Sep 20, 2019
CAD 151 - CAD Graphics I Credits: 6
Lecture Hours: 4
Lab Hours: 4
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
Drawing formats, geometric construction and lettering will be taught on computer-aided drafting (CAD) software. Drafting standards will be covered. CAD operations and commands will be addressed. Sketching and fundamentals of orthographic projection are stressed. Prints will be prepared.
Corequisite: BCA 212
- Discuss drawing types.
- Discuss industry drawing standards, such as ANSI, ISO, ASME, etc…
- Discuss computer-aided drafting.
- Examine engineering, drafting occupations.
- Examine related applications.
- Identify basic drafting equipment and materials.
- Identify drawing media.
- Identify printing and plotting equipment.
- Identify computer-aided drafting equipment.
- Discuss computer aided drafting computer requirements.
- Discuss CAD software packages.
- Analyze measurement and scaling systems.
- Discuss measurements and measuring units.
- Examine measuring scales for mechanical, civil, architectural and metric scales.
- Discuss drawing scale.
- Identify industry standard sheet sizes and title blocks.
- Demonstrate sketching techniques.
- Discuss sketching principles.
- Identify lead grades for sketching.
- Know linetypes used in sketching.
- Sketch straight lines.
- Sketch curves and circles.
- Demonstrate proportion in a sketch.
- Sketch parts using orthographic projection.
- Sketch parts using isometric projection.
- Perform basic lettering.
- Identify proper text height.
- Discuss font types used for mechanical drawings.
- Write the alphabet and numbers using Gothic letters.
- Construct basic geometric entities.
- Define lines types and discuss their rules.
- Create geometric shapes such as point, line, polygons, etc..
- Modify geometric shapes.
- Discuss CAD considerations necessary to create geometric entities.
- Discuss drawing setup and layering schemes.
- Examine viewing commands.
- Discuss coordinate entry methods.
- Examine object snap.
- Make use of selection sets to modify geometry.
- Construct advanced geometric shapes.
- Examine advanced drawing commands.
- Create an ellipse, parabola, and helix.
- Examine advanced modification commands such as grip editing and property inquiries.
- Create and edit blocks and attributes.
- Construct basic geometric intersections.
- Define geometric constructions.
- Bisect and divide geometry such as lines and arcs.
- Create tangential geometries.
- Draw an ogee curve.
- Identify required views for a drawing.
- Identify orthographic projections.
- Discuss first angle projection.
- Discuss third angle projection.
- Identify the six standard views of a part.
- Prepare a two dimensional drawing.
- Print and plot drawings.
- Examine using paper space and viewports.
- Discuss printing and plotting.
- Identify printing media.
- Discuss printers and plotters used in industry.
- Create and use title blocks and borders.
- Create drawing notes, general and local.
- Produce prints and plots.
- Identify part surfaces.
- Define and create normal, inclined, and oblique surfaces.
- Analyze sectional views.
- Define section views: half, full, partial, broken out, removed, and revolved.
- Discuss the usage of section views.
- Identify line usage in sections.
- Discuss hatch patterns for single parts and how they relate to parts in an assembly.
- Analyze basic dimensioning practices.
- Identify dimensioning standards such as ANSI and ISO.
- Examine dimensioning units.
- Create horizontal, vertical, aligned, and radial dimensions.
- Discuss dimension placement and standards.
- Create dimensions in drawing layout.
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