View Full Version : "Ghost Gun" Table Top CNC machine
http://www.thetruthaboutguns.com/2014/10/robert-farago/cody-wilsons-october-surprise-revealed-sub-1000-ghost-gun-engine/#comment-1967187
Fantastic video. Love the selected score.
wctriumph
10-01-2014, 10:07
Neat. I liked the little flashy lights inside when its dark.
Fantastic video. Love the selected score.
The piece by Satie is very nice. It has an almost eastern European feel to it. Not bad for a Frenchman [Coffee]
kidicarus13
10-01-2014, 21:22
Looks simple, like plug and play. Let us know who gets one first, I'll be over after work.
The piece by Satie is very nice. It has an almost eastern European feel to it. Not bad for a Frenchman [Coffee]
Satie eh? I know I've got it marked as a favorite on my Pandora, but never remember who it is. Thanks for being so worldly.
Great-Kazoo
10-01-2014, 21:46
Looks simple, like plug and play. Let us know who gets one first, I'll be over after work.
i didn't see a price tag, anyone?
It said $999, but I guess that was only the first few, and the rest will be $1,200? You'll have to verify.
Well I do have $999 laying around... But I'm not telling anyone when I get it
Sent by a free-range electronic weasel, with no sense of personal space.
ChunkyMonkey
10-01-2014, 22:00
$1200 now. I almost purchased it, til I read it only works with ARES 80% lower.
I have that laying around too... But... The only ares thing kind of makes me sad
Sent by a free-range electronic weasel, with no sense of personal space.
Love dumb CA speaker. "30 caliber clips..." (In lieu or 30 round magazines..)
Great-Kazoo
10-02-2014, 08:21
$1200 now. I almost purchased it, til I read it only works with ARES 80% lower.
what's the difference between ares and other 80% ?
Looks like it has a magwell and tg like the billets. I still don't see why it'd only be limited to the Ares only?
http://bearingarms.com/defense-distributeds-ghost-gunner-hype-supposed/?utm_source=bafbp&utm_medium=fbpage&utm_campaign=baupdate
Its just the programming. Give it a week and there will be new ones for other lowers
ChunkyMonkey
10-02-2014, 10:02
what's the difference between ares and other 80% ?
Rear detent area is predrilled. This mill use the rear detent to hold it down.
Great-Kazoo
10-02-2014, 10:31
Rear detent area is predrilled. This mill use the rear detent to hold it down.
If you mean the rear take down all the 805 i've seen have them. If it's the rear detent as in one that holds the take down pin behind the buffer tube, same thing.
The "anti-slop screw" hole, maybe?
Great-Kazoo
10-02-2014, 11:07
The "anti-slop screw" hole, maybe?
We still talking AR lowers?
Could be....
Sent via Mobile Work Avoidance Device
The "anti-slop screw" hole, maybe?
We still talking AR lowers?
Could be....
Sent via Mobile Work Avoidance Device
Sounds like the kind of discussion that belongs over in my "I did it" thread......
Posted Via Glade Plug In.
Yeah but the video is great.
clodhopper
10-03-2014, 09:47
TL;DR That machine is dumb, use a drill press with a milling vise.
This kind of thing actually makes me a little mad. I have constructed CNC machines out of the exact same materials and simply put, there is nothing about that machine that will make it any easier to make an 80% lower. It runs off of a GRBLshield with and Arduino uno as a controller. This platform literally has 32kb of flash memory. Yes I said kilobytes so most complex functionality is omitted to allow for basic 3 axis control.
This alone could still produce a lower, but the complexities with alignment make a "plug and play" scenario a little far fetched. You would need to be able to place the piece vertically with .005 accuracy to stay within the mill spec depth requirements of the receiver. This is from the installed tool tip depth, so it would change every time you installed an end mill, and touch off capability is still not a part of the package for GRBLshield as far as I know. People have done it, but not easily.
Now we are to the hard part. The milling. You can hear that when it is running, it is spooling at high RPM. This pretty much means that it uses a cheap router spinning at 30,00 rpm which taking feed speeds into account based off of end mill chip load pretty much limits the machine to a single flute 1/8 diameter cutter. Now you need a 1/8" end mill capable of cutting a slot that is 1.25 inches deep. Talk about tool deflection. So now to avoid the problems with tool deflection, not to mention general machine rigidity and backlash, you will need to make the depth of cut very shallow in order to prevent deflecting, overloading and snapping your end mill. Probably about .01 or less. That means that the CAM program will need to perform at least 125 passes at about 30 - 40 IPM. That would take all night for one receiver.
To make a short story long, that is an over dramatized machine that would make it 1000 times harder to mill out an 80% lower.
I just hate seeing someone say "it is like pressing print" when the truth is that it is harder than hell to do that. Maybe Little Machine Shop should make a video like that about their micro mill, (http://littlemachineshop.com/products/product_view.php?ProductID=4700&category=1387807683) or their mini mill (http://littlemachineshop.com/products/product_view.php?ProductID=3990&category=1387807683). And it is cheaper.
Bam! Just saved you hundreds or dollars and it can mill anything, including 1911's.
You guys aren't wrong, but you are missing the point. The magic milling box is marketed to guys who have no machining training/experience and don't want to, or don't have the time, to learn. The idea that you can mount a 80%, hit go and it is finished off without brain damage is highly sought by the masses who don't know how to work with their hands (or think with their brains).
As an aside, no diy 80% is ever going to be finished to mil specs. .005? with a drill press in an average garage? I would be surprised if the table is aligned with more than a square or a bubble level to the bit. But it doesn't need to be to work, and home built ghost guns don't need to be perfect, just work.
Great-Kazoo
10-03-2014, 10:51
You guys aren't wrong, but you are missing the point. The magic milling box is marketed to guys who have no machining training/experience and don't want to, or don't have the time, to learn. The idea that you can mount a 80%, hit go and it is finished off without brain damage is highly sought by the masses who don't know how to work with their hands (or think with their brains).
As an aside, no diy 80% is ever going to be finished to mil specs. .005? with a drill press in an average garage? I would be surprised if the table is aligned with more than a square or a bubble level to the bit. But it doesn't need to be to work, and home built ghost guns don't need to be perfect, just work.
Sounds like an AK flat bending jig. Clamp, press, align, heat treat.
clodhopper
10-03-2014, 14:13
Sounds like an AK flat bending jig. Clamp, press, align, heat treat.
Never folded up an AK receiver. Doubt I would have a hard time with it, but, yeah, there is nothing about a kit assembled AK that is to any spec, other than the "does it work?" standard.
I do appreciate home machinists that have skill and the patience to do things right. Most people have absolutely no concept of how long it takes to machine a single part correctly.
Version 2:
https://www.youtube.com/watch?v=clzSo2EAAoI
$250.... +$100 Shipping. https://ghostgunner.net/products/ghost-gunner
kidicarus13
06-21-2016, 20:17
Version 2:
https://www.youtube.com/watch?v=clzSo2EAAoI
$250.... +$100 Shipping. https://ghostgunner.net/products/ghost-gunner
What's the total price and where's the money back guarantee when the product doesn't make it out of the prototype phase?
Zundfolge
06-21-2016, 21:25
$250.... +$100 Shipping. https://ghostgunner.net/products/ghost-gunner
$250 is the deposit, the machine is $1500. https://ghostgunner.net/pages/faq
Zundfolge
06-21-2016, 21:31
Until you can toss a block of billet into it and it'll carve a completed receiver, I just don't see the point (not at $1500 ... now if it was just $250, then you're on to something).
I'm glad they're working on this because it is really the infancy of the technology, but it seems to me if you're wanting to be able to make guns after they're banned you'd be better off investing in generic CNC and milling equipment and learning how it works.
How fancy do you want/need it to look? If you have adequate travel in X,Y and Z,and are willing to re-fixture your blank multiple times you are only limited by imagination. You could drive this mill with a thumb drive or smart phone. The code/programs are already out there.
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That pricing does make a lot more sense than $250. I agree that at $1500 it's not worth it.
henpecked
06-23-2016, 10:06
Machining a 80% is not hard. Im sure if some of you were interested in watching it done there would be a few guys willing to let you watch.
Great-Kazoo
06-23-2016, 12:09
Machining a 80% is not hard. Im sure if some of you were interested in watching it done there would be a few guys willing to let you watch.
Having the correct tools helps. If there was enough commitment, i'd rent it out.
Ixnay on the rantay. BATFEIEIO considets that a no no. Sell hourly co-ownership for 25c - no this does not constitute legal advice.
henpecked
06-23-2016, 12:33
Free to watch one built, no law against that.
Great-Kazoo
06-23-2016, 14:30
Ixnay on the rantay. BATFEIEIO considets that a no no. Sell hourly co-ownership for 25c - no this does not constitute legal advice.
No one would be at my place. Like a pressure washer they take it home to use. After all "they" kicked in X $ to buy it.
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