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Enlarging a Neoprene Hole

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  • rickyb
    replied
    Sounds like the seal is swelling from oil absorption. Neoprene shouldn’t, but sure sounds like it.

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  • lynnl
    replied
    I'm probably not understanding the scenario correctly, but it sounds like you're saying the problem worsened after the polishing. Maybe the smoothness now permits all lubrication to be wiped away. Does that appear to be the case?
    If so, maybe try roughing up the shaft, and see what happens.
    Last edited by lynnl; 04-27-2022, 05:33 PM.

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  • Spindle
    started a topic Enlarging a Neoprene Hole

    Enlarging a Neoprene Hole

    I have a clutch actuator rod with an OD of .232" that travels @ .500" back and forth through a neoprene seal with a .203" ID, leaving a .029 interference fit.

    In use lube will be 50W motor oil. I polished out he annular grinding rings on the rod which seemed to work at first but two days later I had to pound it out with a hammer.

    Both the rod and seal are new components.

    What's the fix for this?
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