Alex Lee ​​​ what's the biggest working Talos out there?

3D Printing
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@Alex_Lee ​​​ what’s the biggest working Talos out there?

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@Ariel_Yahni_UniKpty I use these motors (http://www.robotdigg.com/product/39/Threaded-Rod-Nema17-Stepper-w/-460mm-Tr8*12-Acme-Leadscrew)

They’re 460mm which translates into about 350mm print height. You can probably try going higher if you can find a longer leadscrew and matching it with longer 2020’s for the side extrusions.

We have sets available at http://3dsupplysource.com/Talos but that set is missing the Y plate (which I can cut for you at material cost $20 + shipping).

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@Alex_Lee ​ would a leadscrew and a coupler be out of the question? I need 18" tall.

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Also I need a 12x12 surface. I know that the profiles will determine all this but since this is a bigger scale I wanted to know of anyone has one working at this sizes.

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@Ariel_Yahni_UniKpty I’ve heard people complain about getting problems with z-wobble and binding, but I’ve never used couplers myself to be honest. But I’ve also seen people use them and they had really good prints. 18" is pretty tall!

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Yeah trying to get someone out of buying a MakerBot Z18

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@Ariel_Yahni_UniKpty I have a machine that was larger than that 12x14x12. I had plans to convert it into a light milling machine with a 400w spindle, took it apart months ago, and the poor thing’s been that way since then.

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Could you provide alum heated bed for a 12x12

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For something that size, I’d recommend using a 110V silicone heater with an SSR. And I can cut the plate to size for you, I’ll have to calculate the cost on the material.

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OK thanks i will look a the BOM and come back to you

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He’s alive!

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@raykholo LOL

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Did I bring you back from the dead???

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@Ariel_Yahni_UniKpty Yes, now I have to deal with the living again… ugh… LOL. Actually, I’ve been a bit busy with work, and I just finish my search for a new one (literally just got off the phone with headhunter). Haven’t been around my machines much or around G+.

Here’s the big machine btw: https://www.dropbox.com/s/z5avi200n4l891u/2017-01-31%2014.06.07.jpg?dl=0

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Here is one of my links for a 500 mm TR82 stepper
http://www.robotdigg.com/product/227/500mm-Tr88-Lead-Screw-Threaded-Nema17-Stepper
It comes out to just under 20" on the shaft.
I’ve had good results from RobotDigg as a supplier for odd parts.

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@Alex_Lee Good Luck on getting re-employed, I got retired ;-}

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@William_Eades I hope one day I’ll be able to retire too! :smiley:

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I saw on Ali a 700mm ballscrew (1506 I believe) for around $40.
For those heights (well above 500 anyways) I think I’d want a ballscrew constrained on both ends.
I’d look at the hercelien Z stage and see if some concepts can be adapted over.