Re: [CAD_CAM_EDM_DRO] Re: Never buy another worm.

I didn't do any roughing at all. In fact I spent as little time as possible to try out this technique. I uploaded a picture to the
files section. The spring allows you to vary the friction on the blank.

See "thewormhasturned.jpg" in the files section.

Lee Studley wrote:

> Hi Joe,
>
> I'd like to see them, did you rough out tooth notches 1st, or
> let the tap do the work?
>
> How did you hold the blank? it has to spin freely right?
>
> Scary ascii diagram of what I think is going on:
> ]]]]]]]]]
> | tap |=====
> chuck |=====XXXXXXXXXX| support
> | /``````\ |=====
> ]]]]]]]]] | O <--|----rotation point??? on crossslide
> \ blank /
> \------/
>
> Its this how you do it?
>
> > I will post pictures tomorrow.
>
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