Why Customers Prefer the Doosan DBC 130L II CNC Table Type Horizontal Boring Milling Machine

The Doosan DBC 130L II CNC Table Type Horizontal Boring Milling Machine is highly favored by customers in various industrial sectors due to its advanced technology, robust construction, precision, and versatility. Below is a detailed technical explanation of why this machine is preferred:

1. Robust Construction and Rigidity

The Doosan DBC 130L II is built with a focus on durability and rigidity, which are essential for maintaining precision during heavy-duty machining operations:

• High-Grade Cast Iron Structure: The machine’s bed, column, and spindle head are constructed from high-grade cast iron, providing excellent damping properties and reducing vibrations. This ensures stability during heavy cuts and enhances machining accuracy.
• Box-Type Column: The column features a box-type design, which offers superior rigidity compared to other configurations. This design can withstand high cutting forces, making it suitable for heavy-duty applications.

2. Precision and Accuracy

Precision and accuracy are critical for any machining operation, and the DBC 130L II excels in these areas through several advanced features:

• High-Precision Ball Screws: The machine is equipped with high-precision, pre-tensioned ball screws on all axes, ensuring minimal backlash and precise positioning. This is crucial for maintaining tight tolerances and achieving high-quality surface finishes.
• Linear Scale Feedback: The DBC 130L II utilizes linear scale feedback on the X, Y, and Z axes to provide real-time positional feedback. This enhances the accuracy of the machine’s movements and ensures consistent precision.
• Spindle Thermal Control: The machine incorporates advanced thermal control systems for the spindle, minimizing thermal deformation and maintaining accuracy over long machining cycles.

3. Powerful Spindle

The spindle is a crucial component in any machining center, and the DBC 130L II offers a powerful and versatile spindle system:

• High-Torque Spindle: The machine features a high-torque spindle with a maximum speed of 2,500 RPM, capable of delivering 45 kW (60 HP) of power. This allows for efficient machining of tough materials such as titanium, Inconel, and hardened steels.
• Gear-Driven Spindle: The gear-driven spindle design provides high torque at low speeds, making it ideal for heavy-duty cutting operations. The gears are precision-ground and hardened, ensuring smooth operation and long-term reliability.
• Spindle Cooling System: The integrated spindle cooling system maintains optimal operating temperatures, ensuring consistent performance and extending spindle life.

4. Versatile Boring and Milling Capabilities

The DBC 130L II is designed to handle a wide range of boring and milling operations, making it highly versatile:

• Large Work Envelope: The machine boasts a spacious work envelope, with X-axis travel of 4,000 mm (157.5 inches), Y-axis travel of 2,000 mm (78.7 inches), and Z-axis travel of 1,600 mm (63 inches). This allows for the machining of large and complex workpieces in a single setup.
• Rotary Table: The machine is equipped with a built-in rotary table with a load capacity of up to 25,000 kg (55,116 lbs). The table can rotate 360 degrees, enabling multi-face machining and improving machining efficiency.
• W-Axis Capability: The DBC 130L II features a W-axis for the spindle quill, providing an additional 700 mm (27.6 inches) of travel. This capability enhances the machine’s versatility and allows for deep hole boring and machining of complex geometries.

5. Advanced Automation and Control

Automation and advanced control systems are essential for enhancing productivity and ease of use, and the DBC 130L II incorporates several advanced features:

• FANUC CNC Control System: The machine is equipped with a state-of-the-art FANUC CNC control system, offering high processing speeds, intuitive programming, and advanced error compensation algorithms. This control system simplifies operation and programming, increasing productivity.
• Automatic Tool Changer (ATC): The machine features a large-capacity ATC with up to 60 tool pockets, allowing for continuous machining without manual tool changes. This reduces downtime and increases efficiency.
• Probing Systems: Integrated probing systems for tool and workpiece measurement enhance accuracy and reduce setup times. These systems provide real-time feedback and automatic adjustments, ensuring precise machining.

6. High-Speed and Efficient Axis Movement

The DBC 130L II is designed for high-speed and efficient axis movement, ensuring rapid and precise machining:

• High-Speed Axis Drives: The machine is equipped with high-speed axis drives that enable rapid traverse rates and quick positioning. This reduces non-cutting time and increases overall machining efficiency.
• Linear Guideways (Optional): For applications requiring high-speed and smooth movement, the DBC 130L II can be configured with linear guideways. These guideways reduce friction and enhance movement precision, contributing to higher machining accuracy and surface quality.

7. Flexibility in Machining Applications

The DBC 130L II offers versatility and flexibility, making it suitable for a wide range of machining applications:

• Wide Range of Accessories: A variety of accessories and options are available, including angle heads, facing heads, and high-pressure coolant systems. These accessories enhance the machine’s capabilities and allow for customization to specific machining requirements.
• Multi-Axis Capability: The DBC 130L II supports multi-axis machining, enabling the production of complex geometries and intricate features. This capability is essential for industries such as aerospace, automotive, and heavy machinery, where precision and complexity are critical.
• Substantial Load Capacity: With its large work envelope and high load capacity, the machine can handle large and heavy workpieces, making it ideal for heavy industry applications.

8. Enhanced Safety and Ergonomics

Safety and ergonomics are critical considerations in machining, and the DBC 130L II addresses these through thoughtful design:

• Enclosed Work Area: The machine features a fully enclosed work area, containing chips and coolant and protecting operators from potential hazards. This design also helps maintain a clean and safe working environment.
• Ergonomic Design: The operator interface and control panel are designed for ease of use and accessibility. Ergonomic placement of controls and clear visibility of the work area enhance operator comfort and reduce fatigue during long machining sessions.
• Safety Features: The machine is equipped with multiple safety features, including emergency stop buttons, interlocks, and protective covers. These features ensure safe operation and compliance with industry safety standards.

9. Reliability and Low Maintenance

The DBC 130L II is designed for reliability and low maintenance, ensuring long-term performance and reduced operating costs:

• High-Quality Components: The use of high-quality components and materials ensures durability and longevity. This reduces the frequency of maintenance and repairs, minimizing downtime and maximizing productivity.
• Condition Monitoring: The machine is equipped with condition monitoring systems that provide real-time feedback on the health and performance of critical components. This allows for proactive maintenance and early detection of potential issues, preventing unexpected breakdowns.
• Easy Maintenance Access: The design of the machine provides easy access to maintenance points, simplifying routine maintenance tasks and reducing maintenance time.

10. Comprehensive Support and Service

Doosan provides comprehensive support and service, ensuring that customers can maximize the benefits of their investment:

• Technical Support: Extensive technical support is available, including installation, training, and troubleshooting assistance. This ensures that operators can effectively use the machine and address any issues promptly.
• Spare Parts Availability: A robust supply chain ensures the availability of spare parts, reducing downtime and maintaining operational efficiency.
• Training Programs: Comprehensive training programs are offered for operators and maintenance personnel, ensuring that they have the skills and knowledge to operate and maintain the machine effectively.

Conclusion

The Doosan DBC 130L II CNC Table Type Horizontal Boring Milling Machine is preferred by customers due to its robust construction, high precision, powerful spindle, versatile boring and milling capabilities, advanced automation, high-speed axis movement, flexibility, safety, reliability, and comprehensive support. These features make it an invaluable asset for industries requiring high-quality, efficient, and reliable machining solutions. By investing in the DBC 130L II, manufacturers can achieve outstanding results, meet diverse machining requirements, and ensure long-term success.

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