diamond coated end mills for graphite

How to Optimize Graphite End Mill RPM for Better Tool Life and Surface Finish

While helping a European client optimize their graphite electrode machining, we ran into a very typical issue. They were using the exact same graphite end mill across various electrode sizes. Despite adjusting feed rates, tool life stayed wildly unpredictable. Some tools lasted hours without issue. Others showed chipped edges and severe wear after cutting just […]

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