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B-4 Isolate the Bearing
Our first router tip is a setup that we call "Isolate the Bearing". This tip is for all levels
of woodworking skill and is a fundamental setup technique used to mould the edge of
a straight piece. Isolating the bearing uses a combination of the table fence and a
piloted router bit.
Prior to setting up the fence, we have installed a 1/4" round over bit in a table
mounted router and set the height of the bit profile to 1/16". Note: Before trying these
procedures make sure that your router is unplugged and the router bit is tightly fasten
into the collet.
The secret to being safe, accurate and fast is to first understand the setup techniques
then to practice, practice and practice again. The above tip is one of the most used
router setups and once it is mastered it will serve you well when making quality
woodworking projects.
Step One:
Position the table fence and clamp the out-
feed side. See photo.
Step Two:
Move the in-feed side of the fence into
position. Using a straight piece of material
position the bearing flush with the out-
feed and in-feed of the table fence. See
photo.
Step Three:
Hold the fence in this position
and clamp the in-feed side. See
photo.
Step Four:
Once the fence has been clamped into
position, use your wood sample and check
to make sure that the pilot bearing on the
bit has been isolated. In other words the
bearing has to be even with the out-feed
and the in-feed of the table fence.
If the bearing is ahead or behind the in-
feed and out-feed surface of the fence use
a hammer to reposition the fence. See
photo.
Test Your Skills:
To practice the above procedures cut five 4" X 6" X 3/4" blocks. Isolate
the bearing and rout all four sides on one of your samples. Unplug the
router. Now take down the fence and repeat the above procedure for each
of your practice pieces. Remember, safety and accuracy are the first
lessons to learn. With practice, skill will be acquired and once skill is
achieved then speed will be increased. Never forget safety.
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