![]() “In previous generations, when the wire on the EDM broke, it had to be cut and go back to the start point and retrace through the wire kerf to the break point and re-start machining,” said Bystrek. This provides two advantages: time savings and maximum unattended time. It’s the best way to improve reliability and reduce machine downtime.”īy annealing the wire, users can thread (while submerged) almost any size start hole reliably and thread directly through the gap at the break point. “It’s why we recommend annealing the wire to make it as straight as possible by removing memory from being wound on the spool. ![]() “Without reliable wire threading the process is pretty much worthless,” said Bystrek. The two key considerations for cost-effective wire EDM performance are reducing wire consumption and auto threading the wire itself. This allows us to slow the wire speed down without impacting machine performance while reducing wire consumption by over 60 percent over previous models,” said Bystrek. Making that possible is incorporation of fiber optics and the High-Speed Spark Detection System, which optimizes the spark shape to remove more workpiece material while reducing wear on the wire. “The steps we’ve taken on the wire side with our MV series have reduced hourly cost significantly by reducing wire electrode consumption. Mike Bystrek, national wire EDM product manager, and Pat Crownhart, national sinker EDM product manager, for MC Machinery Systems Inc., Elk Grove Village, Illinois, describe the challenge to EDM technology to produce the fastest, lowest cost and most accurate ways to manufacture workpieces. Wire EDM and sinker EDM each have benefited from technologies that lower the cost of manufacturing. The new AgieCharmilles CUT C 350 wire EDM has a cost-effective $99,000 starting price point provides optimized cutting speed and reliable accuracy and its AC CUT HMI 2 system makes for easy programming through efficient EDM expert modules, according to the manufacturer.Īt the same time, as more traditional machining processes are advancing their capabilities, EDM, and especially wire EDM, is finding new applications in additive manufacturing by cutting off high-value 3D printed components from their backing plates or in precision hole drilling for aerospace engines. ![]() Machine tool builders continue to tackle EDM improvements by increasing operating speeds, reducing wire consumption, improving auto threading for lights-out operation and improving spark generating power supplies. Manufacturers of products as diverse as die and mold, aerospace and medical devices are gaining advantage with improved wire and sinker electrical discharge machines (EDM). Advanced EDM technology is putting more and better parts in the bin faster ![]()
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