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Wasim Younis - One of the best experts on this subject based on the ideXlab platform.

  • Design Problem 5
    Up and Running with Autodesk Inventor Simulation 2010, 2020
    Co-Authors: Wasim Younis
    Abstract:

    This chapter presents agricultural spring mechanism design. The joints covered in this mechanism are revolution, spherical, cylindrical, prismatic, and spring that is manually created. The key features of this design are: input Grapher—change reference axis—define force; force—export trajectory to Output Grapher; Output Grapher—create new curve – set as reference; and unknown force. The requirement of this design problem is to design a spring for the clamp assembly. This needs to provide sufficient tip force to penetrate hard soil, and allow for a limited amount of tip movement in the (mainly) horizontal plane within the working range of tip loads. This will provide for shattering hard soil as the tip travels at a consistent working depth. The loads used have been determined by field trials of the tine across a range of soil conditions. Also one should confirm the total tip movement within the safe working range of the spring. The clamp assembly is designed to allow for a high degree of vertical tip movement later in the tripping sequence, so that the tip can ride upward over obstructions present. The model is used to determine the maximum tip force generated through the tripping range. This, in turn, can then be applied to the chassis to confirm that the chassis design is adequate for the application.

  • Chapter 4 – DP3 – Size Multiple Actuating Jacks: New Mechanism Design for a Transporter Ramp
    Up and Running with Autodesk Inventor Simulation 2011, 2020
    Co-Authors: Wasim Younis
    Abstract:

    Publisher Summary In this design problem, the main aim is to determine the size of the jack required so that the mechanism functions satisfactorily within the field. In addition to the jacks, one needs to determine whether the brackets are strong enough when the ramp is fully loaded. Further, there is a need to investigate the maximum reaction loads of the mounting lugs to help understand whether they can withstand the design load. Therefore, the main requirements for this design problem are to determine—minimum force of the jacks necessary to unfold the ramp, and maximum reaction forces on the mounting lugs. There are some environmental constraints that need to be considered. Under this, the amount of travel required by the two jacks to completely unfold the ramp needs to be worked out. The final step in the design process is that of analyzing the results, in which the simulation panel is changed and the Output Grapher is worked out.