CAD 270 - Machine Elements and Design

Credits: 4
Lecture Contact Hours: 3
Lab Contact Hours: 1
Description: This course is designed to introduce the student to the various machine elements and the mechanical/working relationship between elements that make up a mechanism. The machine element concepts covered include fasteners, gears, cams, linkages and bearings. The introduction to the design process includes problem definition, needs analysis, design/performance objectives, cost analysis, design alternatives, feasibility analysis and design selection. Simulation is used to test design proposals for strength and reliability.

Prerequisites: CAD 210 or CAD 220 or CAD 230.
Corequisites: None.
Recommended: None.

Course Category: Occupational
This Course is Typically Offered: Fall Only
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Course Competencies

Identify performance criteria for the various machine elements.
Specify selection criteria for the various machine elements.
Communicate specifications concerning the various machine elements.
Apply commonly accepted attachment methods for assembling component parts.
Perform algebraic calculations to determine performance outcomes.
Assign part fits which conform to assembly functional requirements.
List assembly considerations when designing a machine.
Identify accepted guidelines used in analyzing a good design (design checklist).
Combine machine elements to create mechanisms.
Document a proposed design by creating models, drawings and documents which will define the design.
Simulate a design for performance, strength and reliability of a design.
Analyze a design for performance, strength and reliability of a design.