Makino Anti-Rust Unit Prevents Rust in Submerged Wire EDMing

Makino introduces its new rust-preventive technology for water-based wire EDMs. This electric anti-rust unit disrupts the oxidation process in submerged parts, eliminating manual cleaning time and maximizing profit for long run-time wire EDM processes.

“Rust has plagued EDM shops for years, and up to this point, there’s been little success in addressing it,” says Jeff Kiszonas, Makino EDM product manager. “In the past, chemical rust inhibitors have been used as additives to the dielectric fluid, but these inhibitors require monitoring to maintain concentration and can shorten the life of the deionizing resin. With the new electric anti-rust unit, we can virtually eliminate rust from long run-time wire EDM processes without any additional supervision, providing manufacturers with dramatic improvements in their long-term efficiency and profitability.”

Rust occurs on steel parts as a result of a simple chemical reaction where positive ions from the steel workpiece dissolve in the water and react with oxygen molecules to form iron oxide on the surface of the workpiece. Makino’s electric anti-rust unit addresses this issue by using a simple circuit to negatively charge workpieces, preventing the oxidation process from occurring. Machines equipped with the new electric anti-rust unit have eliminated signs of rusting in steel parts for up to 24 hours, even after machining has stopped.

The anti-rust option can be ordered on new DUO and U-Series wire EDMs or retrofitted to those existing models.

A world leader in advanced CNC machining centers, Makino provides a wide range of high-precision metal-cutting and EDM machinery, including horizontal machining centers, vertical machining centers, 5-axis machining centers, graphite machining centers, and wire and Ram EDMs. Our flexible automation solutions provide reduced labor costs and increased throughput in a variety of production volumes and designs. With Makino engineering services, we offer industry-leading expertise for even the most challenging applications across all industries.

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