I may be misunderstanding this, but the whole idea of a torque plate
is to get a cylindrical shape when the head is torqued. a repeatable
measured shape with no pressure applied doesn't seem as important as
the shape under clamping pressure.
On Nov 8, 2008, at 5:24 PM, N197TR4@cs.com wrote:
> FOT,
>
> I have a torque plate, but also have a fixture inspired by our
> production methods at John Deere.
>
> It controls the shape at the skirt.
>
> Using the torque plate drove us bonkers getting repeatability.
>
> The fixture means that we start with dimensional stability of the
> liner, at the time of assembly. What happens to the liner after the
> head goes on, I dont know, but this method has my confidence.
>
> The torque plate is available for borrowing, IF ANY FOT WANTS TO USE
> IT.
>
> The fixture and process equipment is also available for your use and
> I have no financial interest in it's operation. I can help coordinate.
>
> Joe Alexander
>
>
>
>> Having had this happen to a couple of engines...I invested in a
>> torque plate !
>> The liner will go into a "hourglass" shape when compresse. Never
>> had a problem
>> since >
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