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  1. crunchie12268

    Load Rating for Steel Rack

    Thanks boo1/Mighty, like I said this is just a "guide" for calculations because I couldn't find anything else that was specific to this application. I noticed the MH16.1 referenced ASCE 7 several times and tried to looked through it too, for more information, but I couldn't do so for less than...
  2. crunchie12268

    Load Rating for Steel Rack

    Can anyone else "help"?
  3. crunchie12268

    Load Rating for Steel Rack

    Hello, I've been asked to determine the max load for a set of fabricated steel racks. I've searched around for an answer to my question and believe I should use the ANSI MH16.1-2012 standard as my guide for these calculations. I just want to verify that this is correct? Thanks
  4. crunchie12268

    Intellectual Property

    Hello. I recently left a company where I was doing machine design work for a piece of equipment that would give the company a competitive advantage in their market. I did sign a confidentiality agreement also. I believe I could make several improvements to the machine that would make it safer...
  5. crunchie12268

    Spherical Bearing Help

    The bearing is too big for the load? Dimensionally too big? The shaft size is as small as I can get with the deflection seen at that load... this is using a 17-PH material also.
  6. crunchie12268

    Spherical Bearing Help

    Sorry I may have been a bit ambiguous.. they would like to be able to rotate the shaft with as little as 0.4 lbf when loaded.
  7. crunchie12268

    Spherical Bearing Help

    I am using a SKF 22207E spherical bearing with a SKF N 207 ECP in a cantilever arrangement. With my setup I am placing approximately 4100 lbf of radial load on the 22207E bearing, when I am using the calculator on SKFs website I get a rolling frictional moment of 2.34lbf. Now I have a moment...
  8. crunchie12268

    6061 Aluminum Pitting

    Hello. I have an application where an aluminum 6061 core is slid onto a 17-4PH shaft, the shaft and core rotate together as the shaft locks the core into place. I am seeing a "pitting" right where the end of the core mates against the 17-4PH chamfer... what causes this? There is a hysteresis...
  9. crunchie12268

    Frictional Loss in Roller Bearing

    Hello, I am in the process of selecting a bearing for a tension control application and came across a question I would like to bounce of someone. Say I have a cylindrical roller bearing with a radial force of 4000lbf. Assuming everything else remains the same I increase the radial force to...
  10. crunchie12268

    Process Water Loop

    I do not know why this was orginally selected, my guess would be for corrosion resistance.
  11. crunchie12268

    Process Water Loop

    Hello, Could anyone provide me with a design methodology that they used when selecting materials (pipe mainly) for a process water loop according to the B31.3 specification? I have a prcoess water loop that has been in service for 30 years that will soon be replaced, traditionally we would just...
  12. crunchie12268

    3.1645 AlCuMgPb Material?

    Hello, I have a drawing from Germany with this material called out "3.1645 AlCuMgPb". I am wondering what this would be comprable to? The International Registration Record (AA) U.S.A. Specs calls this a "2007" material? Any help would be appreciated.
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