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Dec 21, 2024
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2022-2023 College Catalog [ARCHIVED CATALOG]
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ENG 122IN - Engineering Graphics and Design with Solid Modeling 3 Credits, 7 Contact Hours 1 lecture period 6 lab periods
Introduction to engineering graphics and the concepts of engineering design. Includes sketching, dimensioning practices and tolerances, computer-aided design (CAD), basic part modeling, and three-dimensional (3D) assembly modeling.
Prerequisite(s): MAT 189
Course Learning Outcomes
- Demonstrate the fundamental concepts and principles of engineering graphics as a language.
- Generate hand-drawn multi-view technical sketches.
- Apply methods of orthographic projection to produce detail.
- Demonstrate the fundamental concepts and principles of the computer-aided design (CAD) system.
- Demonstrate the ability to read engineering drawings.
- Construct three-dimensional (3D) solid models on a modern CAD system:
- Create 3D solid models of complex objects given a multi-view representation
- Create solid models of individual parts
- Create reference geometry features (planes, axes)
- Measure properties of 3D CAD models
- Create multi-view, auxiliary and section drawings from 3D solid models:
- Use the principal planes of projection and the principal views
- Create hidden lines, center lines, etc. based on graphics conventions
- Create multi-view drawings from 3D solid models on a CAD system
- Represent typical features: e.g. holes, threads, chamfers, and fillets
- Create auxiliary views automatically from 3D solid models
- Generate appropriate section views
- Create dimensioned drawings from 3D solid models:
- Understand the basic terminology and geometrical relationships associated with dimensioning practice
- Demonstrate size, location, and coordinate dimensioning
- Create dimensioned drawings from 3D solid models
- Create complete working drawings including assembly and detailed drawings for a “real-life” object
- Apply geometric dimensioning and tolerancing (GD&T):
- Understanding and practical proficiency in dimensioning and tolerancing.
- Recognize GD&T dimensioning on an engineering drawing
- Determine maximum material condition (MMC) and its implications
- Calculate bonus tolerance allowances as features deviate from MMC
- Recognize and specify GD&T datums
- Visualize tolerance zones as specified in GD&T
- Create GD&T control features on an engineering drawing
Outline:
- Sketching
- General sketching techniques
- Orthographic projections
- Isometric sketches
- Oblique sketches
- Perspective sketches
- Section views
- Auxiliary views
- Details views
- Dimensioning Practices and Tolerances
- Dimensioning systems
- Unidirectional
- Aligned
- Tabular
- Arrowless
- Chart drawing
- Dimensioning fundamentals
- Dimension line spacing
- Chain dimensioning
- Datum dimensioning
- Preferred dimensioning practices
- Dimensioning angles
- Dimensioning a simple hole
- Dimensioning chamfers
- Dimensioning cylinders and conical shapes
- Dimensioning arcs
- Representing and dimensioning for external and internal threads
- Dimensioning countersink and counterbore holes
- Tolerancing
- Direct tolerancing methods
- Tolerance expressions
- Angular tolerances
- Standard fits
- Geometric tolerancing
- Tolerances of form
- Tolerances of orientation
- Positional tolerances
- Computer-Aided Design (CAD)
- Introduction to CAD
- Basic two-dimensional (2D) drawing skills
- Basic commands
- File management
- Command Manager and Feature Manager
- Basic Part Modeling
- Parametric feature-based modeling
- Basic and complex 2D model design
- Three-dimensional (3D) modeling
- Basic part modeling
- Basic tools extrude, cut, hole, mirror, edit part modeling, etc.
- Revolved features
- Swept, Loft and additional features
- Three-Dimensional (3D) Assembly Modeling
- Bottom-up assembly modeling approach
- Linear and rotational motion
- Assembly-exploded view
- Part drawing from 3D models
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