I am making my first cabinet, and used a RAS to cut the tenons. Having not
the greatest dado stack in the world, they are a little rough.
Looked at shoulder planes, but even cheap ones are $150! Apart from hand
sanding, any other recommendations?
Any reason for not trying/using a tenoning jig on a tablesaw? Assuming you
have a tablesaw that is.
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Well, you could buy a new #90 for a lot less than that, but you'd
probably have to do a bit of tuning to get it to perform well. The
last batch of m&t's that I cut I just used a 1" chisel to clean them
up. It worked just fine, and actually gave me better control than a
In fact, I'm thinking I'll do them all that way from now on.
email@example.com (Conan the Librarian) wrote in
That would be my suggestion too. It might help to have a guide block
of the appropriate thickness to rest the chisel on, working bevel up.
That would help avoid the tendency to gradually cut deeper as you
work to shoulder end of the tenon.
Yeah, that's probably a good idea for when you make a cut towards
the shoulder. (Another help might be to use the chisel bevel-down.
That tends to keep it from digging in and diving.) On my last batch
of tenons, I found that I was having my best success by making a
crossgrain paring cut. I sawed them by hand and left the scribe marks
intact. Then I was able to reference those marks and go across grain
with a slightly skewed cut. You can tell when you hit your scribe
mark, as you raise a bit of "fuzz" which is the waste side of the
Final cleanup was then a light cut back towards the shoulder to
make sure the cheek was flat and there were no "crumbs" left at the
junction of shoulder and cheek.
On Thu, 15 Apr 2004 01:45:02 +0000, Chris Carruth wrote:
Your RAS, assuming it's tuned properly, can be used with a good blade to
first cut the shoulders. The cheeks can then be cut by setting the motor
bevel to 90 degrees counterclockwise and placing the work on an auxillary
table with the top of the blade set the shoulder depth above the aux table
and the right edge of the blade set even with the left edge of the aux
table. The motor is then drawn through the cheek cut leaving a nice
smooth cheek and shoulder. I posted (scary to some) pics on ABPW a few
"A government that robs Peter to pay Paul can always
depend on the support of Paul." - George Bernard Shaw
Forget the dado. Remember that the radial saw can cut with the blade
horizontal as easily as it does with the blade vertical. Also remember
that the height adjustment on it has remarkably high precision. Use those
capabilities and a little ingenuity and you'll find that it's a superb
Get a quarter-sheet of 3/4" ply and make up an auxiliary table for your
saw--make it so that it's about a third as wide left-to-right as the
regular table and has a skirt that fits down into the rip-fence slot to
hold it in place--you can run that piece up above the aux table to form a
second fence or you can attach a second fence to the aux table further
forward if you prefer. (Note that my fingers seem to be typing "auxiliary
fence" tonight when I mean to type "auxiliary table"--I think I fixed all
the places I did it by I may have missed some).
Once you've got that cut the shoulders with the blade vertical--use a stop
(and make sure that it's solidly retained--use at least two clamps to hold
it, otherwise when you tap it with one of the work pieces it's going to
move) so that they're all the same distance from the end and if you can't
get them the exact right depth then undercut a little.
WARNING WARNING WARNING In the following operation the blade will be
exposed--be very careful--making up an auxiliary guard would be a very good
idea--a piece of plexiglass bolted to the regular guard or attached to the
fence on the aux table will do the job nicely.
After you have the shoulders cut, turn the blade horizontal and put the
auxiliary table in place and then you can cut the tenons out using the
regular cross-cut motion of the saw. The reason you use auxiliary table is
to raise the blade enough for the guard and the retaining nut to clear the
table. Cut a little oversized then sneak up on the correct
dimension--remember that one full turn of the height adjustment is only a
fraction of an inch--move in half or quarter turns and you can achieve
quite remarkable control.
You end up with nice neat tenons as clean as your saw blade is able to
cut--with a good blade that's pretty darned clean.
Reply to jclarke at ae tee tee global dot net
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