If you are looking for a reliable and powerful machining center for your company, the Doosan Daewoo DNM 650 II is an excellent option. This used machine, built in 2015 , is a very advantageous choice for those who want to increase their production capacity without having to face the cost of a new machine. In excellent condition and ready for use, this CNC machining center offers high-quality performance and versatility that makes it suitable for a wide range of applications.
The Doosan Daewoo DNM 650 II is equipped with a very generous working area: the travel on the X axis reaches 1270 mm , that on the Y axis at 670 mm and on the Z axis at 625 mm . These measurements allow you to machine large pieces with maximum precision. The table measures 1300 x 670 mm and has a load capacity of up to 1000 kg , so it can handle heavy and bulky pieces without problems.
One of the most interesting elements of this machinery is the spindle with ISO SK 40 connection , which reaches a maximum speed of 8000 rpm . Thanks to the power of the 18.5 kW (for 15 minutes), this machining center offers excellent performance even for processes that require high speeds. The tool changer can accommodate up to 30 tools , which ensures quick change and greater operational efficiency, especially in series production.
The Doosan Daewoo DNM 650 II is particularly versatile and can be used for processing different materials such as steel, aluminum and other metals. HEIDENHAIN CNC control , known for its precision and ease of programming, ideal for complex and high-precision machining.
The machine is also prepared for a fourth axis, with the addition of a Nikken for the fourth and fifth axis, allowing even more complex machining of three-dimensional parts. This makes the Doosan Daewoo DNM 650 II a perfect solution for companies operating in sectors such as automotive, aerospace or precision engineering.
To optimize the operation of the Doosan Daewoo DNM 650 II , it is essential to calculate the ideal cutting parameters. For example, cutting speed ( Vc ) can be calculated using the formula:
Vc=π⋅D⋅n1000Vc = \frac{\pi \cdot D \cdot n}{1000}
Where:
Furthermore, the feed per tooth ( fz ) is calculated as:
fz=Vfn⋅zfz = \frac{Vf}{n \cdot z}
Where:
Using these formulas, it is possible to guarantee that the machine works optimally, improving the quality of the work and reducing tool wear.
Regular maintenance is essential to keep your Doosan Daewoo DNM 650 II in perfect condition. Periodically checking the cooling system and chip conveyor is essential to ensure smooth operation and prevent blockages. The machine is also equipped with an integrated cooling device, which ensures temperature control during the most intensive processes.
This machining center complies with CE safety regulations, but as with any used machine, it is important to check the correct functionality of all safety systems, such as emergency buttons and physical protections.
The Doosan Daewoo DNM 650 II is perfect for a variety of industries, including industrial automation, mechanical parts manufacturing, aerospace and automotive industries. Buying it used represents an excellent opportunity, as it allows you to obtain a high-performance machine at a much lower price than new. With €75,000 , you can get a complete CNC machining center, already tested and ready to use, without having to wait for long delivery times. Furthermore, since it is a used but well-maintained machine, the risk of malfunctions is minimal, and you can immediately benefit from your investment.
In conclusion, the Doosan Daewoo DNM 650 II , with its excellent technical characteristics, reliability and ability to process large pieces, is an excellent deal for those who want to expand their production capacity without facing the costs of a new machine. Available immediately, it represents an unmissable opportunity for those looking for a high-performance and versatile machine.
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