Roughing Endmills for Steel in Mold & Die Manufacturing: Best Practices
During a technical consultation with the chief process engineer at a long-established German mold manufacturer, he showed us several worn-out roughing endmill for steel tools. Every single cutter exhibited severe micro-chipping and thermal cracks on the cutting edges. They had been machining an H13 die-casting mold (HRC 48–52) for an automotive headlight bracket. Machine spindle […]
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