Used Doosan PUMA AW660II CNC Lathe: Specifications and Production Capability
Author：JINYI Date：2026-04-15
The Doosan PUMA AW660II is a heavy-duty CNC turning center engineered for high-torque material removal and large-diameter part processing. Featuring a 660mm swing and a robust 37kW spindle motor, this machine delivers the rigidity required for demanding shop environments. This unit (Stock #811632) is in-stock and available for immediate inspection—an ideal solution for facilities scaling capacity in automotive, aerospace, or industrial mold manufacturing.
Technical Specifications & Production Capability
Reviewing the technical parameters of the PUMA AW660II is critical to determining its fit your production needs workflow. Below are the key specifications for this 2016 model:
| Feature | Specification |
|---|---|
| Model | Doosan PUMA AW660II |
| Origin | South Korea |
| Max Turning Diameter | Φ660 mm |
| Spindle Motor Power | 37 kW |
| Max Spindle Speed | 2000 rpm |
| Max Spindle Torque | 537 N·m |
| X-axis Travel | 362 mm |
| Z-axis Travel | 720 mm |
| Rapid Traverse (X/Z) | 16 / 20 m/min |
| Tool Capacity | 12 Stations |
Translating Specs to Shop Floor Reality
- 37 kW Spindle Motor & 537 N·m Torque: This is the machine's primary advantage. It is built for heavy-duty roughing. If your production involves hogging out material from steel, cast iron, or forged components, this torque rating ensures the machine maintains power without stalling under heavy cuts.
- Φ660 mm Turning Diameter: This provides the work envelope required for large-diameter components, such as transmission housings, large flanges, or valve bodies. It positions the machine as a mid-to-large capacity lathe rather than a small-part production unit.
- 2000 rpm Spindle Speed: While not a high-speed finishing lathe, the 2000 rpm limit is optimized for the torque required for heavy turning. It is ideal for processes where the Material Removal Rate (MRR) is more critical than surface finish speed on small diameters.
- 12-Station Turret: The 12-tool capacity supports complex part programs requiring multiple turning, facing, drilling, and boring operations, minimizing manual tool changes and maximizing machine uptime.
Application Suitability
The PUMA AW660II is a versatile workhorse suitable for a variety of industrial applications. Its rigid construction makes it particularly effective for:
- Automotive: Production of transmission shafts, gears, and heavy-duty hubs.
- Aerospace: Turning structural components and large casings where material integrity and heavy cuts are required.
- Mold Making: Machining large mold bases and inserts that require consistent torque over long cycle times.
- Energy & Infrastructure: Manufacturing valves, flanges, and fittings for oil, gas, or water systems.
If your tooling setup involves heavy boring bars or large drills, the machine's structural rigidity and 720mm Z-axis travel provide the necessary support to maintain accuracy throughout the cut.
Machine Selection: Is This the Right Fit?
When selecting a used CNC lathe, the decision should be driven by the balance between your part size and the machine's power. The AW660II is not intended for high-production, small-part turning where rapid cycle times on light aluminum parts are the priority. Instead, it is the correct choice for shops dealing with:
- Heavy Material Removal: If your current machines struggle with chatter or stalling on heavy cuts, the 37kW motor on this unit is the solution.
- Medium-to-Large Part Geometry: The 660mm swing accommodates parts that exceed the capacity of standard 8-inch or 10-inch chuck lathes.
- Operational Stability: The design emphasizes structural rigidity, which is critical for maintaining tolerances on parts that require multiple passes.
Is This Machine Right for Your Production?
This machine is a strong candidate if:
- You are currently outsourcing large-diameter turning work due to capacity limits.
- Your production requires heavy roughing of steel or forged components.
- You need a reliable, high-torque machine to act as a primary workhorse for mid-sized parts.
This machine may not be the right fit if:
- Your production is strictly limited to small, high-precision electronic components (where a smaller, faster lathe would be more efficient).
- You require ultra-high spindle speeds (>4000 rpm) for finishing non-ferrous, small-diameter parts.
Frequently Asked Questions
What does the 660mm swing mean for my part sizing?
The 660mm swing refers to the maximum diameter of the workpiece that can rotate over the bed ways. In practice, this allows you to load parts up to 660mm in diameter, making it suitable for large flanges, housings, and heavy shafts.
Is the 2000 rpm spindle speed sufficient for my needs?
The 2000 rpm limit is standard for heavy-duty lathes of this class. It is designed to prioritize torque and cutting force over high-speed finishing. It is ideal for roughing and semi-finishing operations on steel and cast iron.
Can this machine handle heavy-duty roughing?
Yes. With a 37kW spindle motor and 537 N·m of torque, this machine is specifically built to handle aggressive material removal rates, making it an excellent choice for heavy-duty production environments.
Is this machine suitable for high-production small parts?
While capable, it is likely oversized for small-part production. This machine is optimized for mid-to-large size components where high torque is more important than high-speed cycle times.
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