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3D Printing: The Basics

Posted April 09, 2015 12:00 AM by CR4 Guest Author

3D printing is certainly making waves in the commercial industry, as it is allowing manufacturers (even small time manufacturers) to create three dimensional objects at will.

Layers of material are laid down and then manipulated by computers to compose a new shape, and from whatever material is requested. There are no limits on shape or geometry.

The way it works is that the machine sequentially deposits material onto a powder bed. Then, using inkjet printer heads, the process of building a new product starts. Newer technologies are also turning 3D printing into a major business, such as extrusion and sintering. Costs are still a concern, but they are rapidly making progress to produce smaller and cheaper machines for public use.

There really is no limit to what the future could hold for us, if this technology is explored even further. It could change the way our world operates, our global trade industries, and perhaps even lead to more efficient product manufacturing. One thing's for sure: emerging technologies are the "gold" of tomorrow.

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#1

Re: 3D Printing: The Basics

04/10/2015 1:39 AM

Will shipping cost,time,emissions etc be reduced by 3D printing by printing any item by a printer on site by giving a command by manufacturer upon paying the cost?.

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#6
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Re: 3D Printing: The Basics

04/11/2015 2:53 AM

I think the obvious answer is yes.

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#2

Re: 3D Printing: The Basics

04/10/2015 9:05 AM

Since I am interested in antique vehicles (and other antiques also) I am wondering what is happening regarding digitizing of parts for which there is no drawing or computer file? When that can be done (maybe it can now,) printing of "cosmetic" parts should be no problem. But printing of "structural" parts is somewhat of a concern; by this I mean parts that may have originally been forged. I have read that printing of race car suspension parts has been done, so it is possible. Any comments?

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#3
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Re: 3D Printing: The Basics

04/10/2015 9:58 AM

Scanning a 3D part is no big deal. We do it frequently.

However, unless you pay a lot of money for a very high resolution scan, the resulting mesh file requires a lot of post processing work to make it a functioning CAD model. Both the tools and the software are very expensive. You can buy cheap scanners, but they have limits, just as you would expect.

Unless the object is a complex geometric shape we prefer to measure the artifact and draw it in CAD. If it is complex, then scanning is the best option.

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#4
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Re: 3D Printing: The Basics

04/10/2015 11:02 AM

If the manufacturer install printers in his branches all over the world there won't be any cyberthreat.

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#5

Re: 3D Printing: The Basics

04/10/2015 11:54 AM

Next up: 3D and bias-relief tatoo's.

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#7
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Re: 3D Printing: The Basics

04/11/2015 3:08 AM

I think you mean bas-relief.....can do 3D tattoo now with CNC mill.

Head in vice, forehead up and go. It would be noisy.

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