2.72 | Spring 2009 | Undergraduate

Elements of Mechanical Design


1 Principles: overview, assessment, group formation   Form groups  
2 Fundamentals: mechanics, dynamics, heat transfer, matrices, and errors      
3 Shafts & ways: deformation, stresses, and integration Lathe assessment GANTT/Schedule M-lab 1: lathes
4 Fatigue: fundamentals and modeling methods      
5 Structures: architectures, homogeneous transfer matrices, and system models     M-lab 2: HTMs and matrices
6 Constraints I: constraint-based design, alignment, preloading, and stability Shaft k, θ, δ, σ, fatigue Shaft exercise D-lab 1: shaft
7 Constraints II: rolling and sliding element bearings      
8 Constraints III: flexure bearing elastomechanics & dynamics     M-lab 3: bearing alignment
9 Connections I: alignment interfaces   Bearing order  
10 Connections II: bolted joints Performance estimates    
11 Drives I: screw drives   1st System model  

Drives II: belt and friction drives

Gears I: kinematics

Spindle errors Spindle assembly D-lab 2: spindle
13 Gears II: mechanics and selection      
14 Actuators: DC motors, piezos, magnet-coil, and hydraulics     M-lab 4: transmission
15 Actuators: thermal and electrostatic microactuators   Rail, bushing order  
16 Vibrations: machine dynamics and damping Cross-slide errors Cross-slide D-lab 3: X-slide
17 Linkages: degrees of freedom and kinematics      
18 Friction elements: clutches and brakes     M-lab 5: IC engine
19 Project work      
20 Project report outline    
21 Carriage errors Lathe assembly D-lab 4: assembly
22 Project report 1st draft    
24 Project report Cutting “smoke” test  
26 Last day of class overview, demonstrations and assessment   Lathe cutting demo  

Course Info

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