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Project Review for Nevin Green
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Project Review for Nevin Green

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A powerpoint overview of my career accomplishments.

A powerpoint overview of my career accomplishments.


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  • Artist rendering of the CEV in space.
  • Artist rendering of the complete launch vehicle with the CEV attached to top, just below the abort rocket motors.
  • 2000 to Present with progressively more difficult projects starting with the most recent.
  • The first Chariot stand-on riding floor scrubber . Responsible for internal design of sheet metal parts, welded assemblies and plastic surfaces, to achieve desired functionality.
  • Completed model. (Colors are for ease of visibility only) Created key external components from Industrial designers imported file (ICEM).
  • Views of rotational molded tank showing internal surface detail required for machine functions.
  • Additional view of tank details.
  • Chariot lower frame: Designed modular welded sheet-metal component & sub-assemblies. Weight is transferred from the center front drive unit, down the middle channel about mid-way, then spread laterally down the sides to the rear wheels
  • Upper frame: Sheet-metal sub-assemblies, also modular, support upper body of operator and controls.
  • Electrical housing (Rotational molded) & sheet metal control panel attached to upper frame section.
  • Vacuum formed bumper assembly provides flexible protection to customers facility.
  • Rear cover attaches over the rear axle & back of control panel. Tilts back or can be removed completely to access batteries.
  • Developed original layout for swinging squeegee: Linkage pivots around the center shaft of the front drive unit to allow nearly 100% pick-up of water on 90 degree turn.
  • Steering components for front drive unit. Designed brackets & shafts for maximum adjustability. Sourced chain & sprockets to achieve 3 to 1 steering ratio from lock to lock.
  • Tank with internal bag (bladder) system. Bag designed in sheet metal module to allow it to be cut from a single piece of material then seam welded together.
  • Vacuum installation & seals. Rear surface of rotational molded tank allows exhaust from vacuum motors to dissipate downward through the body of the machine.
  • Chariot Burnisher for which I did the original functional development work.
  • Compact 17 inch scrubber cost reduction & improved squeegee. Total cost was reduced by 50% . Squeegee performance improved by more than 50%.
  • Screenshot of completed model with squeegee.
  • Improved squeegee assembly (top view) showing transition (in blue) which allowed more freedom of movement without sacrificing any performance.
  • Bottom view showing stainless steel inserts (dark gray) on both sides of center opening providing additional weight to the otherwise lightweight aluminum assembly.
  • Cross section showing smooth transition from intake (gray portion above thin squeegee blades) to hose end of transition piece.
  • Cutter walk behind scrubber.
  • Cutter rotational molded tanks & front cover showing details of internal surfaces & ribs for rigidity.
  • Cutter front & rear views.
  • Glide sit-down riding scrubber. I helped release most of the final drawings for production.
  • Compass multi surface machine, able to inject chemicals & recover them as well. I helped with releasing final drawings.
  • Required to improve function of this floating side squeegee for previous generation ride-on scrubber. Inset shows old design.
  • Redesigned fan housing with integral cord-wrap & wheeled handle.
  • Designed Engine Stands and Cradles for the Boeing 777 engines, as well as Tow bars, and some hydraulic tubing. 1992 to 2000 liaison between engineering & production personnel
  • Completed Engine Stand/Cradle with Boeing 777 engine attached.
  • Completed shipping pallet for Boeing 777 engine attached to cradle.
  • Completed engine stand for Rolls Royce engine for Boeing 777.
  • Typical welded aircraft towbars.
  • Typical stainless steel and aluminum welded tubing.
  • Plasma seam welding machine in operation. This machine is capable of welding 5/8” aluminum at 100% penetration in a single pass.
  • Internal view of completed plasma weld.
  • External view of completed plasma weld.
  • Helium and ultrasonic testing of plasmawelds.
  • Typical weld quality.
  • Transcript