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News

ITC speeds graphite electrode production

ITC Tooling : 17 November, 2004  (Application Story)
Graphite Technologies is currently using a 65,000 rpm air-driven spindle for the manufacture of solid-sinking EDM electrodes.
Midlands-based Graphite Technologies plc, part of the Tokai Carbon Group, is currently using a 65,000 rpm air driven spindle for the manufacture of solid-sinking EDM electrodes. Graphite Technologies' David Law says 'We offer a comprehensive electrode machining service to mould makers in the UK. We have a range of machining centres available for electrode production, but we needed more capacity and flexibility. We are now using an air turbine spineport Interact and a Takisawa machining centre. With 65,000 rpm an constant torque this unit has allowed us to produce finely detailed electrodes with an exceptional surface finish; it has also been highly effective for machining our new high-density HK2, 15 and 75 grades of graphite. We use cutters as small as 0.0006 in diameter, with a vibration free spindle cutter life is exceptional. The Air Turbine features an R8 taper for ease of use. In 18 months operation it has performed faultlessly and required no maintenance.'
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