China NXX-52DEY CNC Multi-Tasking Center - Top Suppliers & Factory for High Precision Manufacturing
Structural Features
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Engineered for High-Rigidity & Precision Multi-Tasking
To meet the rigorous demands of modern precision manufacturing for high rigidity, efficiency, and multi-tasking capabilities, this machine has undergone comprehensive reinforcement of its critical components.
To meet the rigorous demands of modern precision manufacturing for high rigidity, efficiency, and multi-tasking capabilities, this machine has undergone comprehensive reinforcement of its critical components.
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High-Rigidity Sleeve Spindle System: Optimized for heavy-duty conditions, the core features an integrated sleeve-type spindle design. It is equipped with imported ultra-precision bearings in a "three-front, two-rear" configuration, driven directly by a high-response spindle servo motor. This synergy guarantees unparalleled accuracy retention, structural rigidity, and rotational stability during high-speed, heavy-load cutting operations.
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30° Slant-Bed Foundation: The machine base is a 30° slant-bed made of high-strength cast iron, formed via the precision resin-sand casting process. The interior is reinforced with a dense, honeycomb-ribbed structure, which provides extraordinary static and dynamic rigidity while offering superior vibration damping. This design not only facilitates easier workpiece clamping and tool access but also ensures the unobstructed automatic evacuation of chips.
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High-Precision Feed System: For the motion system, the X and Z axes utilize heavy-duty linear guideways known for high rigidity and precision. These are paired with precision pre-tensioned ball screws, directly coupled to the servo motors via flexible couplings to eliminate transmission loss.
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An intelligent centralized automatic lubrication system provides continuous and effective forced lubrication to the guideways and ball screws. This system is key to achieving superior positioning accuracy, minimizing thermal displacement errors, and enabling rapid traverse speeds of up to 30m/min. By maintaining an optimal oil film, it significantly reduces friction and heat generation, ensuring consistent performance during high-speed operations.
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Hydraulic system integrates premium components from renowned Taiwanese brands, including variable displacement pumps, hydraulic motors, and solenoid valves. To ensure long-term operational stability, the system is equipped with a high-efficiency air cooler, which effectively minimizes noise levels and maintains a stable operating temperature. This combination guarantees dependable power for clamping and auxiliary movements even during intensive production cycles.
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Advanced Multi-Tasking & Heavy-Duty Milling Capability
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The machine is equipped with a high-performance servo spindle and a servo power turret with integrated Y-axis functionality, offering the flexibility to mount side-milling and end-milling live heads. The live tool transmission utilizes imported high-precision gear sets, achieving a perfect harmony of high rigidity, low noise, and extreme precision.
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This powerful drive and execution system significantly bolsters the machine's overall structural rigidity, process stability, and indexing accuracy during multi-surface machining, delivering formidable heavy-duty cutting performance. With the spindle supporting 360° arbitrary indexing, the machine integrates side and end drilling, tapping, and milling functions. This enables the complete processing of complex, large-scale, and long-shaft workpieces in a single setup, making it the ideal choice for achieving high-level process concentration.
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The machine is equipped with a hydraulic tailstock, featuring an automatic programmable quill controlled via hydraulic pressure. Designed with superior rigidity and ease of operation, it provides stable support and high-precision alignment, making it the ideal solution for the precision turning of long-shaft workpieces.
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The machine features an elegantly designed full-enclosure guard, providing excellent sealing and waterproof performance. The sliding doors are engineered for smooth and effortless operation, and are integrated with a safety interlock protection system. This ensures a clean working environment and provides comprehensive protection for operators, adhering to the highest industrial safety standards.
Main 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 Turret Sub-plate | mm | Φ160 | Φ380 | Φ440 |
| Max. Part Diameter (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 | 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 | m/min | 24 | 24 | 30 |
| Z-Axis Rapid Traverse | m/min | 30 | 30 | 30 |
| Y-Axis Rapid Traverse | m/min | 30 | 12 | |
| Max. X-Axis Travel (Unidirectional) | mm | 560 | 480 | 460 |
| Max. Z-Axis Travel | mm | 330 | 380 | 550 |
| Max. Y-Axis 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 Run-out (Radial / Axial) | mm | ≤0.003 | ≤0.003 | ≤0.003 |
| Spindle Flatness Accuracy | mm | ≤0.01 / Φ100 | ≤0.01 / Φ100 | ≤0.01 / Φ100 |
| Live Tooling Spindle Taper Run-out | mm | ≤0.006 | ≤0.006 | ≤0.006 |
| Repeatability Accuracy — X-axis | mm | ±0.0025 | ±0.0025 | ±0.0025 |
| Repeatability Accuracy — Z-axis | mm | ±0.0025 | ±0.0025 | ±0.0025 |
| 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 Indexing Time (Adjacent) | S | 0.3 | 0.3 | 0.3 |
| Tool Size — O.D. Tool | mm | 20×20 | 25×25 | 25×25 |
| Tool Size — Boring Bar Diameter | mm | Φ25 | Φ40 | Φ40 |
| Live Tooling Type | ER25 | ER25 / ER32+Y | ER25 / ER32+Y | |
| Live Tool Motor Power | Kw | 3.7 | 3.1+0.75+2.4 | 3.1+0.75+2.4 |
| Max. Live Tool Speed | r/min | 3000–6000 | 3000–6000 | 3000–6000 |
| Max. Clamping 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 |
| Machine Dimensions (L×W×H) | mm | 2200×1850×1950 | 2330×1970×2300 | 2635×1800×2050 |
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Frequently Asked Questions (FAQ)
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What are the key differences between the NXX-46E, NXX-46EY, and NXX-52DEY models?
The NXX-46E is the base model featuring a servo power turret with ER25 live tooling and a 5.5 kW main motor. The NXX-46EY adds integrated Y-axis functionality, a more powerful 7.5 kW motor, and ER25/ER32+Y live tooling for enhanced multi-surface machining. The NXX-52DEY is the most advanced variant, offering the largest machining capacity, an 11 kW motor, a hydraulic tailstock, and the highest Z-axis travel of 550 mm — ideal for long-shaft and heavy-duty workpieces.
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What is the significance of the 30° slant-bed design?
The 30° slant-bed design, made from high-strength cast iron with a honeycomb-ribbed internal structure, provides exceptional static and dynamic rigidity and superior vibration damping. This configuration also improves ergonomics for workpiece clamping and tool access, while facilitating the automatic, unobstructed evacuation of chips — contributing directly to machining accuracy and operational efficiency.
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What multi-tasking operations can these CNC turning centers perform in a single setup?
Thanks to the servo power turret with Y-axis integration and 360° arbitrary spindle indexing (C-axis), the machine can perform turning, side and end drilling, tapping, and milling — all in a single clamping. This significantly reduces setup times, minimizes positioning errors between operations, and enables the complete machining of complex, multi-feature workpieces including long-shaft and large-diameter parts.
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How does the automatic lubrication system contribute to machine accuracy and longevity?
The intelligent centralized automatic lubrication system delivers continuous forced lubrication to all guideways and ball screws. By maintaining a consistent and optimal oil film, it minimizes friction, reduces heat generation, and suppresses thermal displacement errors. This directly supports the machine's high repeatability accuracy of ±0.0025 mm on both X and Z axes, while also extending the service life of precision components during long-term, high-intensity production.
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What is the purpose of the hydraulic tailstock on the NXX-52DEY model?
The hydraulic tailstock on the NXX-52DEY features an automatically programmable quill (Φ80 mm diameter, 80 mm travel, 5# taper) controlled via hydraulic pressure. It provides stable support and high-precision center alignment for long-shaft workpieces during turning operations, preventing deflection and vibration. This makes it essential for achieving tight tolerances on elongated or heavy components that require between-center support.
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What safety and environmental protection features are built into these machines?
Each machine is equipped with a full-enclosure guard featuring excellent sealing and waterproof performance to contain coolant and chips effectively. The smooth-operating sliding doors are integrated with a safety interlock protection system that prevents the machine from operating when the door is open. The hydraulic system also incorporates a high-efficiency air cooler to minimize noise and maintain stable operating temperatures, ensuring a safe and clean working environment that meets the highest industrial safety standards.