FREEHAND SKETCHING

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4

Lines

Sketch horizontal and vertical lines.

Sketch oblique lines.

Sketch arcs/curved lines.

Circles

Sketch circles using proper techniques.

Parallel lines

Demonstrate the principles of parallel line sketching.

Nonparallel lines

Demonstrate the principles of nonparallel line sketching.

LETTERING

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1

Mechanics

Demonstrate the mechanics of lettering, shape, size, weight, slope, and spacing.

STANDARDS AND CONCEPTS

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Classifications

List job drafting classifications.

Specializations

List job specializations.

Standards

Locate information in Y14.5 standards.

Title block

Enter complete information into manual title block.

Concepts

Identify basic drafting tools, templates, and aids.

Use vellums, films, and intermediates.

Prints

Make prints of different types.

BASIC GEOMETRIC CONSTRUCTION

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2

2-D construction relationships

Bisect lines or arcs.

Draw normal and parallel lines.

Bisect angles.

Draw arcs and tangents.

Construct polygons.

Draw a parabola.

Construct special curves.

BASIC DIMENSIONING

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3

Dimensions

Draw symbols, lines, leaders, numbers, extensions, and arrows.

Conversions and scales

Convert to different systems of measurement.

Placement

Place dimension on a drawing to industrial standards.

Aligned and unidirectional dimensions

Use aligned and unidirectional dimensions.

Special features

Dimension selected special features.

Notations

Spell general and local notations.

Format general and local notations.

ADVANCED DIMENSIONING AND TOLERANCING

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Features

Identify datum planes, datum features, datum targets, and datum symbols.

Positional tolerancing

Define the elements of positional tolerancing symbols: flatness, straightness, cylindricality, circularity, parallelism, angularity, concentricity, symmetry, contour/runout.

Conversion

Convert coordinate dimensions to true-position dimensions.

ORTHOGRAPHIC PROJECTIONS

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3

Normal planes

Describe six normal planes and their relationships.

Alphabet of lines

Identify line symbols.

Aircraft geometry

Identify lines found in aircraft geometry: loft lines, mold lines, water lines, other reference planes and lines.

Multiview drawings

Complete multiview drawings.

Measurements

Take measurements using an engineer's scale.

SECTIONAL VIEWS

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6

Full sections

Complete a drawing involving the concept of full sections.

Half sections

Complete an exercise involving the concept of half-section usage.

Broken-out views

Complete a drawing using broken-out and auxiliary sectional views.

Aligned, revolved, and removed

Complete a drawing with aligned, revolved, and removed sections.

AUXILIARY VIEWS

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4

Primary views

Complete a sketch using front, top, and side auxiliary views.

PICTORIAL VIEWS

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4

Isometric sketches

Complete isometric sketches involving the use of offset measurements, circles, curved surfaces, angles, and nonisometric lines.

Complete an isometric sketch in section.

Oblique sketches

Complete oblique sketches.

Dimensioning

Dimension both isometric and oblique sketches.

INTERSECTIONS

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2

Principles

Describe principles involved in the development of intersecting lines, planes, and solids.

Applications

Draw a true line length development.

Draw an intersection of a line and a plane.

Draw an intersection of two planes.

Draw an intersection of a plane and a solid.

Draw an intersection of two solids.