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Knowledge check (8 of 8)

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Lesson 10·Running Forge Dies

Maintenance options: polish, repolish, weld repair, re-nitride, re-coat, scrap

Match a wear mode to a maintenance action. Know when polish buys real life and when it hides a crack, when TIG weld is the right call versus a coin flip versus never, what re-nitride and re-coat actually recover, and when scrap is the right answer.

7 min readLesson 10 of 13

Knowledge check

A maintenance lead wants to TIG-weld a chipped corner on a fully nitrided H13 die. The die has no strip-and-reprocess capability planned and the shop's preheat is a propane torch held by hand. List three reasons this is the wrong call before anyone strikes an arc.