Dean Heavy-Duty Machining Series | Serving the Oil & Gas, Wind Power, and Shipbuilding Industries
Dean Heavy-Duty Machining Series | Serving the Oil & Gas, Wind Power, and Shipbuilding Industries
In heavy‑industry sectors such as oilfield equipment, construction machinery, wind power, and shipbuilding, machining large tubes and shafts, flanges, heavy rotary components, and multi‑faceted housings has long been a manufacturing challenge: the workpieces are large with high cutting loads, placing stringent demands on machine tool rigidity, spindle torque, and long‑term accuracy retention. Shenming Technology has focused on developing heavy‑duty machining solutions based on Dean Machine Tools; the four models below are specifically designed for large‑part, heavy‑load machining applications, covering everything from long‑shaft turning and heavy vertical lathes to horizontal box‑type machining, thereby forming a comprehensive product portfolio for large‑part processing.

PUMA 5005 / M / L / LM / XL / XLM|High-Efficiency Medium-to-Large Horizontal Turning Center
It serves a wide range of applications in the oil and gas and construction machinery sectors, particularly heavy-duty cutting scenarios, with a maximum machining length of up to 3 meters, specializing in various large tubular and shaft-type workpieces.
✅ Core Advantages
- 45° low center of gravity and widened inclined bed, optimized via FEM finite element structural analysis for enhanced vibration resistance.
- The X/Z axes feature an all-hard-rail structure, offering high load capacity and effortlessly handling continuous heavy cutting with large material removal rates.
- A high-performance gearbox spindle paired with a servo-motor-driven turret delivers ample low-speed torque, enabling both roughing and finishing operations to be completed in a single setup.
Key specifications: Maximum spindle speed: 1500 r/min | Spindle motor power: 45/37 kW X/Z travel: 362 {1105,2155,3150} mm | Maximum spindle torque: 4038 {2958 (M)} N·m
NHP 6305 2ND|High-Speed & High-Productivity Class 600 #50 Horizontal Machining Center
Designed for automotive components, precision mechanical multi-sided housings, and shell-type parts, it is a second-generation upgraded horizontal machining center.
✅ Core Advantages
- Equipped with a high-speed built-in electric spindle, it balances high productivity with machining efficiency.
- Three-point bed structure design reduces the footprint while ensuring rigidity.
- Significant performance improvements in the second-generation model: axis acceleration/deceleration increased by 20%, spindle start/stop time reduced by 15%, table indexing speed up by 35%, and tool change speed up by 30%; standard equipped with lead screw core + nut cooling for enhanced thermal stability. 📌 Key specifications: Maximum spindle speed: 12,000 {8,000, 15,000} r/min | Spindle motor power: 24/45 {37/55, 30/37} kW | Maximum spindle torque: 600 {1,202, 398} N·m | X/Y/Z travel: 1,050/900/100 mm
PV 9305 | High-Productivity Vertical Turning Center
It serves heavy-industry sectors such as automotive, construction machinery, railways, and shipbuilding, specializing in large-size rotating components including heavy-duty brake drums/discs, large slewing drive parts, and marine stern shaft systems.
✅ Core Advantages
- Integrated hard rails on the columns plus a reinforced bed frame ensure robust rigidity for the entire machine.
- High-power spindle configuration delivers robust cutting performance.
- Excellent vertical lathe turning capabilities, ideal for high-volume machining of large-diameter disc-shaped and rotary parts 📌 Key specifications: Maximum spindle speed: 1800 r/min | Spindle motor power: 45/37 kW X/Z travel: 485/890 mm | Maximum spindle torque: 4444 N·m

PUMA 605XL / 705XL / 805XL | High-Efficiency Large Horizontal Turning Center
Specifically designed for large pipe shafts and flange components, it has been widely adopted in the oil and gas, construction machinery, wind power, and shipbuilding industries.
✅ Core Advantages
- The bed frame has been optimized through FEM finite element simulation, ensuring a stable and reliable structure.
- 45° slanted bed with a low center of gravity design to suppress chatter during machining of long workpieces.
- High-performance gearbox spindle with ample torque reserve, suitable for heavy-duty cutting of high-strength alloy steel. 📌 Key specifications: Maximum spindle speed: PUMA605XL: 1800 r/min; PUMA705XL: 1500 r/min; PUMA805XL: 750 r/min Spindle motor power: 55/45/37 kW | Maximum spindle torque: 6622 N·m (605XL); 8076 N·m (705XL/805XL) X/Z travel: 470/5100 mm

As an officially authorized dealer of Dean Machine Tools, Beijing Shennaming Technology offers integrated services—including machine tool selection, process development, trial cutting verification, and delivery & operation support—tailored to heavy‑duty, large‑part machining. If you have machining needs for long tubular shafts, flanges, heavy‑duty disc components, or multi‑faceted housings, please contact us for a process‑solution assessment.

