The Charmilles Robofil 4020 SI represents a high-performance wire EDM solution, perfect for a wide range of industrial applications. This model, built in 1998, is an excellent choice for those seeking a used machine in mint condition, ready to support precision operations with maximum reliability. Not only has it demonstrated a long service life, but its robust design and performance make it an ideal investment.

Visually, the Charmilles Robofil 4020 SI features a solid structure with a sturdy support base that ensures stability during the machining process. The worktable dimensions are 1150 mm wide and 725 mm deep, perfect for accommodating large workpieces with a 450 mm X-axis, 320 mm Y-axis, and 162 mm Z-axis travel, allowing for precise machining of large-format components. The overall weight of the machine is approximately 3340 kg, confirming its robustness.

Technically, this machine is equipped with 12 kW motors that power the wire EDM process, with wire diameters ranging from 0.1 to 0.3 mm. The machine features an advanced automatic wire feeding system and a 900-liter dielectric tank, essential for ensuring cooling during the machining process. The Charmilles control unit ensures the quality and precision of the numerical control during operations.

Using the Charmilles Robofil 4020 SI is simple but requires careful attention. The machine must be set up correctly for each type of workpiece, and the erosion wire must be selected based on the material and required tolerances. It is essential to keep the dielectric reservoir clean and monitored to ensure optimal performance and avoid overheating.

This machine can process a variety of metals, including steels, hard alloys, copper, and tungsten, making it suitable for industries such as automotive, aerospace, and industrial equipment manufacturing. It is ideal for high-precision parts, such as dies and molds, that require tight tolerances.

Regarding maintenance, it's essential to follow a regular routine, which includes cleaning the erosion wire, checking the motors, and monitoring the cooling system. Periodically checking the dielectric filtration system and keeping the electrical components in good condition is essential to prolonging the machine's lifespan.

If CE certification is not available, the machine can be brought into compliance with current safety regulations by updating the control system, installing safety devices, and adopting standard practices for used machines. Purchasing a used machine like the Charmilles Robofil 4020 SI is an excellent option, as it offers excellent value for money, maintaining high performance without the high cost of a new machine.

Overall, the Charmilles Robofil 4020 SI is a used machine that represents a solid choice for those seeking precision, reliability, and affordability. Thanks to its long life and proven Charmilles quality, it can efficiently meet the needs of various industrial applications