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A rogue thread on my Myford saddle?

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choochoo_baloo11/07/2017 18:47:06
280 forum posts
67 photos

Hello all. Can someone tell me a) the thread & b) it's use, on the rear leg of my Myford ML7 saddle. For comparison I've placed an old style oil nipple next to it - clearly isn't 2BA.

I don't have any 1/4" bolts to hand, but Mike's offerings at lathe spares, made me test a 1/4" BSF tap into the threads. The 1/4" does seem right......assuming it is a 1/4" then why is mine threaded?

The aim is to place a nipple, there. As there is currently no oiling point for the rear bed shear.

Thanks in advance.


alan-lloyd11/07/2017 18:51:51
176 forum posts

Hi, Could it be for mounting the bracket for the coolant gubbings?

Robbo11/07/2017 18:55:31
1504 forum posts
142 photos
Posted by alan lloyd 3 on 11/07/2017 18:51:51:

Hi, Could it be for mounting the bracket for the coolant gubbings?

That's it in one smiley

But there is an oil nipple for the rear shear - wind the cross-slide out and you will see it.

Edited By Robbo on 11/07/2017 18:57:55

choochoo_baloo11/07/2017 18:58:29
280 forum posts
67 photos

Ah ok that figures thanks; as in that extending nozzle thing that I've seen on some Super 7 s?

In which case why is there no top shear nipple like for the front shear?

Robbo11/07/2017 19:27:41
1504 forum posts
142 photos

"In which case why is there no top shear nipple like for the front shear?"

Because there is no room where it ought to go, because of the saddle lock, so its on the rear of the saddle with grooves in the underside of the saddle for the oil to run along. And right awkward to get at.

Nick Taylor 211/07/2017 20:10:18
102 forum posts

Off the top of my head I think it's M6 on my lathe (1974 vintage).

Regarding the oiling of the rear shear - are you aware of the oiler on the back face? Put a good whallop of oil in that and it should coat the rear shear fine.

Edited By Nick Taylor 2 on 11/07/2017 20:10:58

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