Valentine’s Day Wooden, CNC, Crayon Heart

Valentine’s Day Wooden, CNC, Crayon Heart


okay this is a project we’re gonna do
today for Valentine’s Day it’s a CNC pocket cut into a piece of Alder it’ll
just stand up you could laser engrave some initials in there and then inside
that pocket I melted crayons in it so stay tuned for this video and I’ll show
you how to to go ahead and do this project it’s like a super cool
Valentine’s Day project and subscribe if you like it make sure you comment one of our students came up with the
idea. Have stands or something like shapes that can stand up on their own like
hearts or circles or parallelograms anything and we can have them write
their own message they can choose their own wood and then they write their
message four words 25 letters we can change that up and then once it’s carved
in we can use they can choose their colors and then they can melt crayons
into the engravings so that way it looks really nice. Okay here I am in master
cam and do my crayon heart project a couple of things I want
to show you the first thing is I won’t go over how I created this geometry but
to create geometry I do it under create and I always create half a thing like
this draw a line down the center and then reflect it this is very important
that you have your techno servo router the correct tool set and that comes from
machine-type router technoServo rm-d okay once you have your tool figured out
then you go to stock set up the stock it’s going to be ten inches in x, then
six inches in Y 3/4 inch thick plywood you start my cutter in the top
center if I want to see what the wood looks like I hit display and then the
green checkmark so I can see this is filling that up pretty well
my cutter is going to start in the center out of a little bit of room down
here I’m going to move this object up then now I’m going to a tool path it
this is going to be a pocket so I hit tool Path pocket I’ll name it heart
there’s only gonna be one tool path I’m gonna select it with the contour that
yellow line goes all the way around and that yellow line goes all the way around
I’m going to use a quarter inch flat end mill for this it is a pocket and I’m
gonna go really shallow so I’m going to go at a fast feed rate and plunge rate
only because I’m going so shallow usually I’d set this more like a hundred
and this is 50 I worked my way down here holes are no changes cut parameters
those are good parameters I do want to finish it that’ll clean it up lead in, lead out turned off because it’s a pocket depth of cut I always set this this is
safety I’m gonna set at 0.15 not actually going to use this feature but I
just do it as a safety breakthrough and then linking parameters these are all
absolute and this is my overall depth of cut and a negative value because the top
of stock is set at zero I think I’ll go negative 0.14 because I’m going under 1
5 it’ll do it in the single pass and there it is that’s how it’s going to run
it I want to check the tool path I hit verify I like to verify an isometric
view it’s a quarter-inch bit starting in the center top it play that looks like
the pocket I want to cut out so that looks good I always save my file so I go
to file save as I’m gonna my naming convention here is usually a nice stock
so 10 X 6 X by Y heart2 use the second one I’m doing and I’ll hit save that is
unrelated to posting it to the flash drive now that I’ve saved it I go up to
G1 here and I hit post it needs to be a techno step green checkmark I’m going to
post it onto the USB I’m gonna call a 10 by 6 pockets Schwartz so I like that already have something on there but I’m gonna replace it now what’s happening is
taking all that vector information all those passed the travel and is
converting it and it’s converting in Cartesian coordinates or g-code so this
is the actual code that runs on the computer these are coordinates is
traveling through you see how many lines of code it is a thousand lines of code
these are the things that’s telling what to do so the G’s are the actual
directions and then this is say G1 travel down in the Z direction a point 1
4 out of feed rate of a hundred so there’s my plunge at 100 this is travel
to the coordinate X .026 at a horizontal feed rate at 200 that’s set
then travel to these coordinates and so forth so my file is actually saved on my
student folder however the g-code the actual lines of programming or saved on
that flash drive and then I’m going to take that out into the woodshop and run
it on the CNC so that’s what we’ll do right there it’s a fifty three second run time so
that’s good I’m gonna hit start once I zero it out. It is imperative you zero at
first so here’s the CNC here’s the board I’m going to cut it on I’m not you gonna
do piece of hardwood I put my square down if you haven’t seen this before
these are Raptor nails this is the coolest thing ever for CNC I’ll have
some videos on these nail guns they are the best they shoot these plastic nails
nails are from Raptor I love these things so if you make a mistake and run
into them their plastics there’s no problem so I take this nail gun I just
shoot the corner first there’s the plastic nail will hold down and then I
have one nail in and I pivot off of that nail to make sure I’m square out my
tabletop and then I’ll shoot my other corner This really one of the best ideas that have effected CNC for me okay
another that done that I’m gonna draw a cross hairs from corner to corner and
corner to corner to find the center of the board right there I’m perfectly
centered on the board I go back up here and I hit zero all so now my coordinates
are zeros yeah that’s perfect i pre-processed it I previewed it I
think already go turn the back on and hit start well done Z up out of it
always Z first and then Y back they’re so easy just to pop them off I’m
gonna see in that a little bit and then drop the crayons in there this is a
Harbor Freight heat gun this thing works great really inexpensive at Harbor
Freight my Crayola Crayons right there I’m gonna cut the paper off of these you
can the exacto knife then I’m just gonna break them and put them in the groove
there and hit him with the gun so I just have some crayons dropped in there I certainly don’t want
to come up over the top really careful with the heat gun we
don’t start any fires bring it back to a little more level I’m gonna start
spilling out of this side here I think I lost great I don’t want to plane it but
I think you know in the drum sander we’ll try it with the orbital first sure shiny on there that dry a little
bit put another coat on it I trim that board up if you want you get laser
engrave in the center that heart too if you want, cool project

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