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  1. ckguru

    Free Body Diagram of a Tire in Steady state motion

    So in other words, there is no horizontal component of force between the rubber and the road? Now that would describe an icy road no? Can we define or take apart the term "rolling resistance" better as I think it has meaning that has been lost in over-use.
  2. ckguru

    Free Body Diagram of a Tire in Steady state motion

    Thanks for the thoughts. After writing my post, I convinced myself about the forward acting friction force, which I had trouble accepting earlier. Can the friction force be considered of the static type, since relative motion of tire contact patch and road is null? I think that was the...
  3. ckguru

    Free Body Diagram of a Tire in Steady state motion

    Along the lines of discussion thread108-192670 ... I have been puzzled by the question of how a single tire on a moving vehicle maintains steady state motion. Both the torque acting on the center, and the resistive moment of the ground (weak assumption I know) seem to cause an unbalanced force...
  4. ckguru

    Best way to machine features facing opposite directions on 5 axis

    Bill, Thanks for the information. I have a better grasp of the obstacles now. I have resolved myself to just simplify the design to allow machining all from one direction to get what I'm after. I'll have to drill through the part to locate a hole for a pin to be made up separately and...
  5. ckguru

    Best way to machine features facing opposite directions on 5 axis

    Hello, I am designing a block type part which must have features accurately placed on opposite faces, say +Z and -Z. Use 180° rotation feature on 5-axis CNC machine, no problem you say. The CNC programmer and operator of the machine says he will not be able to achieve the accuracy I require...
  6. ckguru

    Unwanted line from LL corner of drawing border to ctr of Bottom View

    Looks like I'm on 0.0. I'll have to get a product serial number and get the latest SP. All's looking better now though.
  7. ckguru

    Unwanted line from LL corner of drawing border to ctr of Bottom View

    I have a Solidworks 2004 drawing created using the "Make Drawing from Part/Assembly" button. I cannot get rid of a line the program draws from Lower left corner of the sheet to the center of the primary view (a bottom view). The endpoint on the corner is fixed and the endpoint of the line on...

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