The Charmilles Robofil 640CC EDM is a high precision CNC wire EDM machine that is perfect for a variety of applications. This machine is equipped with a 31.5" X-axis travel, 21.65" Y-axis travel, and 20" Z-axis travel, allowing for precise and accurate machining. The machine is also equipped with a high-speed servo drive system, which provides smooth and precise motion control. EDM machines use electrical discharges to cut and shape metal. The process involves submerging the workpiece in a dielectric fluid, and then using an electrode to create sparks between the workpiece and the electrode. The sparks erode the metal, creating a precise and accurate cut. Charmilles is a Swiss company that has been producing EDM machines since the 1950s. They are experts in the field of EDM, and their machines are known for their precision and reliability. The Robofil 640CC is no exception, and it is sure to provide years of reliable service.