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Fidia Digit 318 FH machining center is a 5-axis CNC machine, built in 2000, designed for high-speed and precision milling operations. Being a used machine, it represents an excellent option for those looking for a high-performance machining center at a reduced price. Visually, it presents itself as a robust and compact structure, with a well-defined and easily accessible work area thanks to the large openings. The construction, as typical of Fidia , guarantees high stability even during complex processes.

Main components and dimensions:

• Axes of movement: The Fidia Digit 318 FH has 5 axes with movements in three main directions:
  • X axis : 3000 mm
  • Y axis : 1000 mm
  • Z axis : 800 mm
• Electrospindle : Power of 22 kW, capable of reaching a maximum speed of 30,000 rpm, ideal for precision and high-speed machining.
• Tool holder : HSK50-E, a choice that guarantees excellent rigidity and precision in gripping tools.
• High pressure system : Used for cooling during processing, with a liquid and chip filtration system to keep the work area clean.

Mechanical characteristics:

The Fidia Digit 318 FH is designed for precise and fast machining, with the ability to operate on a wide range of materials, from metals to composite materials. The machine is equipped with a Hi-Mill CAD/CAM , which simplifies the programming of complex processes, while the Fidia CN offers complete management of the axes for simultaneous operations in 5 directions.

Usage procedure:

Using the Fidia Digit 318 FH is relatively simple thanks to the intuitive interface of the Fidia numerical control. Operators set the machining program via the CAD/CAM software and load the piece onto the work area. The high precision of the positioning of the axes and the speed of the electrospindle guarantee optimal results, reducing cycle times.

Matching accessories:

In addition to the integrated cooling and filtration system, it is possible to combine the machine with various precision tools compatible with the HSK50-E tool holder. It is also possible to connect automation devices for loading and unloading pieces, further optimizing productivity.

Mathematical formulas for optimal parameters:

To calculate optimal cutting speeds, it is important to use the formula:

$$V$$

Where:

• V_c = cutting speed (m/min)
• D = tool diameter (mm)
• N = spindle rotation speed (rpm)

Maintenance:

Good maintenance of the Fidia Digit 318 FH includes regular cleaning of the cooling system filters, lubrication of the axes and periodic checking of the spindle to ensure that the maximum speed is reached without vibrations. The control of the actuators and encoders of the axes guarantees precision over time.

Evaluation of a good used one:

When evaluating the Fidia Digit 318 FH , it is essential to check the working hours of the spindle, the state of wear of the axis guides and the quality of the cooling system. If these components are in good condition, you can be sure that you are purchasing a machine that, even when used, offers high performance at a significantly lower cost than new.

Sectors of use:

The Fidia Digit 318 FH is mainly used in the precision mechanics, aerospace, automotive and mold making sectors. Thanks to its versatility and precision, it can work on materials such as aluminium, steel and light alloys.

Purchasing this used machine offers significant advantages, especially in terms of economic savings and reliability, thanks to the robustness of Fidia .