This is your opportunity to show off your solid modelling skills and your creativity. In three parts, you are to 3D model an original design using SOLIDWORKS, evaluate the designs of your classmates to make them more clear and suitable for manufacturing and assembly, then refine the design that you originally submitted such that it can be realistically manufactured. The topic and design choice are entirely up to you, but the more creativity you embody in your design, the greater the chance it may be printed, to some degree, with a 3D rapid prototyper. Your model can be for something brand new, something absolutely useless but cool looking, or something practical. This assignment is broken into three parts, where each part will be due at different times in the semester. The deadlines for each part are clearly posted on Bb Learn. All three parts combined are worth a significant portion of your final course grade, so put significant effort into this. Part I: Original Design Requirements The top requirement for this phase of the assignment is to have fun creatively designing an original work. Whatever you design, it must be your original work. For example, don’t submit a model that is already designed in YouTube or SOLIDWORKS tutorials. Further, your submission must be created this semester. Don’t submit part files that you created in your ME 180 or equivalent courses. Don’t model copyrighted materials. This includes things like the NAU logo, Millennium Falcon or Harry Potter’s Nimbus 2000. Avoid submitting standard everyday items such as cups, paper clips, desks etc. Such standard items do not embody the creativity required for this assignment. Incorporate at least three parts in order to demonstrate assembly mating skills. Consider how these parts will be assembled or joined together (screws, bolts, adhesive, welds, sewn seams, etc). Fully dimension all parts of your design. Create ASNI engineering drawings for each of the parts. Indicate which materials the parts should be made from (e.g. wood, steel alloy, 6061 aluminum, ABS polymer, etc.). Create an Assembly file, and an exploded view Assembly drawing showing how all the parts are joined together. Part I Deliverables: Upload the complete CAD package (include parts, assemblies, and drawings) of your design to BBLearn as a zipped “pack and go” file. It is important that all original part and assembly files are kept in the original folder before it is zipped. Don’t change file names midproject as this will affect the fidelity of the shared file. Separately print out the ANSI A (8.5” x 11”) engineering drawings for each of the parts and the assembly. Put the Assembly Drawing first then all the part drawing files. Bring two printed copies of your drawing set to class on the Part I due date (indicated in BBLearn). Write up a short, 1-2 page memo detailing your developed model. The memo should be uploaded in PDF formal along with the zipped pack and go file. You should also print two copies of the memo and bring to class along with the engineering drawings mentioned up above. The memo should contain the following content: 1. Introduction with summary of the problem and the memo contents; Conclusion reminding the reader the key points of what the memo communicates. 2. Description of the model and why it is Awesome (or unique, or useful, etc.). 3. Description of the intended materials to be used in your design, and why they are chosen. 4. Description of how your design is assembled together. 5. Throughout the written description, use multiple 3D views to communicate your design. Reference which figure you are referring to in your writing. A good thing to keep in mind is whenever you talk about the form of anything, a visual should be nearby for the audience to reference. At a minimum, include one Isometric View, a Front View and a Top or Side View, depending on which face of the drawing indicates the most detail. All views must be shaded (no wire views). See example figures (Figures 1.1-1.3). Use the same 6. An Appendix containing the dimensioned engineering drawing(s) of your model. The appendix does not need to be printed out if you already have two copies of each fully dimensioned engineering drawing.
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