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This topic has 6 replies, 5 voices, and was last updated 1 April 2022 at 13:12 by Howard Lewis.

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31 March 2022 at 13:57 #592227
sam Freeman
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@samfreeman20396
Hello everyone,

I'm based in Hertfordshire, retired.

I have an interest in most things mechanical and have quite a large workshop in my garden. In which I among. other things build engines and transmissions. (should that be rebuild?)

I have a Warco wm 250 lathe, a 1946 Myford Lathe, Ajax mill (same as Warco Major), and other assorted tools and equipment (tig welder, chop saw grinding disc type) etc etc.

I will also admit that my main reason forJoining is for some help and advice regarding my Warco lathe, which will be the subject of another post shortly.

I have also read some of the threads here regarding wm250's.

Sam
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31 March 2022 at 13:57 #41250
sam Freeman
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@samfreeman20396
1 April 2022 at 06:21 #592305
Thor 🇳🇴
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@thor
Hi Sam,

Welcome to the forum. You seem to have a well equipped workshop.

Thor
1 April 2022 at 06:52 #592307
David George 1
Participant
@davidgeorge1
Hi Sam welcome to the forum. Ask away on here we have pleanty of helpful members and perhaps you may pass on your knowledge yo others. What Myford lathe do you have.

David
1 April 2022 at 09:25 #592329
noel shelley
Participant
@noelshelley55608
Welcome to the party Sam, if you have questions then someone on here will have an answer for you. Best wishes Noel.
1 April 2022 at 12:34 #592377
sam Freeman
Participant
@samfreeman20396
Thanks for the welcomes,I am not sure of the Model of Myford I have, will look later tho and let you know.

Sam
1 April 2022 at 13:12 #592382
Howard Lewis
Participant
@howardlewis46836
Welcome Sam!

A 1946 Myford sounds like it just predates the ML7, so might be M type or one of the ML1, 2 ,3 or 4 types.

All will be pedestal type beds, with the Tailstock end cantilevered out.

The M type was based on the Drummond, I think.

The ML1 and 2 will be 3 1/8" Centre height

The ML3 and 4 will be 3 1/2" centre height.

The odd numbers will be 15" centre distance, while the even numbers will be something like 21" centre distance .

Spindle nose is likely to be 7/8" x 12 tpi on a 1946 model (The earlier ones were 7/8 x 9 tpi – 7/8 BSW )

The change wheels will be 20 DP, 14.5 pressure angle, driven and compounded by 3/32 pins.

If there are any missing, they can be replaced by modifying ones from a later ML (Which was launched in 1947 ) The bore and thickness is the same, just that the ML gears were driven / compounded with 1/8" keys. So all that is required is to butcher one of the existing gears to use as a jig, by drilling through . You then mount both gears on a 5/8 (From memory ) arbor and drill a 3/32 hole half way through the "new" gear.

You probably know this but:

The Leadscrew is 8 tpi but will need a two stage train to move the Saddle towards the Headstock, under power.

The other "peculiarity" is that rotating the Saddle traverse handwheel clockwise, moves the Saddle towards the Headstock; the reverse of what you might expect.

Hope that this is not teaching granny to suck eggs, and is of some help

Howard
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