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Author Topic: DIY 3D Printer  (Read 10716 times)

Offline z.monkey

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DIY 3D Printer
« on: December 05, 2013, 11:54:19 AM »
I'm thinking about using this to build my next alternator, DiaMag24, a 24 pole, 12 coil, single phase, ABS Plastic rotor/stator, magnetic liquid cooled alternator...

http://black-dog-technologies.blogspot.com/2013/12/3d-printer.html

http://black-dog-technologies.blogspot.com/2013/12/3d-printer-2.html

We shall move forward.  Let there be lights...

Offline Qwert

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Re: DIY 3D Printer
« Reply #1 on: December 05, 2013, 08:08:38 PM »
Hey, with those 3-D printers, even the best one, one can make only a NON-WORKABLE SCULPTURE, nothing else! The material used is always PLASTIC and nothing else. Can you make a working screwdriver? Unfortunately, you can't. You can make only a plastic sculpture. Only try to unscrew a screw with it. I have no idea, why people consider 3-D printers so "miraculous" machines.

Offline z.monkey

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Re: DIY 3D Printer
« Reply #2 on: December 05, 2013, 10:37:41 PM »
Here is an idea for you Quert.

Print the  part, press it into a sand mold, then remove the plastic part, and pour in aluminum.

There is lots of stuff usable as plastic.  Here are some ideas...

https://www.google.com/search?q=3D+printed+examples&client=firefox-a&hs=kVN&rls=org.mozilla:en-US:official&source=lnms&tbm=isch&sa=X&ei=jfGgUumJBaXd2QXwg4A4&ved=0CAkQ_AUoAQ&biw=1573&bih=836

Offline Qwert

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Re: DIY 3D Printer
« Reply #3 on: December 06, 2013, 06:52:17 AM »
Casting alone is not enough in most mechanisms. For example there is shown a gun; it won't work when made using only casting parts. Most mechanisms require parts which need thermal processing or plasticizing, for example. As I said before: 3-D printer is good for sculpting only. And still requires a lot of knowledge to be useful.

Offline dieter

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Re: DIY 3D Printer
« Reply #4 on: April 13, 2014, 12:00:11 AM »
Not agreeing with you, you can do a lot of things much better than with manual tools, eg. a rotor that does not wobble, has snap-in pockets for your magnets, has a nice design, a mix of gothic and alien structure if you like... just copy paste in the modellung app, wysiwyg...
Probably looking better than a test device glued and taped together using some trash.
Watch the EZ spin motor vids of laserhacker on utube, they are printed. Running since two years from a crystal battery.


3D Printers are great for prototyping and a good companion for a CNC mill.


Both however is slow and loud. And a DIY 3D printer sounds like a lot of work that may result in imperfect prints, I'd rather buy one, they became rather cheap.


Regards


Offline TommeyLeeReed

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Re: DIY 3D Printer
« Reply #5 on: December 11, 2014, 02:29:11 PM »
Nice 3d printer, but the cost must be high to build?

This is my under $200 complete 3d printer.

https://www.youtube.com/watch?v=PHldG8atIWY

Tom

Offline dieter

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Re: DIY 3D Printer
« Reply #6 on: December 24, 2014, 12:45:44 AM »
looking pretty good. 0.4mm sounds ok, esp for a diy.  But you must love the building and fiddling. I do not often buy things, so I hope my next phone has a 3D printer built in.
Can you show something you printed with it?

Offline Pirate88179

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Re: DIY 3D Printer
« Reply #7 on: December 24, 2014, 03:23:52 AM »
Hey, with those 3-D printers, even the best one, one can make only a NON-WORKABLE SCULPTURE, nothing else! The material used is always PLASTIC and nothing else. Can you make a working screwdriver? Unfortunately, you can't. You can make only a plastic sculpture. Only try to unscrew a screw with it. I have no idea, why people consider 3-D printers so "miraculous" machines.

I watched a video on Hackaday where a guy built this huge concrete 3 d printer and built a house with it.  Layer by layer, the house was formed.  This technology is useful, in my opinion, and yes, it is still in the beginning stages.  Just think a little bit about where this can go.  There are also folks printing with molten metal...now you have something useful.  It will get better and better.

Bill