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Recent content by fnm

  1. fnm

    Lua and FEMM 4.2

    At first sight I understand your drawing is not complete. You should define properties concerning area between air and steel Can you post your lua script?
  2. fnm

    how to mount bearings for leadscrews

    I'm referring to end fixed supports for leadscrews with 7200B angle contact bearings turning at a maximum speed of 600-800 rpm
  3. fnm

    how to mount bearings for leadscrews

    I'm designing a router for milling plastics and soft metals as part of my hobby. My fixed end leadscrews will be according the attached outline using 7200B bearings and 2 Belleville washers for preloading. Cutting forces transmitted to the bearings can be about 120N and I pretend to apply 240N...
  4. fnm

    Fea bearing Models

    Thank you 4pipes for your hints ...but before I explain what I pretend to do I want to tell a little bit about my background. I'm an electronic engineer and I have been working with Algor software in the past during more than 10 years for measuring microstrains applied to load cell designs...
  5. fnm

    Fea bearing Models

    Of course drawing is an outline of a cross section and I'm interested in 3D only, not 2D, static stress analysis. My difficulties begin when I have to chose the element type and its size and adequate meshing at the interface between the ball and the surface of the rail and linearguide. Every...
  6. fnm

    Fea bearing Models

    Attached is a section of a Hiwin model AGH25 linear guideways. This bearing is part of a router moving table and I want to predict displacements. What do you mean by MES? http://files.engineering.com/getfile.aspx?folder=4b82be71-9fe1-4411-b23e-60a510b12475&file=PatinAGH25CA.dxf
  7. fnm

    Fea bearing Models

    I want to analyse stress distribution in a surface when I apply loads through a ball but I don't know how to handle this type of problem. How do I stablish in my drawing the type of elements at the initial point of contact between the ball and the surface? The problem I want to solve is to...
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