CAD Program--Problem Bank

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Problem Sets � Command Matrix � Suggested Sequence � Drawing Templates

CAD Problem Bank

The following CAD problems were taken from the Introduction to CAD course problem set. The AutoCAD Problem Bank problems consist of 27 drawing problems designed for use with a beginning AutoCAD class. The problems are created to be self-contained assignments ready to be used without modification in a CAD class. Each problem includes information on the commands introduced in the assignment, the level of difficulty, instructions, and expected duration. In addition, each problem includes variations which enable the instructor to tailor the assignment to the individual level of the student or class and essentially allows a nearly limitless supply of drawing assignments. The drawings presented in the problem bank were all created according to the latest industrial standards of multiview orthographic projection, dimensioning, and tolerancing.

The Drawing Template Files are listed at the bottom of the page.

	Problem No.	Figure (pdf)	Instructions (pdf)
Beginner	1.1	Figure 1.1	Problem 1.1
	1.2	Figure 1.2	Problem 1.2
	1.3	Figure 1.3	Problem 1.3
	1.4	Figure 1.4	Problem 1.4
	1.5	Figure 1.5	Problem 1.5
	1.6	Figure 1.6	Problem 1.6
	1.7	Figure 1.7	Problem 1.7
	1.8	Figure 1.8	Problem 1.8
	1.9	Figure 1.9	Problem 1.9
Intermediate	2.1	Figure 2.1	Problem 2.1
	2.2	Figure 2.2	Problem 2.2
	2.3	Figure 2.3	Problem 2.3
	2.4	Figure 2.4	Problem 2.4
	2.5	Figure 2.5	Problem 2.5
	2.6	Figure 2.6	Problem 2.6
	2.7	Figure 2.7	Problem 2.7
	2.8	Figure 2.8	Problem 2.8
	2.9	Figure 2.9	Problem 2.9
	2.10	Figure 2.10	Problem 2.10
Advanced	3.1	Figure 3.1a	Problem 3.1a
	3.1	Figure 3.1b	Problem 3.1b
	3.2	Figure 3.2	Problem 3.2
	3.3	Figure 3.3a	Problem 3.3a
	3.3	Figure 3.3b	Problem 3.3b
	3.4	Figure 3.4a	Problem 3.4a
	3.4	Figure 3.4b	Problem 3.4b
	3.5	Figure 3.5	Problem 3.5

Command Matrix

Beginner Level Drawings
The focus of the beginner level drawings is to expose the student to the basic drawing and modifying (editing) commands. The students will be introduced to the process and syntax that AutoCAD enforces for creating two-dimensional drawings. The drawings at this level are entirely composed of single-view orthographic views.
Beginner Level Matrix

Intermediate Level Drawings
The focus of the intermediate level drawings is the construction of progressively harder and more realistic geometry. Layers and multiple orthographic views will be introduced. The rate of introduction of new commands will decrease to only one or two new commands per drawing as the student will encounter more difficult and time-consuming drawings.
Intermediate Level Matrix

Advanced Level Drawings
The drawings at the advanced level all focus on the construction of real-world drawings from the mechanical industry. All drawings involve multiple orthographic views, layer usage and dimensioning. The drawings denoted with a �b� (i.e. 3.1b, 3.3b, 3.4b) include size and/or geometric tolerancing (GD&T), as well. All dimensioning is per the ASME Y14.5M Dimensioning and Tolerancing standard.
Advanced Level Matrix

Suggested Sequence of Assignments

The instructor can determine the ideal sequence of problems for their class. The problems were organized according to an increasing level of difficulty. Each high number problem is meant to reinforce previous concepts and commands so that learning is progressive, gradual, and cumulative. The original intent was as an almost sequential set of problems. However, they may be used in any desired order or selected on an as-needed basis to fill any available time slot.

Beginner
#	Problem	Teaching focus	Alternate
1	1.1	Introduce the student to basic drawing using three common methods: relative Cartesian, relative polar, and direct-distance entry.	1.9
2	1.2	Introduce circles and Object Snap and using OFFSET to locate the center of circles.
3	1.3	Introduce TRIM and EXTEND. Reinforce previous concepts and commands.
4	1.4	Reinforce all previous commands with a challenging problem.	1.5
5	1.6	Introduce tangent, tangent, radius circle construction.
6	1.7	Reinforce previous concepts and commands	1.8

Intermediate
#	Problem	Teaching focus	Alternate
7	2.1	Introduce more complex geometry and multiple drawing methods.
8	2.2	Introduce construction with the CIRCLE (tangent, tangent, radius) command. Reinforce drawing and circle layout methods.
9	2.3	More complex geometry. Introduce the concept of sequential geometry creation.
10	2.4	More complex geometry. Larger drawing. Reinforce sequential geometry creation.
11	2.5	Introduce the POLYGON and ROTATE command.	2.6
12	2.7	More complex geometry. Repetitive features created with the ARRAY command.	2.8, 2.10
13	2.9	Multiview orthographic drawing. Multiple linetypes.

Advanced
#	Problem	Teaching focus	Alternate
14	3.3a	Simple 2-view drawing with a full section view. Simple dimensioning.
15	3.3b	Add size tolerances and geometric dimensioning and tolerancing (GD&T).
16	3.5	Simple 2-view drawing with dimensions and tolerances.
17	3.2	2-view drawing with a full section view. Dimensioned with tolerances and GD&T.
18	3.1a	3-view drawing with numerous hidden features.
19	3.1b	Add complex dimensioning and tolerancing (GD&T).
20	3.4a	Complex 2-view drawing with full and broken-out sections. Dimensioned with size tolerances.
21	3.4b	Add geometric tolerances (GD&T).

Drawing Template Files
Use the following template files with the CAD problems listed above.

Template file for drawings in English units (inch)	ANSI (INCH) *(zip)*
Template file for drawings in metric units (mm)	ISO (METRIC) *(zip)*