|
With the proper tools is easy to make snug fitting mortise
and tennon joints. Accuracy in the layout and jig setup is very important
of course. Take your time and make test pieces first. You'll do fine! Always
chop the mortises first. Follow the directions that come with your mortiser
for setup and use. I like to plunge into the ends of the mortise first,
then cleanup the middle. A plunge cut will almost always be straight and
true, where the next cut beside the first, will tend to drift toward the
first hole. |
|
|
You cut the mortise first, because it's easier
to make the tennon fit the mortise! Make the cheek cut first along the
width of your rails. Raise the blade only high enough to leave enough stock
to fill your mortise. You don't have to be real exact. A little deep
is better than too shallow. Set the fence for the length of the tennon.
Be sure to measure to the far side of the blade.
|
|
Next raise the blade to make the shoulder cut. This cuts
the edge of the rail. Leave the fence where it is. I know, I forgot to
use a gauge block clamped to the fence. Whenever you use a miter gauge
and the fence at the same time you risk causing a "kick back".... Not a
pleasant thing! I'll take better pics of this later to replace these. |
|
|
There are a couple of ways to cut off the rest
of the shoulder, in the photo above, you could simply slide the rail along
the miter gauge, to nibble away at it. Or you could use a hand saw, or
you can use your bandsaw with a fence and a stop block. Since I had 16
rails with four shoulders per part, i figured the band saw would be quickest.
The stop block is important, it prevents the cut from going in too deep.
|
|
I can't afford the fancy tennon jig that Norm has, but
I found plans in "Shop Notes" for
a jig that slides over your rip fence. Perhaps a bit more to set it up,
but it works great! Depth of cut is done by moving the fence. Again, grab
that sample piece and start with cutting the tennon large. After checking
the fit, slowly bring the fence just a bit toward the blade. It took me
three adjustments to get a perfect fit, and every tennon fit like a glove! |
|
|
 |
|
Perfect results can easily be achieved with a little
patience laying out your stock. Take your time and remember... It's suppose
to be fun! |
|
|
Back to the Vanity
page
There
is some more about Mortising here
|
