Uncoated vs Diamond Coated End Mills for Graphite Machining: Why Coating Matters
While engineering a tooling setup for a European mold and electrode manufacturer, we encountered a classic issue: the shop ran uncoated carbide end mills on graphite electrodes. Initial test cuts looked clean, but edge wear accelerated rapidly after just a few parts. The graphite showed severe corner chipping, dimensional drift, and loss of surface consistency. […]
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