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Remember when we used to pack sand molds by hand?

Back at the old Midwestern foundry, we'd spend a whole shift just ramming sand with a hand tool, and you could feel the difference in density. Now we've got a jolt-squeeze machine that does a whole flask in under a minute. The change came about five years ago when the owner finally saw the numbers on production speed. But sometimes I miss the quiet of that old method, you know? Anyone else still use hand ramming for small, complex patterns?
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3 Comments
elizabethg85
Hand ramming is a lost art. We keep one bench open for it, mostly for the old-timers to train the new guys. Lets them learn what good sand feels like before they just hit a button. The muscle memory matters.
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ivanross
ivanross2mo ago
Oh man, I get that. The new machines are crazy fast, no doubt. But you lose the feel for the work, that touch telling you the sand is just right. We still break out the hand rammers for the really tricky stuff, the patterns with all the undercuts. It's a different kind of focus, quiet like you said.
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drew_reed62
Our automated line runs those undercuts just fine, actually.
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