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Assignment Your team is responsible for generating competing concepts and down selection,modeling,building and demonstrating a working prototype of the material transfer machine.The key to this project is the power drive system to repeatedly lift the weights one-foot in the minimal amount of time. Since the power screw system has already been ordered,your primary responsibility will be to engineer and construct the power transmission system.Some of the other parts that you need to design might include (but are not limited to)the frame,the bearings,bushings,the connection to the power screw,and the belts. Main Tasks Stage 1.Conceptualization (Week 3-5) In this stage you want to explore a wide selection of concepts for your transmission.Once you have several concepts then pick the best one.Don't skimp on this stage,make sure to give it some time to be truly inspired. 1.Decompose your problem into the main functions 2.For each function(and then as a system as a whole)generate concepts for how to accomplish that function.Try using different concept generation methods such as brainstorming,concept trees,etc. 3.Down select objectively to the best concept as a group.Try using a rigorous method such as concept selection matrices. Deliverable:At the end of this task you should have many different designs,an objective evaluation of the design leading to the chosen concept,a rough drawing(perhaps a simple physical mock-up)of the system and each individual component,a simple operation drawing/diagram showing how the machine will operate through a full cycle. Stage 2.Parameter Design (Week 6-7) Model your design performing whatever analysis and/or experimentation required to size/specify your device.It should be engineered using your course work.The following should be addressed in this stage. 1.Mathematical power transmission analysis,including accounting for losses and efficiencies 2.Mathematical analysis of the belt-drive portion of the power system 3.Mathematical analysis of the screw-drive portion of the power system 4.Manufacturing plans in the form of text (instruction list)and figures-be brief! 5.Documentation of estimated material costs-scrap and garbage is not"free" 6. Documentation of design person-hours and manufacture person-hours. Deliverable:At the end of this task you should have each component modeled with an excellent free body diagram with all the forces and torques noted,a well formatted and commented spreadsheet with all calculations for the unknown variables,failure analysis check of appropriate parts,table of material researched with associated costs,list of design parameters with standard units and materials specified.Assignment Your team is responsible for generating competing concepts and down selection, modeling, building and demonstrating a working prototype of the material transfer machine. The key to this project is the power drive system to repeatedly lift the weights one-foot in the minimal amount of time. Since the power screw system has already been ordered, your primary responsibility will be to engineer and construct the power transmission system. Some of the other parts that you need to design might include (but are not limited to) the frame, the bearings, bushings, the connection to the power screw, and the belts. Main Tasks Stage 1. Conceptualization (Week 3-5) In this stage you want to explore a wide selection of concepts for your transmission. Once you have several concepts then pick the best one. Don’t skimp on this stage, make sure to give it some time to be truly inspired. 1. Decompose your problem into the main functions 2. For each function (and then as a system as a whole) generate concepts for how to accomplish that function. Try using different concept generation methods such as brainstorming, concept trees, etc. 3. Down select objectively to the best concept as a group. Try using a rigorous method such as concept selection matrices. Deliverable: At the end of this task you should have many different designs, an objective evaluation of the design leading to the chosen concept, a rough drawing (perhaps a simple physical mock-up) of the system and each individual component, a simple operation drawing/diagram showing how the machine will operate through a full cycle. Stage 2. Parameter Design (Week 6-7) Model your design performing whatever analysis and/or experimentation required to size/specify your device. It should be engineered using your course work. The following should be addressed in this stage. 1. Mathematical power transmission analysis, including accounting for losses and efficiencies 2. Mathematical analysis of the belt-drive portion of the power system 3. Mathematical analysis of the screw-drive portion of the power system 4. Manufacturing plans in the form of text (instruction list) and figures – be brief! 5. Documentation of estimated material costs-scrap and garbage is not “free” 6. Documentation of design person-hours and manufacture person-hours. Deliverable: At the end of this task you should have each component modeled with an excellent free body diagram with all the forces and torques noted, a well formatted and commented spreadsheet with all calculations for the unknown variables, failure analysis check of appropriate parts, table of material researched with associated costs, list of design parameters with standard units and materials specified
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