[modeleng] Re: Taper Turning Attachment
- From: "Ken Strauss" <ken.strauss@xxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Tue, 8 Apr 2008 09:09:42 -0400
Permanently mounting one of the cheap 1" travel dial indicators on the taper
mechanism would seem to be a good way to set the taper. The screws would
still be nice to allow fine adjustment but they wouldn't need scales.
> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx [mailto:modeleng-bounce@xxxxxxxxxxxxx]
> On Behalf Of Chris Crosskey
> Sent: Monday, April 07, 2008 12:16 PM
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Re: Taper Turning Attachment
>
> Hi Shep,
> I've got a kit built (well, part built) similar one that I'm planning on
> fitting to my Myford once it's been bodged a bit more.... The idea is
> that you can have a taper turning attachment that covers the full length
> of the bed without needing either an enormous fixture covering the whole
> bed or needing to remove and refit a smaller fixture (like the standard
> Myford one).... I want to put screw vernier adjusters on mine, though
> it's possible looking at the way that mine is made that the upper piece
> can be made easily removeable in which case mine will have the screw
> vernier and a couple of patterns made, one for 2MT and one for 1 3/8
> non-stick (so I can knock out bits for my mill)
>
> Also I've seen one on a Harrison at college that had a copying
> attachment that ran off the parallel bedway.... It even had a repetition
> capstan and stops on it.....
>
> chrisc
>
> > -----Original Message-----
> > From: modeleng-bounce@xxxxxxxxxxxxx
> [mailto:modeleng-bounce@xxxxxxxxxxxxx]
> > On Behalf Of Shep
> > Sent: 06 April 2008 17:18
> > To: Modeleng
> > Subject: [modeleng] Taper Turning Attachment
> >
> > Me again!
> > I drove to nearby Bletchley on Friday (the home of Bletchley Park,
> where
> > the German Enigma code was broken and Colossus, the first programmable
> > digital computer was built) to pick up a taper turning attachment
> taken
> > from a South Bend Heavy 10 lathe, being broken for parts. The cost
> of
> > this was negligible, but it was difficult to gauge the condition, as
> it
> > was heavily encrusted with gunge. My theory is that I can adapt it
> to
> > fit my Hardinge lathe (which in American parlance is an 11" lathe).
> >
> > I have soaked it in paraffin/kerosene and most of the gunge has
> > disappeared, revealing a near-pristine condition (except for a few
> > cosmetic hacksaw scars, made by someone hacksawing in the chuck!). I
> > think that this attachment has rarely been used - unlike the lathe
> which
> > is a wreck!
> >
> > I am slightly puzzled by the mechanism, which has two slides, the
> lower
> > one parallel to the bed, and the upper one, with the normal facility
> for
> > setting to an angle. All previous versions I have encountered do
> not
> > have the lower slide. Any old South Bend operators remember the
> purpose
> > of this lower slide?
> >
> > Any ideas will be welcomed!
> >
> > Cheers Hubert
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