MEC 391

About Course:

Course Code: MEC 391

Course Name: MECHANICAL DESIGN

Credit Hour: 4

P. MEC 257 and MSE 177. Design synthesis and methods. Analysis of stresses in mechanical components and structures. Deflection, stiffness, shock and impact considerations. Design of columns. Types of fits. Design of screws, fasteners and connections, keys, couplings, welded and brazed joints. Consideration of fatigue strength where appropriate.

Design of mechanical springs, rolling contact bearings, lubrication and journal bearings, spur, helical, worm and bevel gears, shafts, brakes and clutches, ropes, belt and chain drives. Design involving composite materials. Principles of optimization and reliability in design are considered. Concepts of computer-aided design techniques are also included.

Course Outcomes (COs):

1. Define terminologies related to mechanical design

2. Design machine parts against static load by considering factor of safety, permissible stresses and failure theories

3. Design machine parts against fluctuating load by considering factor of safety, permissible stresses and failure theories

4. Design and analysis of various mechanical system and components: Shaft; keys & coupling; spring; Power Screws, joints, Fasteners bearings, gears

5. Able to write a report regarding the design of machine elements.

Targeted Program Outcomes (POs): PO1, PO3, PO10