2.72 | Spring 2009 | Undergraduate

Elements of Mechanical Design

Lecture Notes

1 Principles: overview, assessment, group formation (PDF)

Fundamentals: mechanics, dynamics, heat transfer, matrices, and errors (PDF - 1.3MB)

Shaft blank exercise (PDF)

3 Shafts & ways: deformation, stresses, and integration (PDF)
4 Fatigue: fundamentals and modeling methods (PDF)
5 Structures: architectures, homogeneous transfer matrices, and system models (PDF)
6 Constraints I: constraint-based design, alignment, preloading, and stability (PDF)
7 Constraints II: rolling and sliding element bearings (PDF)
8 Constraints III: flexure bearing elastomechanics & dynamics (PDF - 4.7MB)
9 Connections I: alignment interfaces (PDF)
10 Connections II: bolted joints (PDF)
11 Drives I: screw drives (PDF)

Drives II: belt and friction drives (PDF)

Gears I: kinematics

13 Gears II: mechanics and selection (PDF)
14 Actuators: DC motors, piezos, magnet-coil, and hydraulics (PDF)
15 Actuators: thermal and electrostatic microactuators

Vibrations: machine dynamics and damping (PDF)

Vibration exercise: part for analysis, vibration.sldprt (SLDPRT)

17 Linkages: degrees of freedom and kinematics
18 Friction elements: clutches and brakes (PDF)
19-25 Project work
26 Last day of class overview, demonstrations, and assessment

Course Info

As Taught In
Spring 2009
Learning Resource Types
Problem Sets
Lecture Notes