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Home Xometry Community Manufacturing Shrink-fitting a thin stainless sleeve into a thick steel housing

Shrink-fitting a thin stainless sleeve into a thick steel housing

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Hi! I’m working on a shrink-fit joint where a thin-walled 304 stainless sleeve is installed into a bored pocket in a much larger 4140 steel housing. The sleeve carries only light axial loads, but I want to size the interference so the hoop stress doesn’t crush or ovalise it. Most interference-fit guidance assumes shaft-and-hub geometry, which doesn’t translate well to a thin liner. How do you estimate hoop stress for a thin sleeve-in-bore to pick a safe fit?

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    • H

      Hi! I’m working on a shrink-fit joint where a thin-walled 304 stainless sleeve is installed into a bored pocket in a much larger 4140 steel housing. The sleeve carries only light axial loads, but I want to size the interference so the hoop stress doesn’t crush or ovalise it. Most interference-fit guidance assumes shaft-and-hub geometry, which doesn’t translate well to a thin liner. How do you estimate hoop stress for a thin sleeve-in-bore to pick a safe fit?

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Shrink-fitting a thin stainless sleeve into a thick steel housing
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