On 4 November 2017 at 00:22, Gene Heskett <[email protected]> wrote:

> Now I know why Shars is considered to be the costo version of machine
> tooling.  I am still trimming the register diameter, but so far only 2
> surfaces have escaped a cutting tool, the OD, which doesn't touch
> anything, and the threads. Everything else either wobbled, or was
> eccentric.

Are you sure that it is mounted correctly on the thread and the register?
It seems to me that you would have to _try_ to make a backplate wobble
relative to the thread as they are probably all done in one setup.

Before you commit too far, have you tried unmounting and mounting it
to see if it goes back repeatedly?

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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