Speeds and Feeds Guide: Operating a Diamond End Mill for Ceramic Efficiently
While setting up an automated line for a German automotive supplier processing alumina (Al2O3) substrates, we hit a familiar wall. Seeking faster cycle times, their engineers applied high-hardness steel parameters directly to CVD diamond-coated tooling. Within three minutes, the cutting edges suffered micro-flaking, severe edge chipping ruined the substrates, and the entire batch was scrapped. […]
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