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Old guy at the Milwaukee plant told me to always pre-heat the ladle for gray iron, even in summer.
I figured with the heat wave we had, skipping it on a short run wouldn't hurt. Ended up with a cold shut in a whole batch of gear blanks for a local tractor company. Cost us half a day to re-pour and clean the molds. Anyone else run into this with specific alloys?
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nancys903mo agoMost Upvoted
Yeah, that "even in summer" bit is so true. I learned the hard way with ductile iron last August, thought the ambient heat would cover it. Got a nasty slag line and had to scrap a whole set of pump housings. Those old guys really do know their stuff.
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west.alice3mo ago
But sometimes you gotta learn those lessons yourself, you know?
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hugo5014d ago
Thats the thing with old timers versus new guys. They learned by burning their own hands, not from a textbook. Theres a pattern everywhere I look now - people skip the boring fundamentals and jump straight to the fancy shortcuts. Seen it with guys who never learned to hand sharpen a drill bit and wonder why their holes come out crooked. Or cooks who use a thermometer for everything because they never learned what the meat should feel like. The old dudes didnt have a computer telling them what to do, so they had to actually pay attention to what was happening right in front of them.
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