The Donatoni Quadrix F1 , code 17-19, is a used CNC bridge saw designed for cutting and shaping marble, granite, stone, and sintered materials. Visually, the machine appears robust and well-structured, with a head that rotates 370° and tilts up to 90°, allowing for complex and custom cuts, such as circular, oblique, elliptical, or inclined cuts. Thanks to these features, the Quadrix F1 is perfect for precision machining in full or incremental passes.

In terms of dimensions, the model offers a Z-axis travel of 450 mm and can accommodate a cutting blade with a maximum diameter of 625 mm. It also features a tilting cutting table, which facilitates material handling operations, making it versatile for small and medium-scale projects. This milling machine is often used in artisanal and industrial contexts, particularly in companies that work with hard materials and require high precision in machining.

The mechanical features of the Donatoni Quadrix F1 include the ability to perform automatic or semi-automatic cuts and configure two-dimensional and three-dimensional machining. The CNC numerical control allows the machine to be programmed to precisely execute straight, concave, and convex shapes. The machine is ideal for sectors such as street furniture and natural stone, where complex and precise shapes are required.

For optimal machine use, it's important to consider formulas that regulate feed rate based on the material and disc diameter. For example, the optimal cutting speed (V) can be calculated using the formula:

$V$

Where:

• DD $D$ is the diameter of the disk,
• nn $n$ is the number of revolutions per minute (RPM).

The Quadrix F1 works effectively on materials such as marble, granite, and other natural stones, but with the right accessories, it can also process composite or sintered materials. Useful accessories include diamond blades of various sizes and tools for three-dimensional shaping.

Maintenance of the Donatoni Quadrix F1 includes regular wear checks on the disk and mechanical actuators, as well as lubricating the axes to ensure smooth and precise movements. As a used machine, it's important to inspect the CNC and swivel head, as well as the tilting table, to ensure all components are in good condition. The presence of user and maintenance manuals and compliance with current safety standards (if CE marked) are indicators of a good purchase.

Purchasing a Donatoni Quadrix F1 can be very advantageous, as it allows you to save on costs without compromising the quality and precision of your work. This machine is used in the construction, design, and building materials processing sectors.

 Code 17-19