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  1. tgallifet

    Moving from Creo - drive component from expression in assembly

    Toost, We have a generic master/start assembly with 12 patterns of generic placeholder components. We generate a text file with the desired components and read it into the assembly (INPUTS in Pro/Program). After the refresh, all the patterns are updated automatically. This works only with parts...
  2. tgallifet

    Moving from Creo - drive component from expression in assembly

    The company will be migrating to NX from Creo. We have several parameter-driven master/start parts and assemblies that make heavy use of Pro/Program. We have a separate application that generates text files. The files are read when regenerating the parts/assemblies, and the models automatically...
  3. tgallifet

    Journal Bearing Bushing dilema

    This is a design for a wheel type arangment. The is thrust but it is taken by an other component and is not considered here. Sart and stop are generally every 30 minutes. And the size is fixed, no more space available - these dimensions are already 30% bigger than our previous design!!! I...
  4. tgallifet

    Journal Bearing Bushing dilema

    The key idea is good, but I think it is preferable when the bushing is static with the load. Otherwise it creates a stress riser when the key cavity is loaded. Also I should have mentioned that this is a small journal. The Shaft Diameter is around 2" and the journal length is limited to aroun...
  5. tgallifet

    Journal Bearing Bushing dilema

    The bearing is not run dry. We use grease; the bearing stop and start quiet a lot and there is a lot of vibrations... The shaft is static with the load and the housing / bushing rotate with the load. This is where the "wave" (propagation of the load) comes from. The regular operation of the...
  6. tgallifet

    Journal Bearing Bushing dilema

    Thanks for the answers. What I call the "wave" is the propagation/rotation of the contact pressure inside the rotating housing. I assimilate this to a wave effect, I might be wrong... This sliding contact create some shear, greater than pure friction. I am trying to read a book on contact...
  7. tgallifet

    Journal Bearing Bushing dilema

    Hi, This is my first post here. I was directed here several times after searching Google and found several answers, so I decided to try this. Here is my dilema. I am designing a journal bearing with rotating housing. The shaft is static and made of steel and the housing is made of steel with a...

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