Modern machine tools continue to make technical advances, thanks in large part to ongoing improvements and fine-tuning in computer numerical control (CNC) machining. Over the past 60 years or so, CNC ...
A 3-mm ballnose cutter re-roughs a 50 Rc H13 toolsteel mold at 15,000 rpm and 120 ipm. High speed spindles are application specific, sophisticated, delicate and expensive. Here is how one manufacturer ...