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thread indicator

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Nobby11/10/2011 17:49:23
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587 forum posts
113 photos
Hi Paul

Great photos . Has your lathe got a thread indicator ? Is it good for screw cutting ?

Regards Nobby
Flywheel12/10/2011 07:58:01
22 forum posts
Hi Nobby and Paul
 
On the Grayson lathe that I used to own I fitted a Myford thread indicator. I engaged the indicator with the lead screw at the right hand end of the apron [as with the Myford] then spotted through the fixing hole in the indicator and then drilled and tapped the apron. By slackening or tightening the bolt the indicator can be engaged or disengaged as on the Myford,
Hope this is of some help
 
Regards Peter
colin hawes12/10/2011 12:52:46
513 forum posts
18 photos
I have made one for my old 7 inch drummond lathe and used it on very many occasions over many years.
Nobby17/10/2011 23:23:09
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587 forum posts
113 photos
Hi Colin & Guys

I have a drummond flat bed lathe & having problems with split threads . there is only one lever to engage leadscrew . Nobby





Paul Tummers06/05/2014 23:22:02
16 forum posts

Any idea were to go to buy a Myford indacator for a Super 7 at reasonable costs?

I badly need one in good shape.

Lambton07/05/2014 15:06:20
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694 forum posts
2 photos

Nobby,

I have a flat bed Drummond like yours. I have used it a lot for screw cutting with no problems. It is vital to keep the lead screw clutch ( as shown in your photo) engaged at all times and return the carriage to the start by reversing the lathe. Mine still has the treadle so this is a very quick and easy thing to do.

Hope this is of help.

Eric

Jon Gibbs07/05/2014 16:39:50
739 forum posts
Posted by Paul Tummers on 06/05/2014 23:22:02:

Any idea were to go to buy a Myford indacator for a Super 7 at reasonable costs?

I badly need one in good shape.

Have you seen this one?

**LINK**

Leaving everything engaged and putting the lathe into reverse is foolproof and the only way of cutting metric threads on the ML7 imperial version.

HTH

Jon

Edited By Jon Gibbs on 07/05/2014 16:44:25

Nobby07/05/2014 17:35:54
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587 forum posts
113 photos

Hi Jon
I have a S 7 Mk 1 and doing what Eric & Jon says works fine . so its worth a try . I do this using a mandrel
handle . or keep watching on Ebay
Nobby

Sprung loaded mandrel  handle

John Stevenson07/05/2014 18:13:41
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Moderator
5068 forum posts
3 photos

Very novel.

Looks like the steering box drop arm off a Leyland ?

DMR07/05/2014 20:52:08
115 forum posts
14 photos

If Paul Tummers still wants a Myford TDI he can PM me for far less than flee-bay, and it's perfect

Dennis

Nobby07/05/2014 21:56:02
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587 forum posts
113 photos

Hi
Well spotted John . Did you notice it's sprung loaded for safety Similar to milling machines
Nobby

Paul Tummers07/05/2014 21:57:19
16 forum posts
Posted by DMR on 07/05/2014 20:52:08:

If Paul Tummers still wants a Myford TDI he can PM me for far less than flee-bay, and it's perfect

Dennis

Thank you Dennis; it seems, I was too quick because today the man who has done the complete overhaul and conversion to metric mailed me, he had one for me, it was on the machine before he started working on it and belongs to my Myford, so it will be resprayed in Myford grey and then I can pick it up. I am a lucky guy, Myfordsolutions is only 10 miles from my house.

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