ME 157
Mechanical System Design
TENTATIVE COURSE SCHEDULE
Week1 Enrollment and course organization, Introduction to design process; Project discussion. (Ch1, 4, Ullman)
Week2 Planning phase; Identification of a need; Specifications development; Concept generation. (Ch5, 6, 7, Ullman)
Week3 Concept evaluation; Product design phase; Documentation; Product generation. (Ch 8, 9, 10, Ullman)
Week4 Evaluation for function and performance; Evaluation for cost, manufacturing, ease of assembly, and other measures;(Ch11, 12, Ullman). Human factors in design. (Appendix D, Ullman)
Week5 Evaluation for function and performance; Evaluation for cost, manufacturing, ease of assembly, and other measures;(Ch11, 12, Ullman). Human factors in design. (Appendix D, Ullman)
Week6 Review of design for dynamic loads (fatigue). (Ch6, Norton)
Week7 Design of mechanical springs; extension, comp. & torsion, Mechanical springs; design for static and fatigue loading. (Ch13 Norton)
Week8 Rolling contact bearings; Bearing types, Life and load capacity; Selection of ball & tapered bearings. (Ch10 Norton)
Week9 Brakes and clutches (friction type); Internal & external drum, Full face, caliper brakes and band brakes, Full face and cone clutches, other type of brakes & clutches (Ch15 Norton)
Week10 Gears; types, kinematics, gear trains (conventional & planetary), Force analysis, Spur and helical gear design based on bending and surface fatigue strength. (Ch11,12 Norton)
Week11 AGMA design code, (Ch11,12 Norton)
Week12 Fatigue design using fracture mechanics approach, Plastic zone, Fracture toughness, Crack propagation rate, examples. (Notes)
Week13 Design with composite materials; Overview of mechanics of composites, Properties, Joining of composites. (Notes)
Week14 Design with plastic materials; Thermosetting plastics, Thermoplastics, Properties, Joining of plastics, (design & processing of plastic parts) (Notes)
Week15 Project Presentation, Course review. Design Project Report Due Dec 10 (Friday)