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Posted: 3/31/2020 4:26:16 PM EDT
[#1]
What options do you have? What plastics can you actually get for the printer?
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Posted: 3/31/2020 5:12:38 PM EDT
[#2]
Quote HistoryQuoted: What options do you have? What plastics can you actually get for the printer? So there are 3 options. The 2 Multi Jet Fusion Plastics are cost effective. The SLA plastic not so much since it costs twice as much. Here they are; Multi Jet Fusion Plastic PA 12 Nylon 12 material with a matte finish and slightly grainy feel. PA 12 Glass Beads 40% glass bead filled nylon 12 material with high stiffness and dimensional stability SLA Plastic PA11 (SLS) Nylon 11 material with high ductility and elongation, best suited for applications where high impact resistance is important. I'd like to know how the PA 12 plastics compare to the plastics used in firearm stocks, etc. Is the PA 12 as strong as or better than some of the polymers used in stocks. |
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Posted: 4/3/2020 1:27:15 PM EDT
[#3]
The stocks I make as replacements for Stoner 63 machine guns I do with SLS in Nylon 12. You can literally beat them with a hammer and they are fine.
Butt stock 0.1" think    original verses new 3D printed one.  Stock on gun in rifle configuration  Different type pf stock I printed.  Replacement pistol grip  |
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Posted: 4/3/2020 3:54:37 PM EDT
[#4]
Quote HistoryQuoted: The stocks I make as replacements for Stoner 63 machine guns I do with SLS in Nylon 12. You can literally beat them with a hammer and they are fine. Excellent info, thanks! So if I could tap your expertise a little further sgthatred, the "SLS is Nylon 12" you specified, do you think it's the same as "PA11 (SLS)" that I listed as an option above? I don't have the hardware to print but intend to use a printing service, like Shapeways. And the 3 materials I listed appear to be the closest options. Any thoughts or info would be appreciated. |
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Posted: 4/3/2020 11:56:46 PM EDT
[#5]
To print the parts I used https://www.xometry.com/
I assume its pretty much the same but I'm not sure. I have not tried anyone else but I am going to change since xometry will not print my ammo drums any longer. |
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Posted: 4/6/2020 11:03:33 PM EDT
[#6]
Went and looked the material data sheets up and the stocks I showed above are PA11 aka nylon 12.
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Posted: 4/6/2020 11:27:45 PM EDT
[#7]
Quote HistoryQuoted: The stocks I make as replacements for Stoner 63 machine guns I do with SLS in Nylon 12. You can literally beat them with a hammer and they are fine. Butt stock 0.1" think http://weaponblueprints.com/mongo/pictures/Commando-Stock-1.jpg http://weaponblueprints.com/mongo/pictures/Commando-Stock-2.jpg http://weaponblueprints.com/mongo/pictures/Commando-Stock-3.jpg original verses new 3D printed one. http://weaponblueprints.com/mongo/pictures/Commando-Stock-4.jpg Stock on gun in rifle configuration http://weaponblueprints.com/mongo/pictures/Stoner63A-Rifle-Commando-Style-Butt-Stock-small.jpg Different type pf stock I printed. http://weaponblueprints.com/mongo/pictures/Stoner63A-Rifle-NWM-Style-Butt-Stock-small.jpg Replacement pistol grip http://weaponblueprints.com/mongo/pictures/Pistol-Grip-4.jpg That is pretty wild. What type of 3d printer are you using? Those parts look fantastic. |
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Posted: 4/6/2020 11:33:32 PM EDT
[#8]
Quote HistoryQuoted: That is pretty wild. What type of 3d printer are you using? Those parts look fantastic. Its a laser sintering printer. I use a print company since the printers are 100K ea. |
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Posted: 4/7/2020 11:55:19 AM EDT
[#9]
Quote HistoryQuoted: Its a laser sintering printer. I use a print company since the printers are 100K ea. Quote HistoryQuoted: Quoted: That is pretty wild. What type of 3d printer are you using? Those parts look fantastic. Its a laser sintering printer. I use a print company since the printers are 100K ea. Darn - those are some nice looking parts! I was half-way hoping that it was something I could one day afford. |
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Posted: 4/9/2020 8:29:22 PM EDT
[#10]
Quote HistoryQuoted: Went and looked the material data sheets up and the stocks I showed above are PA11 aka nylon 12. Hey Sgt, did you get the holes tapped? Or is the material easy enough to just screw into without tapping? |
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Posted: 4/10/2020 1:04:36 AM EDT
[#11]
I just have the threads printed right into the plastic. You can have inserts put in or even tap printed holes as well.
This is a feed drum where I printed the acme stub threads right into the wing nut and stud. The model used for this print.       |
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Posted: 4/10/2020 2:19:16 AM EDT
[#12]
Quote HistoryQuoted: I just have the threads printed right into the plastic. You can have inserts put in or even tap printed holes as well. This is a feed drum where I printed the acme stub threads right into the wing nut and stud. The model used for this print. http://weaponblueprints.com/mongo/pictures/New%20Drum-Rev1-9.JPG http://weaponblueprints.com/mongo/pictures/New%20Drum-Rev1-9A.JPG http://weaponblueprints.com/mongo/pictures/new-drum-rear-1.jpg http://weaponblueprints.com/mongo/pictures/new-drum-left-open-1.jpg http://weaponblueprints.com/mongo/pictures/new-drum-rear-open-1.jpg http://weaponblueprints.com/mongo/pictures/new-drum-left-1.jpg That is utterly amazing. |
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Posted: 4/14/2020 9:39:19 AM EDT
[#13]
depending on the size of the parts you want to print you shall also be able to print it with an anycubic or ender or something along those lines, printed some cheek risers for a sako trg 42 on an anycubic i3 mega and they work absolutely fine on a .338lm rifle. using pla for them.
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