Sunday, 20 December 2015

Re: [7x12minilathe] MT3 Test Bar from Ebay.

 

A well reasoned argument! I am considering a test bar(s) and a
MT-3 would be my starting point both for my 7X12 and my 12x36. Then I
would think about my 618! The AA-109 is way down the road! And I agree;
this list is a great resource! Bill in Boulder

On 12/20/2015 6:21 AM, WAM ajawam2@comcast.net [7x12minilathe] wrote:
> I do 99% chucking work, mainly dayjob stuff. Lots of boring. I use the
> tailstock for drilling but that's about it. The work I use it for is no
> where near as critical as what you guys do, the modeling stuff I see
> posted by the users like you guys blows my mind.... even with a nuts
> dead on lathe I doubt I could even come close.
>
> I did try and test the tailstock alignment with it - I typically use a
> coax to align the TS.
>
> They center both ends of the test bar... with the indicator still at the
> far end of the testbar, I checked to see how far the indicator moved
> when I cranked a center into the predrilled center hole of the
> testbar. With the center fully seated into the predrilled testbar
> center hole it barely registered any deflection. So i guess the coax
> method I use is OK for what I need.
>
> Happy holidays to all on the list. I can't think of a better resource
> for any machine tool than the forum here. Learned a lot.

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Posted by: Bill Williams <bwmsbldr1@gmail.com>
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