampening during heavy-duty machining.
Q2: What is the maximum rapid traverse rate for the X and Z axes?
The Z-axis rapid traverse rate reaches up to 30 m/min across all three models. The X-axis achieves 24 m/min on the NXX-46E and NXX-46EY, and up to 30 m/min on the NXX-52DEY, ensuring fast, efficient non-cutting movements and reduced cycle times.
Q3: Does the NXX series support Y-axis and live tooling for milling operations?
Yes. The NXX-46EY and NXX-52DEY models are equipped with a Y-axis (±55 mm travel) and a servo power turret supporting ER25/ER32 live tooling heads. This enables drilling, tapping, and milling on both radial and axial faces, allowing complex parts to be completed in a single setup.
Q4: What spindle accuracy can be expected from these machines?
The spindle radial/axial run-out is ≤0.003 mm, spindle flatness accuracy is ≤0.01 mm/Φ100, and live tool spindle taper run-out is ≤0.006 mm. Axis repeatability accuracy is ±0.0025 mm for both X and Z axes, ensuring consistent high-precision output.
Q5: What type of hydraulic system does the NXX series use, and how is oil temperature managed?
The hydraulic station integrates premium Taiwanese components including a variable displacement pump, high-torque hydraulic motor, and electromagnetic valves. A forced air-cooling module is incorporated to maintain optimal oil temperature, ensuring smooth, quiet, and consistent hydraulic performance over extended operation periods.
Q6: How many tools can the turret hold, and how fast is the tool change?
All three models are equipped with a servo power turret capable of holding up to 12 tools. The adjacent tool change time is just 0.3 seconds, significantly reducing non-productive time and improving overall machining efficiency.