Wentworth Institute of Technology
Department of Electronics and Mechanical Engineering
MECH395 Mechanical CAD Apps I (2-4-4) Syllabus, Fall 2009
Course Description:
This 3-D CAD course provides insight into the mechanical design process. Interface
tolerance analysis to ensure manufacturability of designs is explored.
Course Learning Objectives:
1. Introduction of the basic steps of Parametric Modeling
2. Creation of detailed drawings from Parametric Modes
3. Creation of assembly drawings
4. Introduction of Design Intent through Interface Analysis
5. Tolerance Analysis based Interface Analysis
6. Innovative problem-solving techniques
7. The ability to work efficiently
8. The ability to work in groups
9. Analytical thinking skills
Prerequisites:
MECH124- Mechanical Graphics
Instructor:
Professor Ali R. Moazed, P.E.
Office: Kingman Hall 6-202A
Extension: 4367, E-mail moazeda@wit.edu
Office Hours:
MR
W
T
12:00-12:50
10:00-10:50
1:00- 1:50
Text: Engineering Design with SolidWorks 2009, David and Marie Planchard , Schroff
Development Corporation
Grading Policy:
Class Hours:
Homework / Lab Exercises: 25%
Midterm 10%
Quizzes: 10%
Final Project: 50%
Final Exam (Take Solid Works Certification Exam): 5%
03/04 Section: Lecture: R
10:00-11:50
Lab : M T 10:00-11:50
05/06 Section: Lecture: R
10:00-11:50
Lab : M W 10:00-11:50
BEATTY 303
BEATTY 301
RBSTN 103
RBSTN 201
Reference: Solid Works On-Line Tutorials Provide Additional Resources for Self-Help
Note: There is a final student project in this course. The focus of the design project is to incorporate solid
modeling, design interface identification and tolerance analysis to produce manufacturing drawings.
All written work submitted for this course must meet the Standards for English I. Poorly written papers
will be returned to you, without a grade, for revision. Students are encouraged to utilize the Writing
Center facility for help polishing their papers. The Center for Teaching and Learning (CTL), located in
Beatty 402, offers FREE tutoring in a number of subjects from all departments, and is open MondayFriday (Monday-Thursday in the evenings). You are encouraged to visit the CTL web site
http://www.wit.edu/academics/resource to Make an Appointment if you need extra help with your
courses.”
Wk
1
Class Topic
Syllabus Review
Introduction to CAD Communication The
Development Process and CAD
LECTURE 1- Introduction to Computer
Aided Design, and Tolerances
2
LECTURE 2Sketching, Flow Charts, Feature Based
Modeling, Adding Details and Dimensions
Tolerances continued
LECTURE 3- Design Intent
Introduction to Assembly
Interface Control Techniques
Development of a Drawing Template
Assemblies in Solid Works
3
4
LECTURE 4 – Interface Check List
Tolerance Development
Anticipating Changes- Robust Modeling
5
LECTURE 5 – Design Implementation
Interface Check List Applied To Air Engine
Developing Manufacturing Drawings
Geometric Dimensioning and Tolerances
6
LECTURE 6 - Design Process
Mid Term Exam
7
LECTURE 7-Intro to Final Project
Final Project report Specifications
Developing Parts Lists
LECTURE 8- Engine Kinematics
Introduction to Engine Simulator 1
Tolerance quiz-1
8
9
LECTURE 9- Engine Design Issues
Tolerance quiz-2
Introduction to Engine Simulator 2
10
Tolerance quiz-3
11
12
Final Project: Design Issues (File)
Tolerance quiz-4
Complex Tolerance Analysis
Adding Material Properties / Finite Element
Analysis
Lab Topics / Assignments
Introduction to Solid Works 2009
Fundamentals of Part Modeling
HW#1- Pages 1-1 to 1-64, Do 30 minute lesson
Print ISO view of PLATE part.
HW#2 – Air Engine: Cylinder, Flywheel, Simple
Base Plate with Hole Locations
Fundamentals of Part Modeling
HW#3- Pages 1-63 to 1-110, Print ISO view
HW#4 Air Engine: Crank Disk, Cylinder Plate,
Piston, Crankshaft, Pivot Pin
Development of a Drawing Template
HW#5: 3-1 to 3-22 Drawing Template, print A
and B size Templates
Fundamentals of Assembly Modeling
HW#6-Pages 2-1 to2-46, ISO view on template
only, no dimensions
Read Pages 2-49 to 2-79
HW #7: Exercise 2.6
email files to me as: your last name1.AVI
HW#8: Assemble Air Engine and Print ISO on
Template, Motion study of Engine
HW#9: Online tutorial – Productivity
Enhancement; “Design tables”. Print ISO view of
each configuration
Fundamentals of Drawing
Pages 3-23 to 3-79
HW#10: Exercise 3.7
Mid Term Exam, Solid Modeling
HW# 11: Drawings for All Air Engine Parts /
Assembly with all interface tolerances
Extrude and Revolved Features
HW#12-Online tutorial- Revolves and Sweeps,
ISO view only, (Ref Pages 4-1 to 4-71 for help)
Use Simulator 1 to prepare proposals
HW#13- Pgs. 5-13 to 19 Swept Parts- print ISO
Design Project- Proposals Due second lab
Presentation of Proposals
Solid Modeling Quiz 1
Redesign options- Discussions
Developing Final Specifications-Cylinder end cap
design, piston design.
HW# 14:Online Tutorial: Sheet Metal Print Dwg.
Use Simulator 2 to Finalize Redesign
Engine sketches due end of lab
Solid Modeling Quiz 2: Cyclic Symmetry
Simple cases in Structural Analysis Cosmos
Express
Design Project
13
14
15
Working on the Final Design Project
Project Report DUE at Presentation
Solid Works Certification Exam
Design Project
Design Project Presented in Lab
Focus Group to Review Certification Exam
* The instructor reserves the right to modify the course content as deemed necessary.