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DEVIL DOGS

DEVIL DOGS. DEVIL DOGS. CRT Engineering: Carl Fechko Assistant: Charlie Persensky Assistant: Ray Wetzel Assistant: Pat Longano CRT Trades: Scot Fyffe Tom Parr Keith Paschal Greg Ubic. MHS Captain: Zach Wilkie Kalee Barbina Ben Green Justin Hamil Robert Kish Chris Waldron

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DEVIL DOGS

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  1. DEVIL DOGS

  2. DEVIL DOGS CRT Engineering: Carl Fechko Assistant: Charlie Persensky Assistant: Ray Wetzel Assistant: Pat Longano CRT Trades: Scot Fyffe Tom Parr Keith Paschal Greg Ubic MHS Captain: Zach Wilkie KaleeBarbina Ben Green Justin Hamil Robert Kish Chris Waldron Coach: Dean Wadd

  3. Madison Local Schools • The Madison Local School District has a student population of 3,700.  The student body is housed in five instructional facilities:  three elementary schools (K-5); one middle school (6-8), and one high school (9-12).  Vocational students attend Auburn Career Center.  Pre-school for young children, after-school Latchkey, and Adult Basic Literacy Education and GED programs are housed at the district's Memorial Complex. • The mission of the Madison Local School District is to provide educational opportunities with expectations for students to achieve and realize their full potential like Industrial Technology and Project Lead the Way classes. Accordingly, the Madison Local Board of Education is committed to providing an exemplary program of education in which students expect, believe and achieve. • Information from: http://www.madisonschools.net/

  4. Component Repair Technologies • Component Repair Technologies, Inc. is a leader in aerospace component repairs. They provide high quality component repair to airlines, military, and land & marine turbine engine operators around the world. • CRT is a privately held independent company located in Mentor, Ohio in a modern 115,000 sq. ft. facility. They offer a wide range of component repair capabilities on General Electric, Pratt & Whitney, CFM, Honeywell, and the IAE family of engines. • CRT is proud to be a leading supplier to the world-wide aerospace market • Information from: http://www.componentrepair.com/

  5. DEVIL DOGS’ Bios Zach Wilkie (12th) is interested in careers in engineering and manufacturing – friends say he should be a bouncer. In his free time, he likes building things and going to a shooting range. He is involved because he was recommended by his Industrial Technology teacher and wanted hands-on experience in engineering and manufacturing.

  6. DEVIL DOGS’ Bios KaLee Barbina (9th) is interested in careers as a biomedical engineer or a doctor – friends say she should be a psychologist. In her free time, she likes singing and cooking. She is involved in science club because it helps her prepare for jobs with intense work loads and enhances her math and science skills.

  7. DEVIL DOGS’ Bios Ben Green (11th)is unsure about what career interest he has at this point – friends say he should be a comedian, actor, or band director. In his free time, he likes building with Legos, video games, and Dungeons & Dragons. He is involved because it would give him good experience in engineering & design and help decide what he would like to do in the future.

  8. DEVIL DOGS’ Bios Justin Hamil (11th) is interested in careers in psychology - friends say he should be a pilot. In his free time, he likes playing video games, fishing and going to the shooting range. He is involved in science club because he wanted to explore career options.

  9. DEVIL DOGS’ Bios Robert Kish (10th)is interested in careers in architecture – friends say he should be a swimmer. In his free time, he likes building things with Legos, designing buildings in AutoDesk Revit. He is involved because his friends needed someone who was good with AutoDesk Inventor.

  10. DEVIL DOGS’ Bios Chris Waldron (11th)is interested in careers in robotic engineering – friends say he should be in construction or a lumberjack. In his free time, he likes to read science fiction or fiction and play video games. He is involved because Robobots fits with his career interest and he wanted hands-on experience.

  11. RoboBot Goals “FLIP & RIP” • Slide under the opponent with a sloped front and rear in forward or reverse directions • Tear the opponent apart with 2 saw blades from either direction while the opponent is on top

  12. Team Process • Brainstorm • Develop a Time Line • Preliminary Designs • Assemble Chassis & Power Train • Specifications & Testing • Final Designs of Fabricated Parts • Final Assembly Design • Fabricate Parts • Assemble Weaponry & Armor • Problem Solving Steps • Driver Training

  13. Brainstorming As we progressed in the design and construction of our Robobot, we changed our ideas several times. We went from having a square bot with four wheels and saw blades on the sides with spikes on the back to our idea of a square bot sloped in front and back with two wheels in the middle with 2 saw blades on the top We chose this design because it has the best potential. According to research, this type of design had success. Plus, we think design also has a cool look too.

  14. Time Line 2/16 – 2/23 Design the robot more thoroughly - What do we expect the robot to do? speed – gear ratio, speed vs torque, maneuverability, how many wheel drive, etc… Weapon performance – RPMs, torque, clearance, start/stop etc… Body design – armor, symmetrical body design, size… Is it all realistic with the weight requirements?  Nail down the details. Create the specs necessary to create the design.  How will it all fit together? Create detailed blue prints for each piece requiring fabrication. List the material, fab technique, estimated weight, dimensions, attachment technique. Spec sheet for each item that will be purchased (not fabricated) List source, price, # required, est weight, picture etc… 2/24 – CRT meeting Review design and specs already created and make changes as needed. 2/25 - 3/7 Revise drawings and spec sheets as necessary Create assembly drawings of multiple fabricated/purchased components to show how things will assemble and verify clearances.

  15. Time Line 3/8 Finalize the design. All spec sheets, blue prints and assembly drawings are completed and consensus is reached within the group that the best possible design has been achieved. Write a build summary – basic explanation or instructions for manufacture and assembly of the robot. Detail out what order things need to be done in order to keep the build moving.  3/9 – CRT Meeting Review the finalized design. Present a list of necessary materials to be ordered to build and fabricate the robot. 3/10-3/22 Order and receive all materials necessary to build the robot. Put a plan together of which components will be fabricated where and when based on the build summary and what has been received. Begin fabrication as soon as material and labor are available. 3/23 – CRT Meeting Fabricate components and begin assembling them as they are completed

  16. Time Line 4/6 – CRT Meeting Complete fabrication 4/13 – CRT Meeting Complete final assembly. Make any minor adjustments. 4/14 - 4/29 Practice operating the Bot prior to the competition. Determine need of and procure any spare parts that may be required for repairs at the competition. 4/30 - Competition

  17. Preliminary Designs

  18. Preliminary Designs

  19. Preliminary Designs(Software Used) AutoDesk Inventor AutoCAD

  20. Assemble Chassis & Power Train After assembly, we decided that the included parts did not fit our needs. We had to swap out a majority of the chassis components.

  21. Sheet Metal: 1/8” and .090 aluminum Motor: 20,000 RPM with 4 to 1 step down gear box plus a gear with double the tooth ratio for 2500 RPM Wheels: (kit) Blades: 5-1/2” circular saw blades 18 – 24 teeth per blade Belts: xl series timing belts Gears: 20 to 1 ratio for drive motor and 4 to 1 ration for weapon motor Metal Testing: we have used a hammer to hit the saw blade. We have bent the metal to test its strength. Weights: we weighed the parts and materials to ensure we met the maximum limits. Engine Selection: we researched the speed, weight, and torque of different motors and learned about gear ratio to choose the motor Specifications & Testing

  22. Final Part Designs

  23. Final Part Design (Cont’d)

  24. Final Assembly Design

  25. Fabricate Parts Machinists taught us about their trade, like terminology, how to use the machines, math, and some science about the materials.

  26. Fabricate Parts We cut material to shape. We drilled material for fasteners or lighter weight. We had to bend a part made of aluminum and it snapped. We learned the metal had to be slightly heated for it to bend and not break.

  27. Fabricate Parts (Machines Used) Cut Off Saw Band Saw

  28. Fabricate Parts (Machines Used) Vertical End Mill Lathe

  29. Assemble Weaponry & Armor We developed a powertrain system for motors to power inline saw blades. We were able to fasten the aluminum armor to the motors, weaponry, and chassis.

  30. Assemble Weaponry & Armor The bottom of the armor has skid plates and still allows enough clearance for the 2 wheels.

  31. Problem Solving Steps 1.    Define and Identify the Problem 2.    Analyze the Problem 3.    Identifying Possible Solutions 4.    Selecting the Best Solutions 5.    Evaluating Solutions 6.    Develop an Action Plan 7.    Implement the Solution

  32. Define and Identify the Problem During the design stage and other stages in our Team Processes, keeping the weight under 15 pounds was the biggest challenge because we wanted to make our bot with many features such as various weapons and thick-hard armor.

  33. Analyze the Problem We researched many different parts for power, durability, and weight. Our goal was to find parts that were a fit for our Bots function. 

  34. Identifying Possible Solutions We found that to conserve as much weight as we possibly could; thinner armor in places that needed it less, put holes in armor, pick out new parts that weigh less and take up less space

  35. Selecting the Best Solutions We decided that our current motors, weaponry, and using the armor as part of the chassis was best for our Bots function.

  36. Evaluating Solutions We decided we should weigh all the parts, calculate how to transfer power with different gear ratios, and modify the armor.   

  37. Develop an Action Plan We planned to change most of the parts, transfer power with different gear ratios, and modified the armor until we had a final working Robobot that met specifications.  

  38. Implement the Solutions Seeing as all of these solutions were easily implementable, we decided that we would integrate all of the aforementioned solutions into the design of our robot to meet requirements.

  39. The Final Product

  40. Driver Training Captain Zach will be behind the wheels and blades of the Devil Dogs’ Battlebot. Opponents beware – SCRAP HAPPENS!

  41. Safety Check

  42. Competition

  43. Competition • We believe we developed the best RoboBot. • Designing, fabricating, and assembling the RoboBot was a great learning experience. • We appreciate the guidance and assistance from the engineers and manufacturers at CRT. • Go Blue Streaks!

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