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How to calculate an interference fit over a large temperature range 1

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Andy001

Mechanical
Feb 20, 2008
5
Hey gents,

I have a problem. I am currently trying to calculate the required interference fit of a bush inside a thick walled cylinder, whilst taking into account the effects of a large temperature range (-40 to +150 degrees).
I have the dimensions for both bush and bore but that is it….
I have looked at some of the calculators and they are great, but what I need is to see the equations as well and not just the resultant figures. Can you HELP???
Thanks
 
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Hey desertfox,

the aluminium bush is 1.4mm thick with diameter of 60mm.
The steel part has bore diameter of 60mm and OD 180mm.
 
Hi Andy001

In your earlier post the steel was the bush fitting into the aluminium bore or so I thought.
So the aluminum has an OD of 60mm and a wall thickness of 1.4mm and fits into the steel part?

desertfox
 
Sorry Sorry Sorry.... The bush is the steel part and the alluminium the bore.... stupid typo
 
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