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Old 07-10-2017, 10:28 AM   #551
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Originally Posted by joco-nz View Post
I think i hvw some twist in the actual stand due this weld up that is the root cause. If so then adjusting on the legs might not cut it
Don't look at my stand then. I'm sure mine is not perfect.... but its a pretty large and stiff lathe so it seems OK.


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Old 07-10-2017, 10:38 AM   #552
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I did some checks tonight using Rollie's Dad's method and get 0.135mm delta between the near and far end measurements on the horizontal. And 0.14mm on the vertical. So definitely some work to be done.


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Old 07-10-2017, 10:46 AM   #553
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Default Lathe wheeled legs

Did a little more on the lathe wheeled legs tonight. Cutting slots in the uprights so they can be fitted for welding. Next need to drill holes for the mounting hinges and chamfer the ends of the legs for a tighter fit. Then use these as templates for the the second set of uprights. After that doing some cleaning and getting in there with the TIG on the easy to reach parts. Then blitzing the hard to reach seams with 3.2mm 6013 stingers.

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Old 07-17-2017, 10:37 AM   #554
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Default Lathe legs - fixing an oops

I did a little bit more on the lathe wheel legs and miss read my plans. This resulted in the holes being in the wrong spot on one of the legs. I did it correctly on the second leg. So how to fix things. Well I have TIG torch and I have seen guys built up holes with gas or TIG setups before. So why not give it a go?


First off we plug the holes with mild steel filler.


Then after cleaning things up and grinding back to a flat finish started drilling in the CORRECT spot.



And the finished product. Old holes all filled in and new holes filled. I could have achieved a similar approach with an oxy/gas rig but TIG is what I have and wth the foot peddle its quite easy to control the heat going into the metal. The general approach was to close over the hole on one side then flip over, heat up the edges and fill in until its just a case of pouring metal into the centre of the hole.


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