Common Mistakes to Avoid When Milling Steel Above 60 HRC
A long-established mold manufacturing plant in Ohio recently reached out to us regarding a critical failure. They were machining a stamping die made from D2 tool steel, hardened to HRC65. The client was frustrated; their “high-performance” tools were failing in less than 15 minutes. Every carbide end mill cutter either exhibited extreme flank wear or
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