Confused about Myford oil nipples!

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Confused about Myford oil nipples!

This topic has 7 replies, 6 voices, and was last updated 10 July 2017 at 15:17 by choochoo_baloo.

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9 July 2017 at 22:07 #13001
choochoo_baloo
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@choochoo_baloo
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9 July 2017 at 22:07 #306376
choochoo_baloo
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@choochoo_baloo
My query is best illustrated by photos. I have a largely all original 1950s Myford ML7. I bought some new '2BA raised barrel' nipples from lathespares.co.uk

My machine has steel nipples as shown for comparison all over. However one is missing hence I bought some spares.The threads match, which I suppose is all that matters. But the heads are different sizes, and the original and new take 4BA and 3BA spanners respectively. Can someone explain why the heads are different to the originals?!

Are there original design nipples around, or is this an intentional design change for later nipples?
9 July 2017 at 22:32 #306379
David Standing 1
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@davidstanding1
The left hand one is designed to take a positive click on hydraulic type oil gun, which works (in fitting) like a normal grease gun.

The right hand one is designed to use an oil gun with a recessed cone type fitting, such as the Wanner one that Myford supply, where the fit on to the nipple is only sealed by the positive pumping pressure made by operating the gun (and you need the gun to be exactly in line with the face of the nipple).

A grease gun fitting type oil gun will only properly fit the left hand nipple, a Wanner type gun will fit both.
9 July 2017 at 22:35 #306380
Mark Rand
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@markrand96270
The originals are oil nipples, what you have is a grease nipple. Just put oil into it and don't worry. Oil nipples are about as common as rocking horse faeces these days…
9 July 2017 at 22:37 #306381
Nige
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@nige81730
Check that you are not trying to replace a nipple intended to take oil with one intended to accommodate a grease gun. I now see better answers above😊

Nige

Edited By Nige on 09/07/2017 22:38:41
9 July 2017 at 22:37 #306382
HughE
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@hughe
Have you used an oil gun on the new nipples, if so does it work without squirtting oil every where.

The new one looks like a grease nipple which maybe different from a oil nipple. I am sure someone will advise if there is a difference.

Hugh
9 July 2017 at 23:03 #306384
Robbo
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@robbo
If used with the appropriate oil gun your new nipples will put the oil into the machine, rather than up your sleeve which happens with the old type.

Your new type were sold in packs by Myford (the Beeston one) as replacement nipples with the correct thread. The size of the hexagon is irrelevant.
10 July 2017 at 15:17 #306470
choochoo_baloo
Participant
@choochoo_baloo
Thanks all for the assistance. After some experimenting, I can confirm that the new brass style nipples are a lot more forgiving and have a better connection to the oil gun – no leaking anywhere.

So it was a successful design change after all.
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