Why Is Graphite Abrasive to Carbide Tools? Understanding the Material and Wear Mechanism
During a high-volume run of EDM graphite electrodes, a shop started seeing dimensional drift and rough edge finishes halfway through the batch. The operators initially suspected thermal expansion in the CNC spindle or drifting axis calibration. A quick microscopic inspection confirmed the real culprit: severe, progressive flank wear and localized micro-chipping on the carbide cutting […]
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