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I was pouring aluminum with the wrong gating setup for years
I was working on a bronze gear pattern last week, and the casting kept getting cold shuts. My boss, a guy named Frank who's been at our shop in Toledo for forty years, watched me for five minutes. He pointed out my sprue was way too narrow, choking the flow. I'd been taught to keep it small to save metal, but it was costing me good castings. What's the biggest basic thing you got wrong for a long time?
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shane_bell5mo ago
Yeah, that "stuck" feeling is real. I spent my first two years as a machinist convinced my finish passes had to be super slow. I was terrified of chatter. Turns out I was going so slow the tool was just rubbing and work-hardening the surface. My mentor finally showed me how a faster, confident cut actually gave a cleaner finish.
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brown.angela6mo ago
Holy crap, forty years in the same shop? That's wild.
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sam4376mo ago
Man, I used to think staying that long meant you were stuck or something. But seeing someone put in forty years at one place, they must really know their stuff inside and out. That kind of steady commitment is actually pretty rare now. It makes you respect the craft a lot more.
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