Notes for ME 302 — Machine Design
Part I: Basics
Design and safety factors
Tolerances and dimensioning
Shear and bending moment in a beam
Beam bending stress
Torsional stress
Statically indeterminate systems
Multi-part bar deflection
Part II: Failure prevention
Chapter 5: Failures resulting from static loading
Static loading failure introduction
Maximum shear stress (MSS) theory
Distortion energy (DE) theory (selection from text, no need to print)
Example: MSS and DE theories for plane stress
Example: failure of a shaft rotating at a constant speed
Coulomb-Mohr theory for ductile materials
Failure of brittle materials
Chapter 6: Failures resulting from variable loading
Fatigue strength example
Fatigue failure example
Part III: Design of mechanical elements
Chapter 7: Shafts and shaft components
Introduction to shafts and shaft components
Shaft Materials
Shaft layout
Chapter 8: Screws, fasteners, and the design of nonpermanent joints
Chapter 10: Mechanical springs
Stresses and deflections in helical springs
Example: fatigue in springs
Example: static spring stress analysis
Chapter 13: Gears — general
Introduction to gears
Conjugate action, involute properties, and fundamentals
Loads and power transmission for spur gears