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Coping Foot
| When to cope? All standard inside corners for crown molding
and trim are best/easiest mitered/beveled on both ends for the best fit.
(Glue all joints as you go). However
there are conditions that warrant making a coped joint. When making a
90° turn in the plane of the ceiling the crown spring angle changes by the
amount the ceiling slopes (see Chapter 5). If your turn in the plane of the
ceiling is a 45° turn (i.e. a 135° or 225° corner) the spring
angle changes by 25% of the ceiling slope ± depending on the type
of transitional turn being made. Because of the change in the
crown spring angle for ceiling turns, it is possible to have two
different spring angles for your crown that meet at and inside
corner. This corner of course requires coping. |
(Click photos to enlarge.)
 The
Coping Foot [see
video demo clip] is a dome shape
base for the jig saw that allows you to bevel, turn and pitch the blade
while changing any of those angles during the cut. Any way the blade is
angled the saw is supported right at the kerf. Making a twisting cut
such as you would find in a spiral handrail is a skill easy to learn
with a coping foot. When the saw is held by the barrel with the blade
up, very clean, accurate and complex cuts can be made such as you would
encounter coping crown molding.
The Coping Foot is very compact. You can saw very
close to other obstacles. Do a sink cutout up against a back splash for
instance or cut a bottom plate next to a stud. Any big scribing job is
much easier with a Coping Foot because you can back bevel at will
without making any adjustments to an adjustment screw. Finish carpenters
use the jig saw mostly for back beveling irregular lines, and so the
Coping Foot becomes the ideal base for the jig saw. Many carpenters
never change back to a flat base unless they need to scroll. |
[see
video demo clip, same as above clip]
|
 The Coping Foot is formed from 14 ga. plated steel.
The coping foot also has a 1/4" spacer that will be needed on some
brands of jig saws such as DeWalt 321 & 323 to prevent the mounting
screw from bottoming. Other jig saws may need the spacer for the coping
foot to clear the guide bearing.
Please note that the new Bosch 1590 and 1591
and all Porter Cable models are
NOT compatible with the Coping Foot. The Coping Foot will not fit
these models.
|
The Coping Foot set comes with everything you see here.
Includes coping foot, 1/4" spacer & instructions. |
Precision Tools for Woodwork &
Metalwork
Accurate & Easy to use!
Please note that the new Bosch 1590 and 1591
and all Porter Cable models are
NOT compatible with the Coping Foot. The Coping Foot will not fit
these models.
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