Final Presentation The University of Akron Advisor: Dr.
Final Presentation The University of Akron Advisor: Dr. Scott Sawyer 4/11/2019 Meet the Team Members Steve Gluck (Mentor), Wayne Ritchie, Madison Graham, Emily Dicks, Ariana Cupello About Us All seniors in Mechanical Engineering
Graduating in May of 2019 New to Fluid Power Designs Problem Statement Compete in Fluid Power Vehicle Challenge Sprint Race: 600 feet Efficiency Race: Travel maximum distance using pressurized accumulator (from a stop) Endurance Race: Approximately 1 mile time trial Summary of Midway
Presentation Design Objectives Fluid Power Circuit Design Hardware Selection Analysis using FEA Objectives Design Goals Design Outcomes Dual Front Wheels for Stability Stabilizer Wheels
Efficiency Challenge Component Attachment Direct Mesh on Drive Side Optimize Gear Ratios Optimized Gear Ratios Endurance Challenge Back Wheel Gear Hub
Dual Drive/Regeneration Circuits Dual Drive/Regeneration Circuits Run Simultaneously Rider Comfort Improved Valve Locations New Seat Fluid Circuit Design Pump Circuit - Powered by Pedal Input Reservoir and Ball
5000 psi Pressure Relief Valve Parker F11-5 Motor Eaton 4-Way Valve Analysis Using FEA Tangential Load on a Gear Wt=Torque/radius Overall Load W=Wt/cos(phi) Analysis Using FEA
Vehicle Construction Disassembling previous bike Manufacturing Plate and Bars Cardboard Cutout Spacing With Washers 3D Printed Spacers Vehicle Construction Design/Build Reservoir Calculated volume of fluid needed Transparent design to monitor amount of fluid being used Two iterations to adjust length
Vehicle Construction Stabilizer Wheels Supports pumps on back wheel Prevents tipping/falling Finishing Touches Handlebars/Grips Painting Grind away excess bolts
Replace zip ties Vehicle Testing Vehicle Testing Team Member Sprint (100m) Efficiency Ariana
N/A N/A Emily 40 s 90 ft Madison Wayne 35 s
28 s Details Endurance (1 mi) Details N/A Bike was too large No-precharge
(2500 starting psi) 8 mins 15 sec Not charging 453 ft 1350 psi pre-charge 9 mins 47 sec Charging Intermittently
105 ft No-precharge (2500 starting psi) 7 mins 45 sec Not Charging 500 ft 1350 psi pre-charge 7 mins 35 sec
Charging Intermittently 92 ft No-precharge (2500 starting psi) 7 mins 1 sec Not Charging 492 ft 1350 psi pre-charge
7 mins 7 sec Charging Intermittently Testing and Improvements Precharge for endurance must be lowered ~500psi Rearranging components Remove rubbing points Viewing pressure gauge (proper orientation) Improve overall balance
Wheel axis bent True the wheel Cost Analysis Final Vehicle Design Lessons Learned Teamwork makes the dream work Focus on safety Work with vendors/suppliers More documentation Shipping process Hydraulic application
Thank You NFPA Parker Hannifin Steve Gluck - Team Mentor Bob - Wheel and Wrench Bike Shop Steve Gerbetz - UA Senior Technician Wade Nelson - Welding Master Dr. Scott Sawyer - Team Advisor
* Self-describing grid formats - potential area for collaboration with industry * Functionality to: define/tag the new datums to GIS datasets manipulate, manage and transform between U.S. historical datums and other TRF's project point locations forward and backward in time...
The painting at which I looked was painted by Vincent van Gogh. The girl with whom you talked is a college student. ... Li Hua asked me whether/if I would go to the museum this weekend or the next weekend....
2. Cost modelling ahead of any design. 3. Establishing a cost plan, i.e. distributing the budget over the functional elements of the project. 4. Benchmarking. 5. Obtaining sign-off by the client and the project team. 6. Cost checking design development...
Zonta International increased the 32 district and region Young Women in Public Affairs Awards from US$1,000 each to US$1,500 each. The number and amount of the international awards remains at 10 international scholarships of US$4,000 each.
Nomenclature. The device name in common parlance is shock absorber or shocks. ... I have studied the installation process of hydraulic spot welding machine, seam welding machine, hydraulic punching press, hydraulic shooting and crimping machine.
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