[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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