Re: [TCML] Support brackets for a flat spiral primary - right tool for the job?

[Colin Heath <cohe@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Hi Brian,

I use a milling machine for mine now but previously just machine slots
slightly undersize and press fit tubing. I have done this on many
primaries and always been successful.

As for a smooth edge these soft plastics can be planed just like timber
and it leaves a lovely finish.

Cheers,

Colin Heath







On 03/01/2012 04:13, "Brian Hall" <brianh4242@xxxxxxxxxxx> wrote:

>
>
>Today I 'machined' the bracket supports for what will be my 1/4" copper
>tubing flat spiral primary on my mid-size Tesla coil.
>I documented the process here:
>http://www.youtube.com/watch?v=q1hKE2Ms-tk
>
>And I am curious - what other approaches have been used to milling the
>material?  I know that two tools now on my wish list are a drill press
>and a jigsaw/band saw/small table saw (that would have left much less of
>a mess on the pieces and less re-drilling to get the notch depths right)
>It looks like I am going to end up using zip ties in combination with
>these brackets, through the clear plexi top.  Or do some folks just glue
>the copper tubing down?
>How do you cut this insulating plastic cutting board-type material into
>long lengths and with a smooth edge?
>
>----------------------------------
>
>Brian Hall   
>
>
>
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