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you can't have computerized numeric control without of course a computer and

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while the Linux pc embedded in the door might be weak the mill that it's

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attached to is capable of chewing through solid titanium

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but to help but to tell the whole story of this

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amazing machine i need to go back in time

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in time in time

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in time today's video is brought to you by glasswire are you worried someone

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else is using your wi-fi glasswire can alert you anytime a new device joins use

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offer code Linus to get 25 off glasswire at the link in the video description

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we've all been there you bring home your new furniture from ikea spread

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everything out on the living floor and go living floor kill me spread all the

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bits and pieces out on the living room floor and go what the heck was i

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thinking skimping on the assembly service well this video is that but on

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steroids due to covet restrictions tormach is not offering on-site setup of

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their cnc mills which means we're going to have to assemble it ourselves all

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2629 pounds of it so what do we do we

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just kind of go for it or what

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i mean hold on a second this is why we can't have nice things oh

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god he's been so excited to build this thing so much it's just been sitting

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here for weeks all right have fun see you later now i get to do the fun stuff

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so let's get a look at my new mill

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oh that's my timer i got to go get my copic shot and it'll take us this long

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we're back okay

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hello that's my new toy it's a tormach 1100 mx

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it spins up to 10 000 RPM it is an absolute unit so these are the chip

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trays these are what hold the chips as we're machining it catches the mess

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which our router doesn't do a great job of already

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and they are big

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that's a chunk of metal

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it's been two weeks since we started working on this machine we have to put

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all the sheet metal on the machine we have to hook up the pc we're gonna put

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on the tool changer and we're gonna get to play with some lovely machined parts

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and we'll come back once it's ready to actually start moving again

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everything about this looks really expensive yeah

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look at these yeah these are all balanced to go up to 10 000 RPM how much

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did i pay for these well they also sent a bunch of pretty carbide that is a

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sharp boy uh yeah so that's a three flute high helix aluminum finish wow

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yeah don't do that everything in here is now turning on and ready

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well no i mean you you told me these

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things don't stop for nothing so

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ta-da i'm not saying moving on why something's

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funky with why it's flashing green i bet you i didn't tighten the collar enough

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on the y-axis motor and i bet it's just spinning one of our new engineers is

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laughing at me kind of you know marveling at this knows i have no idea

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how to operate it here's something i know a thing or two about okay computer

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mice the ergonomics of this thing they could be a little better the finest

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silicone sheath over top of the most generic chinese mouse

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hey i'm covered in my chips this is this is fun but uh go flick a switch

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tool changes how do they work okay let's fill it with coolant

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oh oh that cooler pump's been running dry

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this whole time did you plug it into an accessory rather than into the coolant

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pump pump oh my god yeah okay well that might have destroyed

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the pump okay is it in the coolant one now

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okay

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okay

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now short of pulling off the CPU heatsink which appears to be glued on so

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i'm probably not going to do that we have no way of knowing exactly what this

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computer is other than that it's running four gigs of kimtego RAM it has a 64 gig

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pci express SSD another mini PCIe slot

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over here and a sim slot and then this

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is a funny one it's got about the banginess speakers that i've ever seen

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in an embedded machine but there's a good reason for that because when this

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thing is running it can actually get pretty loud so if it needs to make a

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noise that you actually need to hear from inside this sealed enclosure

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because that's pretty much the way to do it honestly though this little Linux box

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is not the most interesting part of the

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computerized control coming past our missed coolant reservoir we've got ah

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here it is and it goes

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so here is the 220 volt transformer so

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that's where power gets transformed into all the different voltages that we're

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going to need here is oh this thing is super cool this pretty much what it is

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is a gigantic ceramic resistor with a heat sink on it and what it does is

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whenever you want to stop the spindle spinning you actually need to take the

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power that the spindle would otherwise continue to generate and get rid of it

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somehow so it's just this gigantic resistor that just

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stops it right dead on the topic of spindle control of course we want to do

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more than just stop it and this puppy right here is our spindle vfd or

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variable frequency drive you could think of this kind of like a pwm fan header on

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your motherboard that can make it run at different speeds depending on how often

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it pulses power except on absolute freaking steroids so we can drive the

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main spindle at up to 10 000 RPM and all the way down to what 100 or something

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like that fancy the rest of this is cable

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management a variety of breakers and relays here's another power supply and

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that leads to this puppy right here so this you could think of as kind of like

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our secondary brains of the operation and what this basically does is it takes

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whatever signal comes out of our Linux computer at the front and turns it into

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something that all of our motors can understand so our x y z we'll all get a

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signal that they can interpret from this this is probably our best look at the

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clearpath servo motors that drive the x y and z axes so compared to stepper

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motors which are what we use on our cnc router they're not as torquey but they

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actually know exactly where they are rotationally so it can relay that

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information to the computer the computer can say okay i know exactly where this

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other one is and you can actually have the motors work together we could

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actually hard mount our tap and then we could have both our z-axis and our main

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spindle work together to just drive it in tap the hole take it back out and

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we're done i actually lied a little bit this one is not technically a servo

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motor it does have the same magnetic array and the same hall effect sensor

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that allows it to know exactly how many times it's spinning and where it is it's

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just that it sends that raw data over to our computer to process rather than

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having an onboard encoder that sends it out sorry however they do it tormach has

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another even more important reason for needing to know the exact position of

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the main spindle and that is for tool changes now on any normal cnc mill you

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would need to be able to change out your tools because you might have a different

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size bit or a different function bit that you need to pop into the main

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spindle so the way you would normally do that is you line up your little doggies

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uh oh there we go there it is look at that

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and then you press that again hey

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look at it go but this one is special

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this puppy has a carousel that can hold up to 12 different tool holders allowing

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you to do complex jobs with the tools automatically changing so what it'll do

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is it'll line it up exactly where it's needed the tool changer comes in grabs

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it spins around pops another one in the whole thing is pneumatically driven and

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the whole job just nice goes so cool of

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course none of this does anything without the computer to control it we've

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got a pretty sweet touchscreen interface for it but whether you're running

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touchscreen or a spongy mouse and keyboard you're going to be running a

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version of linuxcnc called pathpilot and one of the coolest things about

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pathpilot compared to mach 3 the control system that runs our router over there

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is that it actually runs at the speed of the processor with mach3 you send a

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command to the board that then processes and outputs step and direction signals

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to move the motor that means when you hit stop on the router it still has to

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process those extra commands before it even sees the stop now you can emergency

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stop it but doing that means you kill power to everything and you have to

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re-reference the machine which is a big boatload of suck on the tormach if you

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hit feed hole in a program it stops and we'll show you that but first just i

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want to kind of play around with this thing a little bit so if you want to set your your rip ems let's do five thousand

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meat huh we can stop it and then we actually put in just a little simple

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program here so it's just moving this back and forward on the x-axis and i'm

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gonna go

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let's stop and reset and show you guys something else that's really cool though aside from the tool and making sure that

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the path it's going to follow is right the main two things you need to concern

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yourself with when you're cutting different materials are the speed of the

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spindle and then the feed rate as the machine moves around on all the

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different axes while some piece of metal

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might be really consistent from one sample to the next a material like wood

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it could be all over the place and you could go yeah 2000 is usually good but

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why don't we try turning this up a little bit and see how it goes you can do all that without changing your

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program and you can do the same thing for your feed rate as well so if i stop

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this and i start my cycle again

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what of course you can have all the precision in the world up here but if

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your part is not held in place extremely securely you're just going to end up

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with a giant mess and that is where this comes in so this puppy

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right here is absolutely covered in these threaded holes that have these

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super handy little plastic inserts so what you can do is you can take say okay

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we want a mod vise here which is really cool because it can hold on to just a

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sliver of your material so you can work on one side then just like shave off the

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back we can put a regular vise in here we could put a fourth axis in here and

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then what you do is you tell the machine okay i've got this offset for when i'm

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going to mount it in that thing and without redoing your program re-zeroing

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or re-indicating the machine you're ready to free king go now one of the

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most useful things that you can do with this feature is you can add an additional

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axis neat right so unlike our cnc router

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which is perfect for making two and a half d parts the new mill here is four

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axis this is an a axis which is a rotational axis along the x-axis so you

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could take apart and you could actually roll it and work on the sides or on the

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back without taking it out and repositioning it super neat oh yeah this

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is a perfect example of the kind of part that what with maybe two or three resets

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you could make in a setup like this the bike pedal so colin's old job that's

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okay he likes his new job better debatable so as fact

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what does this go for it's like 35 40 grand 35 40 grand somewhere in there

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which raises the question why does a machine like this

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cost like it does most purchasers of something like this would be using it to

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make money and there's just a higher tolerance for cost when it comes to

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money making machines and as everyone knows money equals time so it comes down

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to what features it has that makes it faster and easier to use and that's

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where things like that fourth axis come in i mean being able to work on multiple

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sides of a part without going in and painstakingly moving things around and

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re-zeroing that's money right there of course for us that's not

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really the plan we're just gonna use it to like make cool stuff for our videos i

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guess we should do a demo right yeah let's make some chips okay well first

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thing safety should never be run

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without that closed and you guys are going to see why in just a moment here

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so this is cool it uses like an air blast to clean off the tool before it

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puts it back in the tool changing so which one should i use to hack up that

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aluminum block they're all good for doing that okay so what do i so now if

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you use the arrow keys on the keyboard you're going to jog up and down is page

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up pitch down that's really user friendly

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now you might think wow gee you're going to run out of coolant pretty fast there

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rick but it all collects in this little filtered reservoir on the bottom and

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then it recirculates it now normally we wouldn't have it in like flood mode like

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this for making videos but that's where the mister comes in i'm not gonna plunge

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it straight into the thing i don't trust you man come on colin give me a little

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bit i mean technically it's your machine oh there it goes boys see you later

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middle look at the metal shards at the back ladies and gentlemen

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you want to clean it up we got we got tools for that Linus

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ah sprayed me how many thou is this thing accurate to i mean i haven't

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dialed it yet i think the spec is two tenths of a thousand four tenths of a

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thousand it's like there's no burness there's just it's not even wet it's like

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because it's non-porous you made a clean surface so you can blow literally all the coolant off of it we switched the

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plugs in the back we are now in misting coolant mode here comes a misty boy do

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you want to position it just the tip and only for a second and only what never

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mind oh wow that's pretty wimpy isn't it it's called minimum quantity lubrication

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so it's just enough coolant to keep things moving if you need something to

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be say clean you can run clean fluids rather than a recirculating coolant you

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can have a different one in your mister versus what you have in your flood coolant it can get fancy oh my god like

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somehow it's both perfect and not sharp nothing quite like a brand new machine

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running brand new bits eh why that finish is so good is because when you

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plow a tool through a part it's going to naturally deflect and the router it's

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just so big it can't be rigid this little tool it's a lot denser and a lot

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heavier so it deflects less and you get a better finish yeah it's absolutely

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you went back in time and it comes in seven vibrant colors from transparent

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watermelon to spotted cheetah and everything in between i personally don't

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know what's in between a watermelon and a cheetah but i'm sure it's amazing it's

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the perfect time killer in between loading screens and game rounds for when

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you're not doing push-ups so uh don't wait spin into action with your fidget

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spinner keycap at the link in the video description if you guys enjoyed this

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video maybe uh go back in time and have a look at our commissioning video for

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the router that was quite the adventure for alex way back in the day oh wait

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these are both mini PCIe okay