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mini ball turner.....

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Divided he ad:
HaHa!! You not going to blame me for your workload  ;D

You will never regret it Bernd  :)



I have been a little busy this evening, I had a friend round, slowed me down a little talking and explaining stuff but it was fun all the same.

Here are a few up to date photo's of the progress on the miniBT.


Cutting the slot


The shaped blank



The securing screw holes



The handle hole



That is all I have tonight... more soon.

Keep us upto date Bernd   post it here if you like. ;D





Ralph.

Bernd:
You'll probably get yours done before me.  ;D  But I'm going to keep plugging away at it.

Going to work on the rotating body today. I'm making the whole thing out of aluminum.  :o
Want to see how that works. Gauling could be a problem of the rotating surfaces. I have some material to use if that happens. It's called "turkite". Don't know if the spelling is right on that. It was used at the place I used to work at. It was used on the ways of machines. It's a soft material but can with stand heavy loads when oil is added to the sliding surfaces. I'll take a pic later and post it with the next part of the ball turner I make.

Bernd

Divided he ad:
Bernd, A total alu' construction should work well (certainly be lighter than mine!! ) I suppose you could use a ball or taper bearing if you wanted to be fancy?
There are some others on Steve Bedairs site that use all sorts of various ideas.


Plodding on is all we can do, I will be slow now for a little while, well I can get a few bits done.... But I am waiting on the exact measurements of the lathe sadle it is destined for from the new owner!!

We will see how it all comes out ;D



Ralph.

Bernd:
Ralph,

A bit more progress on my ball turner.  Folks, it's not a mini, but it fits right in with Ralph's build.

I've got the body done. Took a piece of 3" dia. bar and turned it to 2.500". Milled the slot for the tool holder.

Test fitting of the holder and scribing the top of the tool holder.



The temp screws are in place here and the extra material is marked for triming.




So a few more days..... ah weeks?  ::) I'll have it done.  ;D

Bernd

Divided he ad:
Bernd.... Hopefully you have not cut the tool holder yet? .... You see there could be a little issue!


I figured out that if you scribe the line from your tailstock it can be minutely out with the chuck centre!

I use a very sharply turned taper in the chuck to do the scribing, therefore making sure it is in the correct position.

Obviously many peoples tailstocks are spot on.... But a few might not be!!


Hope I haven't ruined your day?


Looks good though  ;D Glad you are adding it to the thread too :)



Ralph.

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