Reply by builtinbkyn

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Posted on Mortiser problems

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2942 posts in 1448 days

#1 posted 08-11-2017 01:27 PM

Hi Jim. I had similar issues with a used Shop Fox mortiser I picked up. Check you’r bits again. Particularly the inside bore of the chisel. The bits I had were very poorly machined on the inside, preventing the chips from ejecting properly. I had to clean them up with a file and sandpaper. Then I applied some wax and this helped tremendously. Also, as you already know, setting the drill inside the chisel so that there’s some clearance is important. There are all sorts of recommendations on the net for how to go about doing it. My mortiser is now ballast for my bench as I don’t really use it because it seemed more trouble than it was worth. I’m sure a really god full size machine would do a much better job than my benchtop model.

-- Bill, Yo! Brooklyn & Steel City :)

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