Cutting a Waterfall Miter on the Table Saw: Two Live Edges



Waterfall miter

In the event you don’t have a mitering sled you’ll be able to clamp down the reside
edge slab onto an oblong sheet of plywood or MDF and tuck
it in opposition to the fence of the miter gauges (see rationalization on
learn how to use two miter gauges and a fence in my earlier put up).

When each edges of your slab are “reside edge”
you’ll be able to’t depend on them for crosscutting or sawing off correct
miters. It is because tucking a reside edge in opposition to the fence
of a crosscut sled is not going to give you a steady help,
nor will it guarantee a miter that’s perpendicular to the slab’s
heart line (the road that spans alongside the size of the
slab).

So what do you have to do? Your greatest technique is
to clamp down the slab to your mitering sled within the acceptable
configuration to make sure a miter that’s at a proper angle to the
heart line.

A technique to do that is to put in a number of
makeshift brackets that conform to the contour of the reside edge
(on the location to which they’re being clamped down). The
brackets must be screwed to the mattress of the mitering sled in
order to stop the slab from shifting in the course of the reduce. In the event you
have some toggle clamps at hand, use them as an alternative of the
makeshift brackets. They’re simple to make use of, plus they permit you
to clamp slabs of various thicknesses.

ts-live-edge-mitering-two-live-egde-1-1

 If you have some toggle clamps at hand, use them instead of the makeshift brackets. They are so easy to use, plus they allow you to clamp slabs of different thicknesses.

If in case you have some toggle clamps at hand, use them as an alternative of
the makeshift brackets. They’re simple to make use of, plus they permit
you to clamp slabs of various thicknesses.

Another choice is to make a number of battens and
use them to clamp down the slab onto the sled. The battens act
like clamps and can hold the reside edge slab from transferring. You
can use carriage bolts with wings or common nuts, or you’ll be able to
use wooden screws to anchor the battens to the sled.

To extend friction between the slab and the
sled’s mattress, place a number of strain delicate adhesive (PSA) sand
paper patches (glued again to again) beneath the slab in key
factors. If you glue two items of PSA sand paper collectively you
create a really efficient friction enhancer that, as soon as positioned
beneath workpieces, can forestall them from transferring whilst you drill,
reduce or noticed. I usually use sandpaper patches to stop jerky
habits of workpieces on the drill press when clamping them
down isn’t sensible or doable. By the best way, there are additionally
some prepared made friction enhancers for buy, as
recently reviewed by Chris Schwarz.

If you Don’t Have a Miter Sled

In the event you don’t have a mitering sled you’ll be able to
clamp down the reside edge slab onto an oblong sheet of
plywood or MDF and tuck it in opposition to the fence of the miter
gauges
(see explanation on how to use two miter gauges and a fence in
my previous post)
.

Lastly, for those who intend to make many reside edge
items with a waterfall joint, you may need to spend money on
constructing a souped-up miter sled geared up with 4 steel

t-tracks
and complementary clamps. These jigs, made by a
few corporations, will present versatility in situating the clamps
over the slabs to offer essentially the most handy place to
guarantee a steady and protected reduce. Embed two tracks on the proper
banks and two on the left banks of the miter sled to handle
all of the mitering situations that I discussed on this put up and in
earlier postings.

Subsequent time I’ll present learn how to clandestinely
reinforce the miter.

— Yoav Liberman


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