I have a Jet JBM-5 benchtop mortising machine, and was wondering if anyone has
replaced the holddown and fence with a cross slide vise? If you have, does it
work as you expected? (which I hope is better then the stock fence and
Thanks for any replies.
Mike G. (the other Mike G.)
I've done it. It works fine. I had to clamping lever to the other side so
it wouldn't crowd the post. That required drilling and tapping two new
holes. I also mounted a base under the machine to raise it up some relative
to the vice. Then I mounted the whole thing to a 1" ply base so it's still
mobile. When I need it I pull it out of a cabinet and clamp it to a
countertop. Works fine. Not as well as a big mortiser with its own xy
table, but it does the job.
Let me know if you want more details.
I'll post a pic in ABPW. This was a test setup (to get the spacing and
height correct). I mounted it on a plywood slab later. You can see the mod
in this picture. The top two handles are normally on opposite sides. You
have to move one so both are in the front.
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