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Old 04-20-2014, 05:09 PM   #1
Tin Falcon
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Default Windows shopping for 3-D printer.

Well I have been pondering and googleing. I have been intrigued with the new technology of the 3-d home DIY printers. And the price of the kits have come down . The more I look the more options I see and see how much there is to learn.

As far as options I found this site informative.

http://www.3ders.org/pricecompare/3d...s/?a=DIY%20kit

Like anything else finding something one can afford that has good usability and I like the the looks of it.

Lot of stuff that has wood or plastic frames or looks like it crawled out of a High school robotics lab.
then there is the cube a little too finished and commercial looking . I could afford a used on e off e-bay.
The inventor is intriguing welded steel frame that I can do but it is development and the details not to be found.
IMHO the nicest I have seen for the money is the

Asterid 1000 HB





I did have the crazy Idea of throwing a edruder in the spindle of my mini mill and a hot plate on the bed and giving it a go LOL.
For now I think i will do my homework and watch where this technology goes. And try to put some money aside.
For now need to focus and get the cnc stuff making parts.
So things to ponder for the future.

Thanks for listening to the rambles and insights are always welcome.

Tin


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Old 04-20-2014, 05:56 PM   #2
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I just bought a Solidoodle 4 http://store.solidoodle.com/index.ph..._id=129http://. I was planning to go to the Midwest RepRap fest but got snowed out, I could not get out of my drive in time to catch the train. So I decided Id throw the money I would have spent on the trip with what I figured to spend on parts and just buy one.

I like the Solidoodle because it is fully enclosed and the mechanism is very professional looking- timing belts, good size linear rod and bearings, etc. All the electronics are inside the box, and so far I have not even opened it to see whats in there.

My print results are mixed- several attempts have failed to stick to the build plate. I covered it with glass and used hair spray with only mixed luck. The print quality is not bad- I think with some filling or sanding I could actually use one as a pattern for investment casting of model parts- that is my main goal. Im going to try to spray paint a piece with the sandable primer and see how that fills the ribbing.

Last summer I bought the Printrbot Simple for $299 in kit form. That was a grandson project and it worked pretty well. He is 15 and has not done much hand skill work, other than clicking a mouse He was able to assemble it and get it working. I let him take it home and he continues to print 'stuff' with it. Its main weakness is the axis drive that uses a string and pulleys. Workable and consistent with a $299 device.

I considered the idea of an extruder on a CNC mill, but I dont think it would be fast enough. I haven't figured the speed of the SD4, but it moves a lot faster than my mill will ever go.

There sure are a lot of choices out there.


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Old 04-20-2014, 11:13 PM   #3
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Tempting !!
http://www.studica.com/us/en/XYZprin...d-printer.html



Only $499
and the sibling two headed version $ 699.

I think this is a fast moving technology right now but also a case of how low can you go and keep quality?

Hmmm But I have a feeling this similar to regular printing sell the printer a a slim margin and then mark up the filament big time.
Tin
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Old 04-21-2014, 12:31 AM   #4
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I bough a Makerbot Replicator 2X last year. Not cheap, but got good results out of the box. I have since upgraded the heated build plate to an improved model and a few plastic pieces to aluminum.
Here is a pic of some helicopter tail rotor rigging tools I printed up
Click image for larger version

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Old 04-21-2014, 12:45 AM   #5
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I've been very happy with my Rostock max. It's a kit you have to assemble and does take some time to do, but it was worth it. And they have a wonderful support forum.
What's nice about this printer is its a delta style and very easy to upgrade and tinker with, and I love to tinker.
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Old 04-21-2014, 12:58 AM   #6
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Oh and tin, the files for the enventor are on thingiverse.com.
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Old 04-21-2014, 06:18 AM   #7
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Be careful of printers such as the cube, which requires you to use their proprietary filament cartridges.......costs lots more than filament from a generic supplier and you don't have as many options.

After looking at what was available at the time, I wound up purchasing an Afinia H series about a year ago and have been very happy with it - made my first print within an hour of opening the box

The standard epoxy perfboard build plate works extremely well and I have had zero issues with parts not adhering to the plate - also have tried a glass plate with either kapton film or blue masking tape with equally good results.

I added the extruder temperature control from Octave Systems, which allows you to adjust the extruder temperature for different materials, and have successfully printed parts from ABS, PLA and nylon with no problems.
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Old 04-21-2014, 04:08 PM   #8
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Well I bought an "UP! Plus" 3D printer (heated perfboard platten - 2 litre cube capacity) and have been having a lot of fun with it.

I have used it for some complex parts and also discovered that even where the plastic isn't going to cut it strength wise, giving a toolmaker a solid model to look at can take hours off his time spent interpreting drawings.

I found it amusing to watch one old hand look at the drawing and then pick up the printed model and measure with his vernier as a double check on his understanding.

The UP! software works magic on things like smart support and internal honeycombing as well as calibrating the machine (software takes care of geometric inaccuracies in the machine).

By and large I am well satisfied - although I have been disappointed in the physical strength of some parts.

Thus far I have only printed in ABS.

Regards,

Ken
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Old 04-21-2014, 04:51 PM   #9
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Ken,

The Afinia H series I have is the same printer as your UP! Plus, re-branded for the US market. I hear they just released a new version that incorporates auto extruder height setting and platen leveling functions to make it even easier to use. It's not a big deal for me as it only takes a couple minutes to do once you get the hang of it, but I can see where it would make it even easier for those who want a truly "out of the box and ready to go" printer.

I use it primarily for custom fixturing adapters for laser measurement systems I use in my profession and am very happy with it so far. Agree that strength of printed parts with small cross sections can be an issue, but that's the nature of the plastics used to print with. I typically design for rigidity anyway, so it hasn't been a big issue for me.

I'm in the early design stages of a couple scale model steam turbines, and plan on using the printer to create the patterns for the casings, which I will cast from either aluminum or bronze, but that's a ways away......

Tim
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Old 04-21-2014, 05:12 PM   #10
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Tin,
I just joined a local Mini Maker's Faire group. Several members are doing 3D printing, of which I am clueless, and I bring my air powered steam engine models, of which most of the members are clueless. It's a great way to bring old school and new school together. Lots of interest in robotics too and these guys have to buy all the parts because no one has a machine shop. So I'm thinking I'll have a lot to trade with these guys.

If you have a group near you I'll bet you'll find a lot of 3D printing experience and results to mull over.

Cheers,
Phil


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