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S7 Tail stock

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Alan Gordon 429/09/2017 16:51:46
128 forum posts
13 photos

Hello Chaps, I need some advice, I have a Myford Super 7 but the tail stock does eject any tooling that i put in it . I stripped it down, cleaned and oiled but still it will not eject any tooling, nothing seemed out of place but the only way I can get a piece of tooling out is to "gently" tap it out ! Any ideas as to what is wrong would be greatly appreciated.

Edited By Alan Gordon 4 on 29/09/2017 16:52:09

John Haine29/09/2017 16:53:46
4420 forum posts
262 photos

Do the tapers you are using have ejecting tangs on them?

Alan Gordon 429/09/2017 17:23:49
128 forum posts
13 photos

Hi Colin yes they do

Robert Butler29/09/2017 17:27:29
336 forum posts
6 photos

Dear Alan what do you mean by "tap it out"? Robert

Alan Gordon 429/09/2017 17:35:00
128 forum posts
13 photos

Hi Robert

For instance if I put a drill chuck in when I retreat it I have to give a small tap on the rear end of the chuck. It's only a very gentle tap and it realises ok. It's the same if I insert a revolving centre, but they will not eject automatically

Mike Crossfield29/09/2017 17:44:37
269 forum posts
36 photos

Robert

Are you quite sure you have a Super 7 tailstock, not an ML7 tailstock? The ML7 tailstock is not self-ejecting, and is open at the rear to allow for a drift to remove tooling. On a Super7 tailstock there is no access for "tapping out" MT2 tooling.

Mike

Alan Gordon 429/09/2017 18:02:18
128 forum posts
13 photos

Hi Robert, Sincere apology, The tooling I was trying does NOT have tangs as you suggested, To be fair the the drill chuck which does have a tang now ejects well ( it didnt before) so I guess the clean out I gave it worked !

However The rest of my tolling does not have these tangs so it look like I will have to invest in new MT2 arbours (with tangs)

Michael Briggs29/09/2017 18:17:43
218 forum posts
12 photos

Hello Alan, you can buy screw in tangs for your arbours. **LINK** for example.

Edited By Michael Briggs on 29/09/2017 18:18:28

Alan Gordon 429/09/2017 18:29:56
128 forum posts
13 photos

Thanks Guys

For all your help and advice, Tangs ordered and problem solved

Peter Tucker29/09/2017 18:54:26
183 forum posts

Hi Alan,

I just use a piece of studding or a sawn off bolt.

Peter

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