Intro
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Forge die building: why this course exists
The eight decisions that set forge die life before the first hit, and why the build is a chain where the weakest link sets the floor.
A drop-forge shop builds two hammer dies from the same drawing, the same H13 heat lot, the same nitride vendor, and the same polish spec. One runs 220,000 cycles before scrap. The other cracks through a corner radius at 48,000. Every certificate says pass. The die fails anyway.
A forge die is not one object out of one process. It is the output of a chain of four to six vendors, each running their own step, each producing a certificate that records what they were paid to deliver. The chain is only as strong as its weakest handoff. This course is about the execution choices that decide life inside the spec window — the choices that no certificate records.