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Mechanical Engineering Technology

MEC 1011


MEC 1011 - Design Communication I
Final Project 2010

Due at the end of our Second meeting in Week 14
Communication consistentent with course policy can extend the due date to the end of our final exam meeting.

As usual, create a new folder for your work using your full_name and located in V:\MEC\1011\Fall_10\Final_Projects/Tx (where Tx is T2 or T3).


As in the Mid-Term Project, this project will emphasize one of the middle phases of a typical design process, but it will include more requirements for presenting your design and the evaluation of tolerances will consider fit. You may submit any prior work from the course. For example, someone who made good clean models for the mid-term might further refine the design, buff over the presentation and pitch it again as a final project.

Once again, consider these examples: Landscape Views, Portrait Views of some simple machines. Many of these designs are just at the end of the conceptual design phase. Your job is to build a computer model of a machine, refine the design (considering fit, function, manufacturing, aesthetics etc.) and document the refined design.


·         Produce a concept sketch (freehand pencil on plain 8 ½ x 11) of modest refinements to the design of a simple machine.

·         Produce a complete set of working drawings for the refined design using SolidWorks.

·         Develop a Design Guide, using Word, to compile the rules of the design, ranging from aesthetics (ex. brushed stainless parts fastened with black socket-head cap screws) to manufacturing process plans and capabilities (capabilities include what tolerances are reasonable and what geometric restrictions apply, like draft for casting). Your design guide should also specify minimum clearances between mating parts. Consider table and outline structures for your design guide (see example). Save your design guide (.doc or .htm) in your project V: drive folder.

·         Exchange feedback with a peer through marked-up printed drawings and design guide. After making all necessary changes based on feedback, you must indicate who checked the drawings using the 'CheckedBy' file property.

·         Print at 100% and turn in your design guide and set of A-size drawings (8 ½ x 11).

·         Also, turn in your peer’s set of drawings and design guide marked-up by you. Be sure to share the set with the author before turning it in.

·         Produce a PowerPoint slide appropriate for the 36” plotter (17” x 17” sheet of paper). Your slide should feature a rendering of your machine (1000 pixels wide with aspect ratio locked and white background - surrounded by images of your working drawings, (1) elegant sketch and design guide, Use the Snipping Tool to copy and paste into PowerPoint. Resize to 5” high. See Illustration (details to come).

·         Update your electronic notebook to cover the entire semester including the final project.


Each project must include at least 6 custom parts and some standard fasteners or components.

·         You may use your mid-term project as a basis for your final project if it meets the above requirement or if you embellish the scope to meet the above requirement. For example, if you designed a two-part tap wrench for the mid-term, you could add in the taps, threading dies, and die handle to go with the tap wrench. Or perhaps you could design a case for the tap wrench. If you are using your midterm files, copy the files to your Final Project folder.


·         You can start over and develop a new design if it meets the above requirement. You may start with any existing design whose drawings don’t yet exist. Draw from your imagination, experience or the list of examples.


·         100% cannot be achieved without demonstrating at least something from the following list:

·         Modeling and dimensioning in metric units (millimeters unless your design is very large).

·         Meaningful design analysis as in Assignment 10.

·         Interchangeable Parts as in Assignment 11.

·         Revision Control with Revision file property and Revision Table.

·         Original design.

·         Multistage documentation (as in casting and then machining)

·         Draft and wall-thickness control for casting or injection molding

·         Logical sub-assembly.

·         Clearance fits for moving parts or interference fits for fastening (as in Challenge 2).

·         Turn in your paper package in person and make sure your name gets checked off a list


1.    Completeness: Sketch(es), each working drawing, and the set of drawings must be complete. See Standards of Completeness and Quality.

2.    Quality: See Standards of Completeness and Quality.


·         Add complexity only after you have completeness.


·         Avoid saving crazy-large files in your project folder (>10M, think animation and analysis).