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Your new mini-lathe...

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JasonB30/09/2020 19:03:53
18901 forum posts
2082 photos
1 articles

A big bore does not have to mean you need to take big cuts but it can be handy to simply face or work on the end of a larger dia piece of stock then whip it out and saw off before finishing the back without the waste of needing a lump to hold in the chuck so keeps the number of bar ends to a minimum. Or simply mean less stick out when working on longer parts.

I hope you are all ready for the flood of posts from people having problems parting off these larger bars in their lighweight machinesdevil

Mike Poole30/09/2020 19:13:12
2746 forum posts
64 photos

The job is sure to come along along that is too big for whatever bore you have, a fixed steady can be very useful and for those of us with a small bore Myford it is near essential. It’s worth getting familiar with using a steady before the job comes along that needs it.


not done it yet30/09/2020 21:53:19
5024 forum posts
20 photos

I’m with Mike on this one. My spindle will just pass 26mm and so a one inch bar will just go through - if straight. It’s only working on the end that is a problem - usually got over with centre support and a small area turned (depending on the bar) and then resort to the fixed steady. Shifting the steady is likely as good as a 3 jaw (for concentricity) or setting up with a 4 jaw?

ega01/10/2020 17:14:19
1812 forum posts
153 photos

To be useful a 38mm bore would require something like a (heavy) 8" 3J chuck.

Michael Gilligan01/10/2020 21:05:02
16389 forum posts
715 photos
Posted by ega on 01/10/2020 17:14:19:

To be useful a 38mm bore would require something like a (heavy) 8" 3J chuck.


Not for my purposes [see previous page]
... and if you did use such a thing, it would probably end-up destroying the head casting.


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