Hey Ian,
Thanks for your experiences. I print PLA and PETG so it's good to know PETG
is possible.
Can you speak more about the nested toroidal coil formers? Are those meant
for primary coils?
Thank you,
Joshua
On Sat, Feb 18, 2023 at 5:39 PM Ian Gault <iancgault@xxxxxxxxx> wrote:
> Hey Joshua,
>
>
> I have 3D printed many coil forms which was my main reason for buying a
> 3d printer.
>
>
> Not sure what software you use, but Tinkercad is free online and has
> worked well for simple designs for a complete 3D software beginner like
> myself.
>
>
> I have been using PETG a lot – seems a good all-rounder and works well
> even for nested toroidal coil formers which are quite intricate. Not
> perfect as the smaller wire guides can snap easily (as I found making
> the center of spiral toroidal coils very difficult to complete
> correctly…)
>
>
> I’m now using PA12-CF Nylon filament for high temperature exposure –
> has a warping temp of nearly 200C, and really strong. Working out great
> so far on this printer (Prusa MK3S+).
>
>
> Some toroidal coils are just beautiful to look at when finished, whilst
> trying to figure out what they can actually be used for!
>
>
> Cheers,
>
>
> Ian.
>
>
>
> Sent from [1]Mail for Windows
>
>
> From: [2]Joshua Thomas
> Sent: Saturday, February 18, 2023 3:18 PM
> To: [3]Tesla Coil Mailing List
> Subject: [TCML] 3D printed coil forms
>
>
> Has anyone experimented with 3D printing coil forms?
>
>
> I’ve used the pvc pipe on the past, but there are a few issues there:
> 1)
>
> Limited to particular diameters; 2) While ID is well-regulated, the OD
> can
>
> vary and be out-of-round; 3) Cutting to size is necessary.
>
>
> All of these issues could be solved by 3D printing, limited only to the
>
> dimensions of the printer. Better for SSTCs than big spark-gap coils.
> My
>
> main concern is the dielectric strength of common materials in 3D
> prints,
>
> like PLA. I can print PLA and PETG on my FDM printer. ABS would require
>
> some upgrades.
>
>
> Also, you could do some really odd stuff, like coils that changed
> diameter
>
> over the length!
>
>
> Anyone have comments or experience?
>
>
> Thanks in advance.
>
> --
>
> Joshua Thomas
>
>
> My new email address is: joshuafthomas@xxxxxxxxx
>
> Please update your information if you have not already done so.
>
> _______________________________________________
>
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>
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>
> References
>
> 1. https://go.microsoft.com/fwlink/?LinkId=550986
> 2. mailto:joshuafthomas@xxxxxxxxx
> 3. mailto:tcml@xxxxxxxxxxxxxxx
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>
--
Joshua Thomas
My new email address is: joshuafthomas@xxxxxxxxx
Please update your information if you have not already done so.
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