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 Post subject: Hope This Fits My Nuts
PostPosted: Wed Dec 03, 2014 11:23 pm 
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I recently got some AR parts in, and when I opened the box and went through everything, they forgot to send me the 2 gas tubes I ordered.

They charged me for them - checked the website and they are still in stock...

I wanted to order a couple other things anyway, so I did, and they are going to throw the gas tubes in with this next order.

In the mean time - I don't want to put these rifles together without the gas tubes, so I have some time to kill...

!n looking around, there seems to be quite s few options out there as far as it goes for AR barrel nut wrenches.
I did buy one already, it has 2 pins in it and it works good on the thick "free float" type barrel nuts with the holes through them.
And it actually fits on the "standard" AR nut like this one:

Image

But I know it wouldn't hold up or work very good once a guy tried to actually torque a nut on...

So, I thought I would see if I could make one!!

I figured I could draw it up on AutoCad at work and have it cut out on our Laser cutter at work.

So after some measuring, I determined the ID of the "star" and the OD too, and made a couple circles:

Image

Then I figured out there are 20 "points" on the "star", and what diameter would fit in between the points on the "star".
It's 18 degrees between the points, so I made some circles - 18 degrees apart:

Image

I trimmed things and ended up with this pattern.

Image

I rounded all the square corners on the "star" because it's easier for the Laser to cut out.
Then I added what would be the finished size of the wrench, with a 1/2 inch square - to fit a breaker bar or torque wrench.
I made a 2.25" circle centered around the "star" and an 1.25" circle centered around the square.
And drew a couple lines to hook them together. A little more trimming and...
I ended up with this:

Image

Then I moved it into our Inventor program to make it into an .ipt file:

Image

Then I made it .179 thick, which is 7 gauge. And now we can see it in 3-D:

Image

Looks pretty good on the computer, doesn't it!! :great:
I'll convert it to an .igs file, because out Laser software works well with that type of file.
I have to go to Rapid City to a doctors appointment tomorrow so I'll find out Monday if they had
a chance to cut one out for me.

So, if they are able to cut this wrench out for me, I'll make sure to report back with how well it worked.
There are lots of things that can go wrong - from me not measuring something right or over-looking something...
I guess we'll find out before too long... :D

I just thought I show you guys what I do all day at work... I do have to admit that it is a LOT more fun drawing up stuff for myself!!
I doesn't pay quite as well though... :whistle:

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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Dec 04, 2014 12:23 am 
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You were warned about the AR addiction.

God Bless, Scott


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Dec 04, 2014 6:50 am 
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:whistle: As long as you are doing the setup I would make some extras in case one of your close buddies wanted one. :whistle:

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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Dec 04, 2014 2:13 pm 
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Very cool little project. Please make sure to post pictures of the final product.

Oh yeah ...

What verk said. :yes2:

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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Dec 04, 2014 4:30 pm 
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ampersand wrote:
Very cool little project. Please make sure to post pictures of the final product.

Oh yeah ...

What verk said. :yes2:
:nice: :great:

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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Fri Dec 05, 2014 1:23 pm 
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Nice work Jason! As the guys said, make several. Sell, use for tradin' stock, etc...

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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Fri Dec 05, 2014 6:16 pm 
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Thanks Guys!!
I figured I'd make one and see if it worked or if it doesn't work
figure out why and make another with some changes.

If it does work, I'll see what I can do about making a bunch of
extra's - I picked that thickness because we have a lot of "scrap"
in that size. They don't mind making me a few parts out of the scrap.
Plus it's free... :cool:

It it does actually work good, I'd be happy to send all of you one.
I probably owe you guys that for reading all those long posts and
listening to me piss and moan about everything!!! :whistle:

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Know Guns, Know Safety, Know Peace.
No Guns, No Safety, No Peace.


“The right of the citizens to bear arms in defense of themselves and the state shall not be denied.”
Article VI, Section 24 of the South Dakota Constitution


I sure miss you Amp - (Dean Stephens) - Wish I could have met you.


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Mon Dec 08, 2014 2:38 pm 
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Well, I got that barrel nut wrench today and it LOOKS pretty good!!

But will it fit my nuts??

Image

The fit is perfect!!
Damn, I like it when a plan come together!! :D

Image

It's better to apply pressure to all the little knobs
on the "star" shaped barrel nut. It won't try to compress
or deform in any way if it's getting an equal amount
of torque around the whole circumference of the nut.

What about the 1/2 inch square?
Will my "Wondering Wand" Torque wrench fit??

Image

Yes!! A nice tight fit - better than a loose fit, for sure.

Image

In that last picture, you can see I have a little bit
of deburring to do.
Geez, I just love it when something comes out so nice!! :yes2:

Next is to see if it'll actually work and not deform or slip off.
This is just regular mild steel plate that it's cut out of.
But with 20 knobs - It spreads out the force.
30 ft. lbs. on 20 knobs works out to 1.5 ft. lbs. per knob, if that's how it works!!

This kind of wrench won't work if somebody want to use it on a complete upper.
But it'll work great for a guy that's assembling an upper.
I might make one that's open on one end - but I think material is too soft and thin for that.

They're going to make me 10 more!! :D

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Schofield Gun Sales on FB

Know Guns, Know Safety, Know Peace.
No Guns, No Safety, No Peace.


“The right of the citizens to bear arms in defense of themselves and the state shall not be denied.”
Article VI, Section 24 of the South Dakota Constitution


I sure miss you Amp - (Dean Stephens) - Wish I could have met you.


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Mon Dec 08, 2014 10:04 pm 
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Wouldn't be too tough to harden harden it before you cut the opening in the wrench. Do you have the stuff at work for that?

God Bless, Scott


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Tue Dec 09, 2014 7:19 am 
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We have a full heat-treat set-up here.
Since they start with a 5ft x 10ft piece of sheet steel
we wouldn't be able to heat treat it before cutting.
And I think it'll be fine.
With the load spread over 20 places, even at 90ft. lbs.
works out to only 4.5ft. lbs. per knob.

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No Guns, No Safety, No Peace.


“The right of the citizens to bear arms in defense of themselves and the state shall not be denied.”
Article VI, Section 24 of the South Dakota Constitution


I sure miss you Amp - (Dean Stephens) - Wish I could have met you.


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Dec 11, 2014 8:34 pm 
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Looks good really good.

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06032012


"Contrary to what your mother told you violence can at times solve problems."

"There is only one way to deal with violence is to use greater violence" an Israeli exchange student.

Never shoot a large calber man with a small caliber weapon.


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Thu Jan 08, 2015 10:35 am 
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Since I already had some AutoCad chicanery here...
Just thought I'd show what I'm usually doing with my "real" job, just for the hell of it...

This is the "carousel assembly" for out turret ironworker. It has 3 stations where a punch and die can be mounted.
It's a 50 Ton machine, which means it has that capacity to punch holes in metal, shear and notch it too. It also
comes with an angle shear - to cut angle iron. The 50 Ton Turret machine can punch an 1-1/4" in 1/2" metal.
We have machines that go up to 150 Tons. They can punch up to an 1-1/2" hole in 1-1/4" metal - the selling point
is it'll punch a hole much faster and easier than drilling, and shear metal much faster than sawing.

Anyway - this is a drawing I made for it that will be in the instruction manual that goes with the machine.

Image

I draw every nut, bolt, spring as well as the large parts. Next I have to part number and descriptions.

Thought you fellas might think it it was interesting to look at. :D

I had another picture I wanted show you but photosuckit is giving me troubles again...

Oh well, I'll post it later.

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Know Guns, Know Safety, Know Peace.
No Guns, No Safety, No Peace.


“The right of the citizens to bear arms in defense of themselves and the state shall not be denied.”
Article VI, Section 24 of the South Dakota Constitution


I sure miss you Amp - (Dean Stephens) - Wish I could have met you.


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 Post subject: Re: Hope This Fits My Nuts
PostPosted: Fri Jan 09, 2015 3:35 am 
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Too much for me, I never could get the hang of autocad.

God Bless, Scott


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