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  • Users: adrag
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  1. adrag

    Rod Bolt Stress

    I have a situation where I need to calculate the stress on a rod bolt. I have a 3/8-24 rod bolt which is torqued to achieve a bolt elongation of .006" as measured with a bolt stretch gauge. I have calculated the inertial load at the max rpm and I want to add that to the clamp load to get total...
  2. adrag

    Whats going on with Timken?

    Went to their online catalog to look up some needle bearings and it seems the entire section is missing. The online catalog is here: http://timken.dirxion.com/WebProject.asp?CodeId=7.0.9.2# It goes section A, B, D. Section C, which contained their needle bearings, is missing. I have a Timken...
  3. adrag

    Needle bearing load calculation

    I am trying to design a full compliment needle bearing for the wrist pin of a prototype two stroke engine. I'm using Timken's catalog located at: http://timken.dirxion.com/Main.asp On page C326, Timken gives bearing load rating equations for dynamic and static applications. I have put together...
  4. adrag

    How do I design this part?

    Most of the design work I do is nice, easy flat surfaces so I'm a little lost here. How would I design something like this? It's an intake port that I want to make parametric. It starts off as a parallelogram but I want it to end in a circle. I made a guide line and used the swept feature while...
  5. adrag

    NX5 Assemblies: Tangent to swept feature

    Don't know what the best course of action would be here. I created a helix, then swept a rectangle along the guide using the "swept" feature to create the groove you see. I have an outer sleeve with a pin protruding and I want to make the guide tangent to the pin. I already have an "align"...
  6. adrag

    Looking for injector model

    Does anybody know of any good websites to download models for free? I need a fuel injector and a turbocharger. I was hoping to find something and insert it directly into my model so I wouldn't have to model them myself. Thanks Al
  7. adrag

    NX Nastran 5.0

    When I run the solver, the dos window comes up then promptly closes. I opened the log file I found in the folder and the last few lines are: NX Nastran started Mon May 11 09:41:35 EDT 2009 09:41:35 Beginning Analysis All SSE XMM operations have been enabled. All MMX operations have been...
  8. adrag

    NX5:Space Navigator Question

    Just picked up a 3dconnexion space navigator personal edition and so far I really like it. I had a couple questions: Can I set different speeds to the seperate axes? It seems like it rotates the model too fast but pans and zooms quite slow in relation. I know I can adjust the overall speed. I...
  9. adrag

    NX5: Drafting Annotation

    In drafting, if I have an annotation that defines a hole, is there a way to tie it to a dimension in the modeler? For instance, I'm calling out a hole depth that is .750 deep with <#D>.750. But the depth is defined by p120 in modeling. What is the syntax to relate the hole depth to p120? That...
  10. adrag

    NX5:Assembly mating conditions

    I have several models of engine blocks where I create an assembly with the crank, a rod, and piston. Once, they're mated properly, I can rotate the crank and spin the assembly virtually to check clearances and other things. I would also like to add a camshaft and have that turn as well when the...
  11. adrag

    Race Engines: Why no fuel cut during over run

    I first really noticed this when I went to see my first grand prix and since then I've noticed that many fuel injected race cars pop and backfire like crazy on the over run. I'm referring to naturally aspirated cars, not turbo charged cars which are often equipped with anti lag systems that...
  12. adrag

    SW2007: ChangingModel Reference in Drawing

    I'd like to replace the model that the drawing is referencing with another model. I'm new to SW2007, but I used SW2001 in the past and in that case, I would go to explorer, open up the drawing, right click on the model it's referencing and select replace. Then I could browse to the new model...
  13. adrag

    NX5: Exporting an animation

    Is there a way to export an animation of my assembly in NX5? Either in mpeg or something I can convert to mpeg? Is there a screen capture software I would have to use or is that functionality in NX5? Thanks

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