Transcript SAPPowerPointx

The Sky Box
by
Sap Engineering
Nikolas Petrus, Alex Artis, Steven Smith
PLTW: IED2
Sidney High School
5.8.2015 – 6.4.2015
Abstract
The objectives of creating the mechanical toy was to utilize and compile introductory engineering skills to create a toy with multiple moving
parts that is suitable for younger children in the North Eastern United States. Brainstorming techniques were utilized to create concepts and
determine parts and size. 3D modeling techniques were used to create all digital models and drawings via Autodesk Inventor. Standard
engineering skills were used throughout the project for basic requirements. Lastly, modified communication skills were utilized as we created
our toy and went through the design process.
Introduction
The purpose of this activity was to create a mechanical toy by using the skills we have learned throughout the year. We are going to 3D model
and create a real life version of a toy that meets the set constraints. Our communication skills and engineering skills will be analyzed and tested
in one large group project. This activity will show us the importance of group work and communication, as you will not always easily
communicate in the real world.
Background
For the project, we researched background information on the topic of mechanical movement. We were able
to gather information on cranks, cams, pulleys and gears. We learned that a crank is an off-center connection
that provides energy to a rotating wheel and as the crank pushes back and forth, the wheel rotates. For cams
we learned that cams are the opposite of cranks, they’re mounted off-center or irregular shaped object and
they turn rotary motion into reciprocating motion. For gears we learned that they are used for transmitting
power from one part of a machine to another, and that they work like wheels but they have teeth around the
edge to prevent slipping. From previous studies we learned about cams and how they functioned. Our work is
different because we put our heart and soul into the project because we spent all our free time working on the
project and used the process of applying decals.
How Cranks Work
• A crank is an off-center connection that provides energy to a rotating
wheel
• As the crank pushes back and forth, the wheel rotates
How Cams Work
• Cams are the opposite of cranks
• Mounted off-center or irregular shaped object
• They turn rotary motion into reciprocating motion
How Gears Work
• Gears are used for transmitting power from one part of a machine to
another
• Work like wheels but they have teeth around the edge to prevent
slipping
The Problem
The problem we were faced with was creating a toy for
younger children that had three moving parts, while following
the set constraints such as the 12” x 12” x 12” size restriction.
We had to keep cost, complexity, attractiveness and
constraints in mind.
Procedure
1) Identify the problem
-Create toy for northeast kids
2) Generate concepts ​
-Concept sketches
-Identify criteria
-Research materials​
3) Develop solution
-Matrix will be used to determine which toy to create
4) Construct and test prototype
-Create parts
-Create assemblies
-Create exploded assemblies
-Create working drawings
5) Evaluate and test solution
-Ask group members what can be changed for the better
-Ask classmates what can be changed for the better
-Use toy to test gears
-Give to kid and ask if they liked it or not (evaluation)
6) Present solution
-Present final product to the class
Generate concepts
These are the sketches we created during the initial brainstorming process.
Solution Developed
We decided what criteria to follow when deciding what solution to use
and created a decision making matrix.
Solution Developed
The toy we decided on was the star wheels, and we finalized the
concept and created a sketch of the final toy.
Parts List
Prototype Constructed
The parts required were constructed and modeled after we determined which materials to use and sizes.
Results
Our project went relatively smoothly the entire time. Even with few minor problems creating the
parts we were still able to finish well ahead of the time we scheduled to finish on our GANTT chart.
Although we did not encounter any major errors we did face some minor interferences while
assembling the toy. We also encountered some sizing issue with the star disc, as there was some
errors in the mathematics behind the disc size, and it was too small to show the moon phases. All in
all the main reason for this ease in creating our toy was due to the fact we spent most of our free
time in school to complete the project. I think this project could be used to show us the importance
of communication, and the hard work engineers go through in order to create a simple toy. Our
results were better than planned, as we are pretty far ahead compared to other groups and our toy
looks very good.
Conclusion
Throughout the project, I learned how important it is to communicate with my group members. I also learned
the importance of hard work, and staying on task. The activity was designed to compile our engineering skills
and communication techniques to create a toy for younger children in the North East United States. We
created working drawings, parts, assemblies and various written documents. Overall the project taught me a
lot about communication and the actual work behind an engineer’s project. (NP)
Throughout the project I was able to learn to work with peers on our own on a major project. I learned how to
work with cams and get more work done with assemblies and constraints. I also learned communication skills.
The project was about allowing people to work together freely and create a toy completely on their own and
also the project was about testing the skills of the students to see how well they work on their own and with
people they’ve never worked with in most groups’ cases. (AA)
Citations
• http://tinyurl.com/m3pjlg4