ENME 442 Machine Design (3)

 

Required course for majors in mechanical specialty.

 

Catalog Description:

The analysis of design of machine elements including fatigue-failure analysis of shafts, springs, screws, brakes, clutches, chains, belts, welds & rivets, lubrication of journals, ball & roller bearings, and spur, helical, bevel and worm gears.  Spring semester.  Lecture 3 hours.  Prerequisities:  ENGR 246, 248 and ENME 348 with grades of C or better.

 

Prerequisites: 

                ENGR 246, 248 and ENME 348 with grades of C or better.

 

Textbook/References:

                Design of Machine Elements ‑ M.F. Spotts & T.E. Shoup - 7th edition – Pearson – Prentice Hall.                      

 

Course Objectives:  At the completion of the course, students will have demonstrated the

 

·         Ability to apply mechanics of materials to machine elements (2)

·         Ability to apply static load criteria to ductile and brittle materials  (2)

·         Ability to apply fluctuating load criteria, stress concentrations to ductile materials (2)

·         Ability to apply high cycle cumulative fatigue failure equations  (2)

·         Ability to apply mechanics of materials, appropriate failure criteria, and specific design equations to the following machine elements:  shafts, springs (helical and non-helical), threaded fasteners, belts, clutches, brakes, chains, welded and riveted connections, lubrication and journal bearings, roller element bearings (2), (4)

·         Knowledge of process of registration (6).

·         Ability to design a mechanical component or system (11).

 

Class/Laboratory Schedule:              

                Lecture either three times per week at 50 minutes per class, or two times per week at 75 minutes per class.

 

Topics Covered:  

Weeks                                                   Topic

1-2                                           Fundamental Principles – Mechanics of Materials

3-4                                           Static and Fluctuating load Failure Criteria

5-6                                           Shafts

7-8                                           Springs

9-10                                         Threaded Fasteners

11-12                                       Friction Devices (Belts, Clutches, Brakes and Chains)

13                                            Welded and Riveted Connections

14                                            Lubrication and Journal Bearings and Design Project

15                                            Rolling Element Bearings                   

 

                                                 Tests and a Final Exam

 

Contribution to Professional Component:

Contributes toward the 1.5 years of engineering topics as a 3 credit hour course in engineering sciences and engineering design.

 

Relationship of course to program outcomes

This course supports ME program outcome 2, 4, 6 and 11.

 

Prepared by:         Dr. Gary H. McDonald, 04/03/03