Used DOOSAN PUMA V400 CNC vertical lathe
| Inventory Number | 810456 |
| Brand | DOOSAN |
| Model | PUMA V400 |
| Origin | South Korea |
| Location | China |
| Year of Manufacture | 2010 |
| CNC System | FANUC |
| Chuck Size | 305mm |
| Max. Swing Diameter | 496mm |
| Max. Cutting Length | 461mm |
| Spindle Speed | 3000rpm |
| Motor Power | 22kW |
Chapter 1: Equipment Overview - The Legend of South Korean Engineering
The DOOSAN PUMA V400 (Inventory #810456) represents a pinnacle of vertical turning technology from South Korea's premier machine tool manufacturer. The PUMA series has long been synonymous with heavy-duty performance and long-term reliability. Unlike horizontal lathes, the vertical architecture of the V400 utilizes gravity to its advantage, ensuring that heavy workpieces are seated securely against the chuck, which minimizes runout and enhances safety during high-speed operations. This specific unit, manufactured in 2010, has been meticulously maintained and is currently located in China, ready for immediate deployment to any global manufacturing facility.
For industrial professionals, the PUMA V400 is not just a machine; it is a proven platform for precision. Its design focuses on damping vibration and managing thermal expansion, two critical factors when machining large-diameter components. Whether you are dealing with cast iron, hardened steel, or aerospace-grade alloys, the V400 provides the structural integrity needed to maintain tight tolerances over long production runs. In the pre-owned market, a 2010 model offers the perfect balance between modern digital control features and the robust mechanical construction that Doosan is famous for.
Chapter 2: Detailed Technical Specifications - Engineered for Power
2.1 High-Torque Spindle and 22kW Motor
At the heart of the PUMA V400 is a powerful 22kW (29.5 HP) spindle motor. This high-wattage drive system is essential for heavy-duty metal removal, allowing the operator to take aggressive cuts without stalling or losing RPM. The 3000rpm spindle speed provides the versatility required to handle both heavy roughing and fine finishing. This wide speed range ensures that the machine can optimize surface cutting speeds for various tool geometries and material types, significantly improving tool life and workpiece quality.
2.2 FANUC Control System: The Global Standard
This machine is equipped with the world-renowned FANUC CNC system. Known for its uptime and user-friendly interface, FANUC is the gold standard in machine tool control. Operators familiar with G-code will find the V400 incredibly intuitive, reducing the learning curve for new staff. Furthermore, the FANUC architecture allows for seamless integration with CAD/CAM software, enabling the processing of complex tool paths for intricate geometries. The reliability of FANUC electronics also means fewer diagnostic headaches and easier access to spare parts worldwide.
2.3 Machining Envelope and Chucking
The V400 features a 305mm (12-inch) hydraulic chuck, capable of gripping large workpieces with immense force. With a maximum swing diameter of 496mm and a maximum cutting length of 461mm, this machine is ideally suited for "disk-type" parts. The vertical orientation facilitates easier loading of these heavy parts, often using a gantry or jib crane, compared to horizontal alternatives. The internal workspace is designed for optimal chip flow; metal shavings fall directly into the chip conveyor, preventing heat buildup around the spindle and ensuring consistent accuracy throughout the day.
Chapter 3: Industrial Applications - Versatility Across Sectors
The DOOSAN PUMA V400 is a workhorse in the automotive industry. It is frequently utilized for machining brake discs, flywheels, and wheel hubs. The machine's ability to handle interrupted cuts on tough castings makes it an essential asset for Tier-1 suppliers. Its high precision ensures that critical runout specifications for braking components are met every time, reducing scrap rates and increasing throughput.
Beyond automotive, the V400 excels in the energy and valve manufacturing sectors. Machining large flanges, pump housings, and valve bodies requires a machine that can handle offset loads and provide high torque at lower speeds—the V400 does exactly that. In general engineering workshops, its compact footprint allows for flexible shop floor layouts, making it possible to add high-capacity vertical turning even in facilities with limited space.
Chapter 4: Maintenance History and Mechanical Condition
The maintenance records for this 2010 unit reflect a history of professional care. The spindle bearings show no signs of excessive noise or heat, and the turret indexing remains crisp and accurate. The FANUC control cabinet is in excellent condition, with all cooling fans and filters regularly serviced to prevent electronic overheating. The way-covers have been inspected and show minimal wear, ensuring that the precision ground box ways remain protected from abrasive chips and coolant.
Hydraulic pressures have been tested and remain within factory specifications, ensuring consistent chucking force and turret clamping. The lubrication system has been flushed and verified, guaranteeing that all critical moving parts receive the necessary oil film for friction reduction. This level of maintenance ensures that the machine is not just "functional" but is ready to perform at high-intensity production levels immediately upon installation.
Chapter 5: Economic Value and ROI of a Used PUMA V400
In today’s competitive manufacturing landscape, capital expenditure (CAPEX) management is vital. Investing in a used DOOSAN PUMA V400 provides a significant strategic advantage. For a fraction of the cost of a new machine, you acquire a top-tier South Korean vertical lathe that retains 90% of its original performance capability. This lower entry cost allows shops to quote more competitively on contracts and achieve a faster break-even point.
Furthermore, the PUMA series is known for its high resale value. Should your production needs change in the future, the global demand for Doosan machines ensures that you can liquidate the asset quickly. It is a low-risk investment for growing companies that need reliable CNC capacity without the long lead times or high price tags associated with new factory orders. Choosing this V400 is an investment in both immediate productivity and long-term asset value.
Frequently Asked Questions (FAQ)
Q1: What is the primary advantage of a vertical lathe like the PUMA V400?
A: The vertical design uses gravity to help seat parts in the chuck, which is ideal for heavy, large-diameter, or irregularly shaped parts that might sag or vibrate in a horizontal lathe.
Q2: Is the FANUC system on this 2010 model still supported?
A: Absolutely. FANUC offers the best long-term support in the industry. Parts, service, and technical documentation for 2010 models are widely available worldwide.
Q3: Can this machine handle heavy roughing in stainless steel?
A: Yes, the 22kW motor and rigid box-way construction (typical of PUMA series) provide the necessary torque and damping for aggressive machining in tough materials like 304 or 316 stainless steel.
Q4: What is the footprint of the DOOSAN PUMA V400?
A: Vertical lathes are generally more space-efficient than horizontal ones. The V400 has a compact design that optimizes floor space while offering a large 496mm swing capacity.
Q5: How does the 3000rpm spindle speed benefit my production?
A: High spindle speeds allow for faster finishing passes and the use of modern carbide or ceramic tooling, resulting in better surface finishes and shorter cycle times.
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