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Thread: Expressions of interest

  1. #1
    Member Shearer's Avatar
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    Expressions of interest

    My step son is at uni in AK and has been working for a company that does electron beam additive manufacturing (titanium 3D printing). They make parts for aerospace, F1, medical (body) parts and Americas cup boats.
    Thinking that sounded kind of interesting I sent him a T3 bolt shroud, which he scanned and then made some changes to, and this is the result.
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    The texture is interesting (and can be changed but I kind of like this, being a bit different) and I don't have a confirmed price yet. It may change with the numbers produced.
    I was wondering if anyone would be interested in buying one if I got a couple done and what sort of money people would pay for one.
    Also if there are any other parts that people think would be likely candidates for this sort of treatment let me know.
    veitnamcam, Munsey, johnd and 1 others like this.
    Experience. What you get just after you needed it.

  2. #2
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    Bottom metal/plastic
    veitnamcam likes this.

  3. #3
    Member 40mm's Avatar
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    a trigger guard/frame for my mossberg 500...
    Use enough gun

  4. #4
    Member Shearer's Avatar
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    Maybe I should have left the last sentence off the OP.
    Experience. What you get just after you needed it.

  5. #5
    Member Double Shot's Avatar
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    So many applications, how awesome, the list could get quite large and the bill lol

  6. #6
    Member dogmatix's Avatar
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    AR15 lower.
    Beaker likes this.
    Welcome to Sako club.

  7. #7
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    It moved your bolt handle to the wrong side, I'd ask for your money back!
    mikee, Pengy and Shearer like this.

  8. #8
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    Quote Originally Posted by Cigar View Post
    It moved your bolt handle to the wrong side, I'd ask for your money back!
    But on the same line, bolt handles for us lefties? No idea if this would work or not

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    Savage bottom metal..

  10. #10
    Member Walker's Avatar
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    The list will be almost endless. parts runs for BSA's might be an option and tikka bolts with the amount of quiries on forums.

  11. #11
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    Be aware that electron beam/laser 3D printed metal is not as strong as normal machined metal of the same grade. With some metals the 3D printed item is only rated at about 50% of the strength of conventional machined metal. Something like a bolt shroud or trigger guard is OK because they are not pressure-bearing items. It is usually much cheaper and stronger to have parts made by conventional machining from bar stock. One-off items are much cheaper to make on ordinary mills, lathes, etc. than would be the case for CNC machining. A good tradesman with a properly dimensioned freehand sketch could make some parts on conventional machines in less time than it takes for the CAD drawings and tool setting to be done for the CNC machine. Using a 3D printer to make PLA patterns for investment casting would be preferable for many items (a process I use myself for some tricky items).
    Double Shot and ChrisW like this.

  12. #12
    GSP Mad Munsey's Avatar
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    Fishing Jigs that work on Snapper
    veitnamcam, Pengy and Shearer like this.
    Rule 7: Avoid alcohol and drugs when handling firearms

  13. #13
    Member Shearer's Avatar
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    Quote Originally Posted by Munsey View Post
    Fishing Jigs that work on Snapper
    Already have some of those @Munsey. It's the fisherman that doesn't work.
    Munsey likes this.
    Experience. What you get just after you needed it.

  14. #14
    Member Shearer's Avatar
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    Quote Originally Posted by gundoc View Post
    Be aware that electron beam/laser 3D printed metal is not as strong as normal machined metal of the same grade. With some metals the 3D printed item is only rated at about 50% of the strength of conventional machined metal. Something like a bolt shroud or trigger guard is OK because they are not pressure-bearing items. It is usually much cheaper and stronger to have parts made by conventional machining from bar stock. One-off items are much cheaper to make on ordinary mills, lathes, etc. than would be the case for CNC machining. A good tradesman with a properly dimensioned freehand sketch could make some parts on conventional machines in less time than it takes for the CAD drawings and tool setting to be done for the CNC machine. Using a 3D printer to make PLA patterns for investment casting would be preferable for many items (a process I use myself for some tricky items).
    I think this depends on the process. They use varying degrees of current for different applications and claim twice the strength and half the weight of machined stainless steel. Should be strong enough for most firearms applications especially small complicated parts.
    This is a 1cm cube with 0.4mm thick structure.
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    Last edited by Shearer; 02-03-2018 at 08:38 AM.
    WallyR likes this.
    Experience. What you get just after you needed it.

  15. #15
    Member Walker's Avatar
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    Would be intresting to see the metalurgical report on the stuff.

 

 

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