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Router bushings can get hot - a cautionary tale


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Perhaps I should call it - "How I hurt myself on a router table when there was no router mounted in the table."


I was working on a small STEM project for my daughter's school tonight and  was setting up my router table to route some box joints.  I raised up the bit and apparently got it a bit too close to the inset bushing in the table.  When I turned the router on, it whined a horrible high pitched sound and so I turned it off right away. I pulled the router as I was going to have to raise the bit in the collet so that the nut wouldn't rub.  Well, when I returned to the table, I noticed that the bushing had rotated a bit and so I went to turn it back to the original setting. 

This was not a good idea.  Apparently the metal bushing, from about three seconds of contact with the spinning collet nut had heated up to several hundred degrees.  I had just grabbed it with two fingers and instantly regretted my decision.


I know in the grand scheme of things, if you're going to get hurt in the shop, burned fingers are a small price to pay to learn a lesson, but holy crap it's a painful lesson to learn.


So, to anyone else who may find themselves in a similar situation - never assume that just because there's no router in your router table that you it's safe to handle.

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