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Introduction to CAD

SKCA 114

Introduction to CAD

SKCA 114

Course Description

Prerequisite: CST 103 suggested or basic knowledge of the Windows Operating System. Introduces 2D and 3D CAD drawing, including basic drawing and editing commands. Studies CAD systems interface, hardware, a current operating system, file management techniques, creating templates, creating and modifying geometry, dimensions and text styles, block and external reference insertion, attributes and creating tables, model space/paper space layouts, rendering and plotting techniques. Credit may be earned in only one of the following: ARC 114, CAD 114, or SKCA 114. (45-15)

Outcomes and Objectives

Use reading and writing skills to gather information from technical texts.

Objectives:

  • Complete assignments by gathering information from reading.
  • Use the index of CAD texts to access information regarding commands and processes.
  • Create a notebook as an essential reference.
  • Record sufficient notes from which to work.

Demonstrate productive interaction with others.

Objectives:

  • Practice citizenship by respecting each person's drawing file as their personal property.
  • Ask and respond to questions during drawing demonstrations.
  • Demonstrate teamwork skills.
  • Use effective listening skills during classroom demonstrations.

Use a computer, a current operating system and word processing software.

Objectives:

  • Start and exit software as required.
  • Use disk directories and change directory paths to access files and programs.
  • Use Save AS and name files as prescribed.
  • Perform file management skills such as copying, pasting, and deleting files as prescribed.
  • Identify and properly use CAD file extensions.
  • Use a word processing program for all written assignments.

Demonstrate mastery of CAD program basics.

Objectives:

  • Identify the features of the system interface.
  • Differentiate between methods of entering commands and determine which method is most efficient for the purpose.
  • Use absolute, relative and polar coordinate methods correctly.
  • Demonstrate several object selection methods.

Manipulate geometry using CAD drawing aids.

Objectives:

  • Use Zoom. Panning and Viewing tools for navigation.
  • Apply the proper Osnap features to drawing situations for accurate drawing.
  • Use Undo, Redo and Regenerate drawing when necessary.
  • Distinguish and change properties efficiently.
  • Utilize and control accuracy enhancement tools such as Ortho, Grid, Snap and Osnap.
  • Use Object Tracking and Polar tools to enhance efficiency.

Use basic construction and modification commands of a CAD program in the accurate completion of 2D CAD drawings.

Objectives:

  • Use drawing commands to effectively create lines, circles, arcs, polylines and polygons,
  • Modify existing geometry using erase, copy, mirror, offset, move, trim extend, fillet, array, stretch, scale and break commands.
  • Apply and modify hatching fills and patterns.
  • Create and insert Blocks.
  • Insert ready-made blocks from the CAD program and from online sources.
  • Use Wblock, Copy and Paste, and External References to move drawings and parts of drawings.
  • Create table styles and insert information.
  • Add attributes to blocks and extract data to tables.

Develop and use a drawing prototype template.

Objectives:

  • Set the appropriate drawing Units and Limits.
  • Create Text using the prescribed style and size.
  • Create appropriate layers assigning colors, linetypes and lineweights as necessary.
  • Modify Dimension and Leader variables to create a dimension style.

Apply complete and orderly dimensions and text to CAD drawings.

Objectives:

  • Use associative dimensioning to apply linear, radial, diameter, aligned and angular dimensions.
  • Use dimension according to prescribed dimensioning conventions.
  • Apply text and use text editing tools.

Use the 3D Workspace to create solid models.

Objectives:

  • Analyze information about coordinates in 3D space in the completion of 3D objects.
  • Create models using 3D primitive shapes, region, extrude and press-pull tools.
  • Use Boolean editing tools to modify 3D geometry.
  • Use View Manager, navigation tools and visual style tools to create views.
  • Render views to a file.

Demonstrate appropriate printing techniques.

Objectives:

  • Set up printing parameters for printing from Model Space.
  • Access and configure Layout mode for printing from Paper Space.
  • Create, scale and align viewports in Layout mode.
  • Determine the proper viewports for a multi-view drawing.