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Toy dart gun design

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Toy dart gun design

  1. 1. Toy Dart Gun Design MAE 477 Final Project final assembly.bmp By Christopher Deptula
  2. 2. Design Project Goals! <ul><li>Design Goals </li></ul><ul><ul><li>Develop a working toy dart gun design that will not fail under the stresses of firing. </li></ul></ul><ul><ul><li>A design that is easy to use. </li></ul></ul><ul><ul><li>A design that has a working dart clip that will feed the darts to the gun. </li></ul></ul>
  3. 3. Research of Current Products <ul><li>Research </li></ul><ul><ul><li>Comparing Current Products on the market </li></ul></ul><ul><ul><li>Customer Survey </li></ul></ul><ul><ul><li>Reverse engineering of a current product </li></ul></ul>41-vG5yISpL__AA400_.jpg imagesCARP6OSP.jpg IM000224.JPG 41TWHT45STL__AA400_.jpg dart2.jpg 41620665-450x450-0-0_Tommy+Hilfiger+Ruff+Stuff+Air+Blasters+Motorized+M.jpg AAAAC_GgO8wAAAAAAAofpw.jpg 3.bmp imagesCARP6OSP.jpg nerf_n-strike_raider_cs-35.jpg
  4. 4. Early Sketches/ Final Sketchs <ul><li>Three possible gun designs </li></ul><ul><li>Two possible dart clip designs </li></ul><ul><li>Decision Matrix to determine the best </li></ul>SCAN0010.JPG SCAN0009.JPG SCAN0008.JPG
  5. 5. CAD Modeling / Assembly <ul><li>Made up of 4 Sub-assembles </li></ul><ul><ul><li>Handle, Pump, Dart and Clip. </li></ul></ul>dart.bmp clip assemble.bmp pump assembly.bmp handle assembly.bmp Handle pump arm.bmp
  6. 6. side open.bmp CAD Modeling/ Assembly exploded final.bmp final assembly.bmp
  7. 7. Motion Analysis <ul><li>Performed a Motion Analysis to determine the displacement of the Dart </li></ul><ul><li>Calculated to travel 1o Feet </li></ul>motion set up.bmp x-displacement of dart.bmp
  8. 8. Motion Analysis
  9. 9. Finite-Element Analysis <ul><li>Performed FEA on Part Arm and Pump Front </li></ul><ul><li>The Pump Front Fail </li></ul><ul><li>Re-Designed The Pump Front </li></ul>arm results.bmp arm mesh.bmp
  10. 10. Finite-Element Analysis pump mesh.bmp pump stress.bmp pump redesign mesh.bmp redesign stres.bmp
  11. 11. Future <ul><li>The Next Step/ If I had more time. </li></ul><ul><ul><li>Redesign Arm to fit with the new pump front. </li></ul></ul><ul><ul><li>Perform FEA on the new arm and more parts within the assembly. </li></ul></ul><ul><ul><li>Redesign the pump assembly to increase range. </li></ul></ul>
  12. 12. Conclusion <ul><li>Design Goals </li></ul><ul><li>Motion Analysis </li></ul><ul><li>Finite-element Analysis </li></ul>SCAN0014.JPG side open.bmp clip assembly exploded.bmp

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