MFG 110 · Machine Manufacturing
Session 4 · Hour 1 · Heat writes the metal
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Quench, then temper
Desk 55 · MFG 110 · booth
Temper still missing.
hard
Quench alone. A snap waits.
Quench, then temper
0/5
Anneal. Soften. Slow cool.
Normalize. Air cool. Even grain.
Quench. Fast cool. Hard.
Temper. After quench. Kind returns.
Case. Hard skin. Kind core.
CheckCompare four kindnesses. Pick a heat for a shaft, a spring, a gear. Do not invent a soak. The paper owns it. Quench without temper is a snap waiting. A whole-hard gear is a brag.