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Old 08-16-2018, 12:32 AM   #81 (permalink)
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That looks so good!
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Old 08-16-2018, 12:42 AM   #82 (permalink)
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Everything looks better with wood furniture, haha...

If I'm lucky, I'll be able to sneak my parts into a black anodizing order at work. If I miss it I might go with a powder coat.

https://i.imgur.com/gFLz5YQ.jpg
It wouldn't be an automag owned by you without SP wood grips
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Old 08-16-2018, 01:24 AM   #83 (permalink)
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It wouldn't be an automag owned by you without SP wood grips
Haha, I regretted selling you that springfed mag as soon as it left in the mail. This gun is basically directly evolved from it.

Milled internal pockets and finished the opposite side today. I've got a few small manual operations like reaming out holes and then it's done.

Also, made more progress on finalizing the magwell/rail/body interface, which has been the most complicated part of this project after the feed geometry. 3D printing a new magwell model overnight to see how it looks.

It'll be down to the wire, but I think I've got a good shot of finishing this off before I'm back in school. The only part I'm feeling dodgy about is the body - gotta figure out how to reliably fixture a cylindrical piece for three perpendicular operations.








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Old 08-16-2018, 02:59 AM   #84 (permalink)
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Haha, I regretted selling you that springfed mag as soon as it left in the mail. This gun is basically directly evolved from it.

Milled internal pockets and finished the opposite side today. I've got a few small manual operations like reaming out holes and then it's done.

https://i.imgur.com/rZqRIet.jpg

https://i.imgur.com/tOpHqJs.jpg

https://i.imgur.com/Vd4qkHi.jpg

https://i.imgur.com/AkCtasH.jpg
Its been my main marker since I got it. I use it tons, I can see why you liked it so much. I honestly kinda figured, I'm stoked to see how this build works out.
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Old 08-16-2018, 09:49 AM   #85 (permalink)
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The only part I'm feeling dodgy about is the body - gotta figure out how to reliably fixture a cylindrical piece for three perpendicular operations.
No CNC lathe in all of that, I guess. Rotary table mill mount? It may be hidden in a cabinet.

I love shop builds; the work comes out with traits from the available equipment. FiXel used to do some neat stuff with his high dollar spare time. Dukie is the only one that I've seen (in person or otherwise) to be given, and take advantage of, an amount of spare shop capacity that allowed manufacture for sale.

Good luck on the finish!
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Old 08-16-2018, 12:45 PM   #86 (permalink)
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The only part I'm feeling dodgy about is the body - gotta figure out how to reliably fixture a cylindrical piece for three perpendicular operations.
]

Could always do the bore as a first op and spin up a mandrel to hold it. Milling flats on there would effectively give you the ability to index the part in a vice.

Itís coming along nice.
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Old 08-16-2018, 06:25 PM   #87 (permalink)
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No CNC lathe in all of that, I guess. Rotary table mill mount? It may be hidden in a cabinet.
You called it...only problem is I need to learn how to use it now. Haha



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Old 08-16-2018, 10:22 PM   #88 (permalink)
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Expanding mandrel into the body and hold the end of the mandrel in the chuck on the rotary table. You can make either a slip fit piece for the far end to get supported by a tailstock (or a jack/block set to the correct height if one is not available) or thread a support right into the barrel threading.

The last body I made I did a combination of that and what Grimm suggested - made a tight slip fit mandrel that went into each end, and after milling the flat where it mates to the frame just holding it in a vise, drilled through the mandrels and bolted it down to a fixture table using the flat to my advantage.
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Old 08-17-2018, 01:24 AM   #89 (permalink)
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Reamed some holes...trigger's in, pending some dowel trimming.

Decided I want a stainless trigger. At least, I'm pretty dam sure that's stainless...haha





Mockup looks good and feels good. Note this doesn't have the latest interface stuff in the front.


Last edited by russc; 08-17-2018 at 02:14 AM.
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Old 08-17-2018, 09:35 AM   #90 (permalink)
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Looks like you could sell that trigger cutout as decoration. I wonder what it means in Japanese. Maybe just a pair of face to face sevens. nananan

When you get it together, you will need a name for it.
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