25, May 2012
Sinker EDM: Deep Rib Cavities in a Multi-Cavity Injection Mold
Sinker EDM burning deep narrow rib cavities in a four-cavity H13 injection mold at 50 HRC using copper graphite electrodes and orbital flushing.
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8, May 2012
Wire EDM: Cutting Hardened Punch and Die Sets for Stamping
Wire EDM cutting of five hardened D2 progressive stamping punch and die sets at 62 HRC, holding 0.003" punch-to-die clearance with 38 hours of unattended run time.
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