The Doosan DNM 400 II machining center represents one of the most robust and reliable solutions for precision machining. This used machine, built in 2016, was designed to meet a wide range of industrial applications, ensuring efficiency and high performance. It is ideal for those seeking a versatile machining center capable of precisely machining various materials, with the advantage of being available at a competitive price. Below, I will provide all the technical details of the machine to help you understand its quality and potential.

1. Description and Components

The Doosan DNM 400 II is a 3-axis vertical machining center, constructed from high-quality materials and engineered for precision and reliability. The machine features a robust design, with a monoblock structure that minimizes vibration and improves machining quality. The column and base of the machine are made of high-rigidity cast iron, contributing to high stability during operation.

Physical characteristics:

• Table size (XY): 920 mm x 435 mm
• X-axis travel: 762 mm
• Y-axis travel: 435 mm
• Z-axis travel: 510 mm

These dimensions make it suitable for precision machining on medium-sized pieces, while ensuring excellent load capacity for the table.

2. Control and Programming

The Doosan DNM 400 II machining center is equipped with a Siemens , which allows for simple and intuitive programming. The Siemens control is renowned for its reliability and precision, and can handle complex milling operations with a high degree of automation.

Tool warehouse:

• Number of seats: 30 seats
• The tool magazine is designed for quick tool changes, reducing downtime and increasing machine productivity. This is especially useful for machining operations that require multiple tools or complex operations.

3. Mechanical Characteristics

The Doosan DNM 400 II stands out for its advanced mechanical features, such as the integrated position encoder system, which ensures continuous precision during machining. This system continuously monitors the position of the axes, ensuring extremely tight tolerances even during the longest and most complex jobs.

4. Workable Materials

The Doosan DNM 400 II machining center is ideal for a wide range of materials, including:

• Steel: for the production of strong and durable parts.
• Aluminum: for applications requiring lightness and high precision.
• Plastic materials: for delicate and precision work.
• Copper and brass: for milling operations and complex machining.

Thanks to its power and precision, this machine is particularly suitable for sectors such as automotive, industrial component processing, and the production of high-precision equipment.

5. Use and Procedure

The Doosan DNM 400 II is designed for simple and efficient use. The machine starts up via the Siemens control system, which allows for quick and customizable programming. Once tools are selected from the 30-slot magazine, tool changes occur automatically, reducing setup times.

The operator can monitor the manufacturing process via the control panel, optimizing the work cycle according to the specific needs of the job.

6. Maintenance and Safety

Proper machine maintenance ensures optimal performance over time. To keep the Doosan DNM 400 II in top condition, it's essential to perform periodic checks on lubrication, tool wear, and the cooling system. Furthermore, the machine is equipped with advanced protection systems that prevent malfunctions in the event of operational errors.

Safety:

Doosan DNM 400 II machining center can be adapted to current safety regulations through targeted interventions. For example, operator guards and emergency devices can be installed to ensure safety during operation.

7. Sectors of Use

The Doosan DNM 400 II is a very versatile machine and finds application in various industrial sectors, including:

• Automotive: for the production of high-precision components.
• Aerospace: for the machining of metal and composite parts.
• Precision mechanics: for the production of parts with millimetric tolerances.
• Molds and equipment: for the processing of inserts, tools and other components.

8. Advantages of Buying Used

Buying a Doosan DNM 400 II is an excellent investment for those seeking a high-quality machine at an affordable price. This model, with its robust construction and high-precision components, offers high performance even under heavy use. The main advantage of purchasing a used machine is the cost savings without compromising quality and production capacity.

9. Conclusions

The Doosan DNM 400 II , built in 2016 and available in excellent condition, is a precision machine that guarantees high performance, versatility, and robustness. Thanks to its Siemens control system, 30-slot tool magazine, and ability to machine a variety of materials, it is suitable for a wide range of applications. Investing in a machining center like the Doosan DNM 400 II means obtaining a machine that meets the needs for precision and reliability, optimizing work times and increasing productivity.

Buying a used machine like the Doosan DNM 400 II allows you to obtain excellent value for money, with the guarantee that the machine has performance comparable to that of a new model, compared to a considerable saving.