From: "Orion105" 
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Reply-To: "Orion105" 


Tom

I've seen them mentioned several times recently but I must have missed
where (in which component) you are considering using compliant hinges?

Ado

> Yes, but there is still stiction/static friction.  I'm
> leaning toward use of compliant hinges as much as possible.
> I think I know what I want to do for the hinges in this
> regard.  Now I need to kick around more ideas on the
> collimation/axial motion control issue.  The way I see it
> there are two tasks:
>
> 1.  Move the cell up/back axially
> 2.  Constrain the motion to only be axial motion
>
> In the typical amateur cell the threaded rod does both
> tasks...but with some slop, so task 2 is not performed very
> well.  In the compliant cells from Clement and Owens the
> compliant hinges constrain the motion very well( task 2), and
> the lead screw/micrometer head performs task 1.
>
> Tom Krajci
> Tashkent, Uzbekistan

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