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96 MoldMaking Technology July 2015 Pg. 5 EDM EDM Graphite Grades Balance Metal Removal, Electrode Wear Poco Graphite offers a variety of grades of graphite that have been tailored for a range of electrode applications. All have been designed to offer a balance of metal removal rates, low electrode wear and fine surface finishes. EDM-3, for example, is widely used for production of plastic injection cavities. Electrodes made from this grade are said to excel in difficult and precision applications while providing predictable results. This is an isotropic ultrafine-grain graphite that offers high strength and wear and can be machined to thicknesses of 0.005 or less. Poco Graphite also offers an online version of its EDM Technical Manual at edmtechman.com that includes information on EDM technology and electrode material selection. Poco Graphite, an Entegris company / 940-627-2121 / poco.com EDM Wire Optimized for Makino Machines Single Source Technologies' Consumables Group offers a wire optimized for use on Makino EDMs with HyperCut technology, including U3 and U6 ma- chines. This wire technology is a result of collabo- ration between Makino and EDM wire manufacturer Bedra, which smelts, draws and coats its own ma- terials in-house. Together, the wire and HyperCut technology provide improved part accuracy and surface finish and reduced cycle time, SST says. The core material of the HyperCut wire is brass, with an outer coating of gamma-phase brass and a tensile strength 900 MPa. It is available in 0.008", 0.010" and 0.012" diameters on P5, P10, B8 and B16 spools purchased from SST. Single Source Technologies / 248-232-6232 / singlesourcetech.com For current open positions, please visit our website: www.mcmachinery.com or email: jobs@mcmachinery.com EOE M/F/D/V WHO HAS THE HIGHEST EDM INTELLIGENCE? (It's a no-brainer.) While most manufacturers can talk about EDM intelligence, only one can say they sparked a new way of thinking. Since its intro- duction in 1992, our fuzzy logic monitoring software has brought sinker efficiency to new heights. Combine that with a break- through pulse-control system that can reduce electrode wear by up to 30%, and it's easy to see why we're the obvious choice for EDM precision and profitability. Learn more at MCMachinery.com/sinker. Our Intelligent Digital Power Master Control (IDPM) circuit can save up to 30% in electrode wear.