How to cut
10 Inch Crown Molding
99% Of People Don't Know How To Cut Big Crown Molding On A Little Saw!
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what's up everybody my name is Vince
welcome to the channel and in today's
video we're gonna show you how to
increase the capacity of your seven and
a quarter compound motor so why are we
showing you this simple trick that a lot
of people are unaware love because
although you can cut standard crown
profiles of up to three and five-eighths
of an inch
nested against the fence of this seven
and a quarter so you might want to cut
something bigger like this four and five
eighths that four and five eighths
molding isn't capable of being cut
nested up against the fence
I guess my soul is useless or is it
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what happens when your saw runs out of
capacity I mean you can see here on edge
that we're nested and we're riding above
the fence there's no good way to make
this happen rapidly and accurately
enough where I would trust it
anything beyond three and five-eighths
you're going to need a simple trick here
it is the simple trick is to cut your
crown molding flat you have the ability
if you have a compound sliding miter saw
even at seven and a quarter inches you
think that this soil is small but the
capacity is very large because of the
features that are built in number one
what you're going to need to do is
determine the spring angle of your
molding now here's the good part
if you're buying a standard profile a
finger join it in prime or even MDF
profile these have very common spring
angles they're going to be either 52 by
38 or 45 by 45-degree spring angles you
can determine your spring angles on a
number of ways number one when you're
buying your profile when you go to a
lumber yard they will a lot of times
have it listed on the product number in
front of the molding so you know your
spring angle may be if you're wanting to
cut a finish grade or pre finished
cabinet grade crown molding you may need
to contact the cabinet company they're
engineers to get that spring angle or
you can determine the spring angle on
your own a number of ways I use this
Bosch angle finder it helps me to
determine the spring angle of
non-standard moldings another way would
be to take your crown profile put it on
a square piece of sheet go
trace the profile only the she could use
an angle gauge and determine your spring
angle if you'll want us to do a video
show you exactly how to do that quick
and effectively let us know down in the
comment section below but let's get on
that I meet potatoes of the video and
here it is we have a molding we've
confirmed it's 52 by 38 spring angle
it's also too large to fit nested on
this saw so all we're going to do is use
the motor and bevel functions on the saw
now how do you determine the motor and
bevel settings well you can refer to
online resources or by yourself a
handbook it breaks down the quarter
angles okay and then tells you what
motor the greeter is supposed to be on
and what bethel degree it's great great
information what you can do is maybe
make a copy of that information laminate
it put it in your tool box this way you
always have the refer but what's great
about this saw in particular is for this
style molding for standard angles like
90 degree it has those degrees already
set in the saw let's just say we wanted
to make an outside corner on the
right-hand side of the molding okay
I'd like to cut my molding right side up
not upside down we'll set our motor
scale to 31 point six degrees the next
part we're gonna do is we want to set
our bevel and that is thirty three point
nine degrees so all we'll do is set that
in place if you didn't have that built
in to the saw all you would do then at
that point is you loosen up your bevel
okay and then you would set in place the
saw at thirty three point nine degrees
once you had it in place you would then
lock down your bevel this is what I find
the best part about cutting your molding
flat there's nothing more accurate I
don't have to worry about the
shifting the crown stops coming loose
making sure that my my molding is in the
correct spring angle for instance if we
were cutting three and five-eighths
molding here you'd have the ability to
cut the three and five eighths molding
the thing is is that in this area the
fence dips down so as you're cutting
through that molding you could get
deflection in the molding and King calls
for an inferior cut it's not going to be
as accurate now does that matter when
you're doing finger joining and prime
maybe not but I prefer to cut flat so
once we have our molding in place we
have our correct motor our correct bevel
all we're going to do is and our cut is
complete for a 45 degree angle let's
make the cut for the opposite side so we
can show you a return ed you're going to
set the soil in the opposite direction
to 31.6 degrees okay we're gonna set our
bevel to the opposite direction to 33.9
degrees we're gonna hold our molding
down tight in place you can't get any
more accurate than that then you make
your cut
straightening the saw up okay we're
gonna slide our molding over we're gonna
put our positioning system on and if you
don't have a positioning system could
just bring your saw blade down so what
we want to do is we want to make our cut
right here to get that profile that will
die into the wall so you see we're lined
up perfectly you make our cut because
there's no deflection in the molding
during the cut I mean that's pretty much
perfect now why am i cutting this
molding to begin with because I'm making
a mock up it's pretty much a display
piece I'll take some plywood I'll make
this three sided box okay and what I'll
do is I'll place my molding inside this
mock up put it together and put it in
there okay I'll put a couple different
sizes or a different couple different
styles because if you go to a client's
house they want to see profiles and this
is what I kind of learned you can go
with pictures you know but in a picture
even if they've sold molding in someone
else's house they can make it you can
tell them hey three and five-eighths
molding is such-and-such a lineal foot
installed per room her inside whatever
it may be but for people to really get a
feeling of what it looks like the
molding the return edges how grand it's
going to look how many pieces I have had
my best luck bringing samples of
installed moldings this way they have an
idea of what they're about to buy what I
would do is I would pin nail this
together maybe put a little bit of wood
glue
here but a friend of mine Richard from
over at finished carpentry TV he's here
on YouTube and he's a finished carpenter
he actually gave me some of his CA glue
it's his brand of CA glue and I figured
instead of me breaking out the
compressor and let's just give it a try
this is the the max cure or maxi cure
this is extra thick there's different
viscosities of the adhesive but it's a
two-part system so what you'll do is
you'll put a little bit of that adhesive
on the molding it's kind of kind of
intuitive to what I'm used to I'm used
to applying wood glue
letting the end grain soak it in and
then reapplying again with this stuff
you don't need to do all that and then
you'll put activator on the other side
of the joint once again like a minimal
amount that's it that's all you got to
do now you're gonna have like a few
seconds to make up your joint so you'll
do is you'll you'll pop it on there you
go looks pretty great don't be careful
with the CA glue because you're not
gonna have as much time to get it to fit
perfectly you then mount it in your
display box okay you can put a single
return you can put multi piece moldings
in here you could put two samples I find
it useful as a visual aid when you're
you know trying to inform the customer
of what you're able to create in their
house and quite frankly what they're
paying for or going to be paying for and
I feel like showing people what they're
paying for before they pay for it and
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the comment section below do you cut
your crown nested you cut your crown
flat why do you like doing it the way
that you do it do you think that you
should buy a 12 inch motor saw even if
you're gonna be cutting your molding
flat
or vice-versa leave it all down below we
want to hear what you think get the
conversation started we're that I want
to say I appreciate every single one you
being here thanks a lot everybody we'll
see you all on the next one I'm gonna go
get my pin nailer because I'm gonna I'm
gonna pin nail this into place instead
of trying to use that CA glue I have to
brush up on my technique with it videos
over but I know you want more so this is
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see you later
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