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Denham Junior Mk2 Drawbar

Assuming it uses 5C collets

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Rockingdodge12/03/2019 13:15:20
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Can anyone tell me if the lathe uses 5C collets or if not what the taper is in the spindle please?

I would like to use a centre but don't know how to do it in this lathe.

I'm thinking if it uses collets then I could machine up a drawbar and use a collet to hold a centre. Of course I would like a kind person to give me the dimensions of said drawbar to do this. wink

Can anyone help please?

Roger

Rockingdodge12/03/2019 15:01:37
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Ok they are not 5C collets, way too big, the spindle bore is 0.75" with a slightly larger taper so how can I find what taper this is?

Anyone?

Roger

ega12/03/2019 15:16:29
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A quick look at lathes.co.uk did not reveal the answer to your question. Why not try offering up, say, a 3MT?

Brian H12/03/2019 15:18:44
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Roger, cannot help with this specifically but www.lathes.co.uk/denham/ may. They also say that they have some literature.

Brian

Rockingdodge12/03/2019 15:27:03
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Thanks Brian, been there, got manual but no info contained therein. It's probably the first items to be discarded, damaged, not replaced and so forgotten in the annals of time. sad

Roger

Brian H12/03/2019 15:30:08
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Roger, the 3 MT suggestion is a good one, the small end of one is just over that for 3 MT.

Brian

Rockingdodge12/03/2019 15:45:21
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A good idea but I only have 1 &2 mt and the main tapers are R8, will try to beg, borrow or acquire one to try

John Baguley12/03/2019 17:28:22
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Mine's 3MT. Just been and checked smiley

John

ega12/03/2019 17:31:00
1284 forum posts
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PS You could always chuck a piece of scrap and turn a centre on that with the driving dog then running against the chuck jaw.

Rockingdodge12/03/2019 18:40:54
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Posted by John Baguley on 12/03/2019 17:28:22:

Mine's 3MT. Just been and checked smiley

John

Cheers John, I'll order up a 3MT dead centre then.

Roger

Rockingdodge12/03/2019 18:42:23
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Posted by ega on 12/03/2019 17:31:00:

PS You could always chuck a piece of scrap and turn a centre on that with the driving dog then running against the chuck jaw.

Having the chuck on will take too much travel off.

Roger

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