THE CHALLENGE Over the years, Walker Forge in Clintonville, Wis., has stayed at the forefront of die-machining technologies. The company designs and builds its own forging dies to serve the transportation, energy, agriculture and construction industries. It strives to accurately produce these dies in carbon, alloy and stainless steel. The company regularly accommodates quick lead-times—often in under a week—and cannot rely on outsourcing of its work. It needed high-speed milling capabilities that were accurate and reliable. THE SOLUTION Walker Forge switched from using graphite electrode- based EDM sinkers to high- speed milling. It purchased a Makino GF6 vertical machining center and went through technical training at Makino’s Auburn Hills, Mich., facility to get the most out of its n

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