[Noisebridge-discuss] Machine Shop Tap Extractor

[Zachary Morriss]

Stupid question, but I'm assuming you can't get a pair of vice grips on the
remaining tap to back it out?

Zach

On Tue, Jul 10, 2012 at 2:59 PM, Jake <jake at spaz.org> wrote:

> I have tapped a lot of holes 6-32 and 4-40 (even smaller) and without
> having seen your piece, i am guessing you need drastic measures.
>
> If the tap broke off because you knocked the work off the table when you
> went to answer the phone that's one thing, but if the tap is broken
> because you were turning it, and it got stuck, it's stuck!  And the tap is
> of course made of some pretty tough material.
>
> I saw the tap extractor you linked on amazon, it's made for 1/4" taps
> which are much larger.  Do they make such things for such a small tap as
> 6-32?  i would be surprised.
>
> My guess is that you have three options:
> 1. Move everything to the side 1/4", leaving behind the tap and the three
> other holes.
>
> 2. Use a hardened punch to force the tap through the work, if you can get
> to the other side of the hole
>
> 3. Pay a machine shop with EDI or EDM or whatever they call it, when they
> electrically destroy the piece of metal somehow.  I think it's expensive.
>
> -jake
>
> Brian Sullivan wrote:
> Does anyone know if we have a tap extractor for a 6/32 NC tap kicking
> around in the machine shop?  On hole 3 of 4 I snapped my tap in a piece of
> aluminum and am trying to figure out how best to get it out.
>
> Watched a bunch of videos of welding a nut on the end to remove it, but
> hoping not to have to go that route.
>
> Cheers,
> brian
> _______________________________________________
> Noisebridge-discuss mailing list
> Noisebridge-discuss at lists.noisebridge.net
> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.noisebridge.net/pipermail/noisebridge-discuss/attachments/20120710/d29f9d00/attachment-0003.html>