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Spent three hours chasing a weird noise that turned out to be a zip tie
I was running a job on our old Haas VF2 yesterday, a simple aluminum bracket, and about halfway through I start hearing this faint, high-pitched buzzing sound. It wasn't the spindle or the coolant pump, it was something else. I mean, I shut everything down, checked all the way covers, the cable carriers, even pulled the way covers back thinking maybe a chip got stuck somewhere. My lead hand came over and we both just stood there listening, poking around for like an hour. Finally, I'm laying on the floor with a flashlight and I spot it. A single, leftover black zip tie from some old wiring was dangling just enough to tap against the sheet metal cabinet door with every tiny vibration from the machine. Snapped it off and the noise was gone. Has anyone else ever lost a huge chunk of time to something that dumb?
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olivia_carr77mo ago
That "laying on the floor with a flashlight" moment is too real. I once spent a whole afternoon convinced our compressor was about to blow. The sound was this awful metallic grinding. Tore the whole thing apart. It was a loose bolt inside an empty soda can that had rolled behind it. The fan was just spinning the can around.
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stella_rodriguez7mo ago
Ugh, that's the worst! @olivia_carr7's soda can story makes me feel better though. I once tore apart a whole electrical panel for a hum that was just a vibrating business card stuck to a fan.
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