[modeleng] Re: Bit of a boast but ho hum....

I've been onto MEW and they're interested..... I can't say that the fee
is so big that I'm likely to be able to retire on my earnings as an
author :-).... That said my technique is probably relevant to a lot of
machines besides Myfords, especially things like older British/American
WW2 toolroom lathes (with gearboxes) that are still working fine and
likely to outlast their current owner and the next one but for which
there is little or no support....
chrisc

> -----Original Message-----
> From: modeleng-bounce@xxxxxxxxxxxxx
[mailto:modeleng-bounce@xxxxxxxxxxxxx]
> On Behalf Of clif.gwr@xxxxxxxxxxxx
> Sent: 27 January 2008 19:46
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Re: Bit of a boast but ho hum....
> 
> Hi Chris,
> 
> I dont know about MEW why not just try ME. I am sure it would be of
> interest
> to a lot of people.
>  If they accept it you would get a fee ( dont spend it all at once)
and
> the
> edition that the article is published in, free.
> Or that is the way it used to work.
> 
> Regards
> 
> Clif
> ----- Original Message -----
> From: "Chris Crosskey" <chris.crosskey@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, January 27, 2008 5:25 PM
> Subject: [modeleng] Bit of a boast but ho hum....
> 
> 
> > Hi folks..... sort of gauging opinion here ....
> > My Myford ML7 has the early pattern imperial threadcutting gearbox
> > fitted, it needs the 25:12 pinion set just to cut the threads on the
box
> > as it doesn't have a 2:1 reduction from the box onto the
leadscrew.....
> > Basically I've figured out some simple-ish ways to cut metric (and
some
> > BA) threads on it by combining "strange" sized changegears on the
end of
> > the tumbler and specific settings on the gearbox itself. Frequently
the
> > banjo needs to be set to fine-feed rather than threadcutting. Using
the
> > technique I've recent cut an M49x0.8 and an M62x0.75 internal
threads
> > and (slightly less recently) an M16x1 exterior thread. I'm pretty
> > certain I've not seen info on this before, all the "Metric on
Myford"
> > stuff I have 9including one of DAG Brown's aux banjos expects the
Myford
> > box to have the 2:1 reduction, without it you end up having to
modify
> > published geartrains to halve the size of a driver or double a
driven
> > and it frequently doesn't fit and you end up having to refactor all
the
> > gears.....
> >
> > Would it worth attempting to write it up for MEW? You thoughts
> > please.....
> >
> > chrisc
> >
> >
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