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The cheapest way to make a tailstock Dro

My cheap Dro

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Steviegtr17/01/2021 02:30:10
1908 forum posts
252 photos

I wanted a Dro on the tailstock of the Myford so i could get an accurate way of drilling a hole in stock. I did not want to drill holes in the tailstock so if i wanted to remove it, i could without damage. This is on my Super 7 , but could be fitted to any lathe with a bit of thought. The cost was under £10 for the whole project.


Tailstock Dro

gary17/01/2021 07:54:37
126 forum posts
31 photos

hi steve, nice video, is that you or the monkey that fills the ashtray.

not done it yet17/01/2021 08:04:42
5596 forum posts
20 photos

Is this an installation of a digi-caliper using neodymium magnets?

Chris Evans 617/01/2021 10:38:59
1863 forum posts

Great work. I put one of those Aldi callipers on my 14x40 lathe around three years ago. I did drill and tap the tailstock for my installation. Best £8 ever spent on the lathe, only just changed the battery for the second time.

Steviegtr17/01/2021 14:19:27
1908 forum posts
252 photos
Posted by gary on 17/01/2021 07:54:37:

hi steve, nice video, is that you or the monkey that fills the ashtray.

It's the monkey. I keep telling him, but will he listen.


Steviegtr17/01/2021 14:21:21
1908 forum posts
252 photos
Posted by not done it yet on 17/01/2021 08:04:42:

Is this an installation of a digi-caliper using neodymium magnets?

No , i did look at making it that way . It seemed to be too unstable. So the fixings are the 2 oil ports. So far it has been ok.


old mart17/01/2021 14:53:09
2669 forum posts
176 photos

Nice result. There are a couple of things to consider when doing a mod like this. The stainless steel can catch you out when drilling and tapping, it is prone to workhardening. I would recommend sharp drills, slow rpm and good feed rate to minimise the danger. Make any holes to be tapped on the loose side, not tight. With a self extracting quill taper, make sure there is going to be a conflict when clamping on a bracket to the end.

I had trouble drilling one of these hardened stainless readouts and had no option but to resort to a solid carbide drill to finish the hole.

Greensands17/01/2021 16:13:17
173 forum posts
25 photos

img_0545.jpgHave attached some pics of my unit made up fro a 100mm long DRO skide from ARCEuro (I think) making use of the 2BA tapped holes provider for the oilers. It has given me excellent service.


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