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  1. #1
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    3D printing technologies

    This video describe how laser-sintering process melt fine powders, bit by bit, into 3D shapes.




    This video shows how FDM works.



    The video belows explains the process of Stereolithography (SLA).



  2. #2
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    This tech is really just amazing to me. Even after taking apart multiple printer's and other devices for repair and troubleshooting even laser printer's still amaze me. The fact that these can print in 3D brings things to a whole new level. I can't wait to see what kind of crazy things are designed and printed with these kinds of machines.

  3. #3
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    Good morning Khyru42,

    I agree with you 100%, these 3D Printers that make metal parts are so amazing. I can think of lots of things I could do with a 3D Printer like this. The new machines are so much better than the 3D Metal Printers from 10-15 years ago.

    I have several customers who ask me when I'm going to purchase one so that besides providing them with 3D Printed plastic parts I can provide them with steel parts as well.

    These machines are not for the faint of heart. The 3D Metal Printer I have my eye on costs $675,000. Please note that all donations are graciously accepted.

    Have a terrific Holiday Season!
    Robert
    3D Accuracy
    www.3d-accuracy.com

  4. #4
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    Really neat, but I couldn't afford one! I would hope that costs would come down over time. For stressed parts, though, just having it made of metal isn't the only issue. The parts also have to be consistent throughout to be able to handle the stress without developing problems due to voids or inconsistencies in the prints. But, I sure would like to be able to evaluate a metal-capable printer!

  5. #5
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    Here are some more for your consideration:

    Electron Beam Melting


    [edit]
    Looks like I cannot add more videos than one. If a mode comes across this can you up the number?

    Also EBM (electron beam melting).



    Direct Metal Deposition


    If I find more I will add them here.

    [/edit]

  6. #6
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    I, myself, am amazed at the technology that continually evolves and builds upon itself. DMLS machines are getting better with each iteration and the accuracy now possible with these machines just blows my mind. I may not see it in my lifetime but on behalf of the planet and it's dwindling resources I cannot wait for the day when 3d printers construct objects at the atomic level. Can you imagine a technology that uses whatever it has for material, breaks it down to its subatomic components and assembling the needed products from remodeled atoms for the required final composition.

  7. #7
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    3d print technology is evolving so fast, also at the DIY level!
    I love the possibility to make everything you want at home, without buying it. The only limitation is that the material that you can use is almost only plastic, but fortunatly there are big communities studing the possibility of making metal parts with low cost home made 3d printers...obviusly this will never have the quality of a $675,000 metal printer or of a titanium electron beam printer, but I think that this is only the starting point of a long path!

  8. #8
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    Is there a middle ground for people that can not afford the top notch machine to have a company that has the machine, produce your file at an affordable price?
    I'd like to develope some ideas but cost has to be an issue for any developing ideas.
    Thanks
    Wyndham

  9. #9
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    So i just want to clarify something for you wynpotter. You mention "produce your file" which you would not need a printer for but rather some form of modeling software. Unless you are meaning that "produce" means print. If you mean print then i would check out places like Shapeways.com that allows you to build a profile and add your models to it and gives you the ability to sell the model to others at a price you choose. Now be carefull what price you set it at as i have seen some users expect others to pay $1000 for a little trinket. I would never in my craziest dreams pay that unless it was printed in gold. Its a great way to make a little money if what your producing is something in demand that can help offset the price you were charged to have it printed. You can post objects even though you have not printed them yourself.

  10. #10
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    Yes what I meant was printing something that I would use as a master to make a mold(silicone) which I could produce product to be finished and sold.
    Somewhere in this, if there were a material other than plastic that could have a net worth in itself, where the product's retail price could justify the slower speed printer compared to mold reproduction.
    I recently saw a printer coming to the market that will 3d print gold, silver and copper clays. The downside is that it's a $20,000 printer and the gold clay is much more expensive than gold bought for making rings and things.
    I had forgotten about shapways, thanks
    Wyndham

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