Quote Originally Posted by driftspin View Post
Hi devmonkey,

I think you might need 2 rows of bolts rather then the 1 row in the middle.

This will allow for correction of axial deviations.

Did you calculate the expected flex of the plate in relation to the gasket compression forces? This would dictate the number of bolts in relation to the maximum expected compression.

As said before all thing look like made out of gummy now we can measure things in microns.

I might be able to start measuring my machine tomorrow unless shmbo thinks of something more important.

Grtz Bert.



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Hi Bert,

I was hoping that bolting the two sub-plates together with angle would go a large way to reducing the axial deviation (twist), but we'll have to see.

I will calculate the compression forces required after measuring various gasket materials by squashing them with a known mass. If I start with plate that is relatively flat then most of the adjustment will be bringing these two flats into plane, not so much will be bending the plates into plane which requires significantly more force from the gasket. It maybe that a combination of gasket and hard shims under plate bends is required.

Will go hunting for some 10mm aluminium tomorrow and some gasket materials.

Cheers, Joe