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Rant: blew out a 3/4 inch dovetail bit on Tuesday, half inch shank snapped clean at the collet
Was cutting drawer boxes in the shop Tuesday morning, second box in, and the bit just snapped at the collet and shot the shank across the floor. Bit had maybe 40 linear feet on it, so either the collet is worn out or I was feeding too hot on the maple. Cost me a $45 bit and an hour redoing the setup, but now I'm arguing with myself about whether to spring for a new collet and keep pushing or switch to a smaller bit and slow way down. What's your breaking point where you stop blaming the tool and start blaming yourself?
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elizabethp939d ago
Forty linear feet is nothing, so blaming yourself over feed rate feels like a stretch. A shank snapping clean at the collet usually points to a worn collet or a bit that got dropped at some point, not your technique. I'd swap the collet first and see if the problem just goes away before you change how you cut.
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