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  • Users: Mario11
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  1. Mario11

    Pressure build up in gearbox

    I have a mechanical linear actuator that is a ballscrew mechanism with an oil (Mil-H-5606) filled gearbox. Can someone be so kind to explain why there is pressure build up in the gearbox? How can I theoretically determine what the optimum oil fill volume for the gearbox should be? The unit...
  2. Mario11

    Surface finish and flatness

    Hello, I am using a carbon seal assembly with a flatness of 3 helium light bands with a surface finish of 10 and an operating speed of 3000 RPM. We have been experiencing leakage of hydraulic fluid. This design is from a legacy product from the 1970's that has never experienced leakage in the...

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