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My old vise jaw snapped clean off during a roughing pass yesterday
Honestly, I was hogging out a big block of 4140 on the VF-2 when I heard a loud crack. The fixed jaw on my Kurt just sheared right at the bolt holes. I had to shut everything down, pull the part, and spend the next hour cleaning chips and finding a spare. Has anyone else had a vise just give out like that? I'm thinking maybe the jaw was just tired from too many years of heavy cuts.
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the_ben5mo ago
Check if the jaw was maybe cracked before you even started.
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hannahj495mo ago
Check your torque settings first. Seen jaws crack from being cranked down way too hard over time.
7
dakota_miller935mo ago
Yeah, that "cranked down way too hard" thing is real. I had a cheap bench vise that I always just reefed on, and one day the static jaw just snapped clean off. Now I use a torque wrench on my good vise, following the manual. It feels weird not to go full gorilla on it, but nothing's cracked since.
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