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MYFORD - SWIVELING VERTICAL SLIDE

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Harry Wilkes08/11/2013 15:27:09
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1217 forum posts
64 photos

Hi all would again welcome some advise my lathe came with a Myford swiveling vertical slide but unlike the photo below

$(kgrhqf,!oefis1zt3vnbsqwl8wlcw~~60_12.jpg

mine does not have a single bolt through the base, mine as a threaded tube which secures the bottom swivel then a 'tee' bolt which passes through the tube clamps the slide in place. Do I take it mine is wrong and the photo above is correct.

Thanks H

DMB08/11/2013 15:53:25
1190 forum posts
1 photos

Hi Harry,

I have the old design as pictured by you, which appears to be all present and correct. Machining something sticking only a little way out of the machine vice and overhanging the side of the VS table, the whole lot is liable to move, requiring excessive clamping pressure. Myfords introduced a newer version with a pair of tee bolts side by side on both swivels to reduce amount of tightening but increase the grip and so prevent unintended movement. I also have one of these later types and can confirm their superior design. Dont plan to sell either at present even though I rarely have use for them as I have since obtained a mill with H + V capability. Nothing wrong as such with yours but only light cuts over say 2" radius from vert. screw. You could experiment with a slip of dry (not oily) paper under each joint.

John

Edited By DMB on 08/11/2013 15:55:13

Harry Wilkes09/11/2013 14:28:49
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1217 forum posts
64 photos

Hi John

Thanks for your reply, the point I was trying to make if that the holding down bolt on mine is not as the picture and I feel that in order to pass it through the tube which clamps the swivel makes it quite thin and flimy so I would rather replace it with the proper designed bolt ! So if some kind gent could draw up the bolt and email it to me wink

Cheers H

Ziggar09/11/2013 17:09:47
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115 forum posts
1 photos

just make one to fit.........

don't need a drawing

i just did the exact same thing when i acquired one without the bolt and bottom swivel, simply made them to fit

Z

NJH09/11/2013 18:53:00
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2314 forum posts
139 photos

Hi Harry

The original slide is as you have pictured in your post.

The revised one is here:-

20131109-_dsc9053.jpg

Underside

20131109-_dsc9057.jpg

and disassembled

20131109-_dsc9061.jpg

If you want any dimensions just send me a pm - fairly soon whilst I still have it in bits! ( At the moment it's on the hall table and I'm taking a bit of a chance that my ever loving will not complain for a while)

I did have a "Mk1"  vert. slide some years ago but sold that with a previous lathe - I suspect that the "T" bolt is similar ( certainly the T part will be) but the length might be different.. What length do you think yours requires?

Regards

Norman

 

Edited By NJH on 09/11/2013 19:01:36

John Haine09/11/2013 23:21:04
4272 forum posts
251 photos

Harry, pm me your email address and I can send you some photos I took this evening of the bolt off mine which will give you the dimensions. Trying to use this site to transfer them is making me lose the will to live.

Ady110/11/2013 01:27:58
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4816 forum posts
717 photos

Make one to fit and make it as chunky as possible

The original T on the t-nut is a bit mincy and you need as much stiffness as possible when milling on a lathe

It's also worth bolting an extra hard point against the side of the milling base, (bolted to the cross slide and pushing against the side of the milling slide), this helps to prevent any movement with the single bolt slides, they can swivel under pressure if there isn't any additional support

The second photo shows the two t-nuts of the "improved" version which helps to prevent this twisting weakness the single t-nut version suffers from

 

Edited By Ady1 on 10/11/2013 01:40:58

Harry Wilkes12/11/2013 03:03:05
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1217 forum posts
64 photos

Many thanks for all comments, John have sent PM

H

John Haine12/11/2013 19:56:35
4272 forum posts
251 photos

Harry, was that John me? No pm received yet...

Harry Wilkes12/11/2013 22:07:26
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1217 forum posts
64 photos
Posted by John Haine on 12/11/2013 19:56:35:

Harry, was that John me? No pm received yet...

Yes John I will resend it

H

John Haine12/11/2013 23:16:19
4272 forum posts
251 photos

Mail just sent.

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