Standout Technical Designers MAE 416: ME Senior Design Sponsored by Cooper Hand Tools Group: K4

 Problem Statement  Personnel  Critical Design Features Sketches  Optimization Methods Factors Design Matrix  Ethics  Concluding Remarks

 Design a new tape blade with a minimum standout of at least 10ft while adhering to the defined problem constraints

Brian Sears Team Leader Welder Pooria Javidi Team Treasurer Shop Fabricator Chris Evans Team Communicator Shop Fabricator Nate Ouellette Shop Fabricator Nathan Mize Shop Fabricator Justin Bridges Machinist Artist

Features  Based on Combination of Ideas  Utilizes Original Lufkin Dimensions Requires Less Changes in Production  Edges turned over Double Thickness Flats  Slots Cut Along Blade Length First 2’ of Length Diminishing Returns  Coil Extendable Support Coil wire attached to the blade

Sketches

Factors  Test how material will perform Test sample to yield- calculation. Population mean= ksi Population variance= ksi Coefficient of variance=  Probability density for Ultimate Tensile Strength of 1095 carbon steel.  Cumulative probability

Criterion Value Adj. (%) Blade Grips (score) Blade Support (score) Sym. Blade (score) Cut-outs (score) Heat Treat (score) Stiffness Safety Mfg Func Cost Mkt Durabilit y Score Σ Design Matrix

Engineering Ethics are a set of standards which define engineers’ obligations to the public, their clients, and the profession.  Fundamental Canons 1 st Canon- Safety 2 nd Canon- Perform Services in Expertise 3 rd Canon- Avoid Conflicts of Interest

 Focused on a Single Design  Continued Testing and Simulation  Remain on Schedule  Stay on Budget  Looking Ahead to Prototype Fabrication Any Questions?