Interpreting Technical DrawingStudent

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MTAG MODULARIZED

CURRICULUM

INTERPRETING

TECHNICAL DRAWING

TECH PREP/MTAG CURRICULUM

Interpreting Technical Drawing

MODULE DESCRIPTION

This module provides a review and experiential exercises in interpreting technical

drawings since they function as an important language in the manufacturing world.

MODULE OBJECTIVE

This module introduces students to the various sources of information found within

technical drawings and provides practice interpreting various projections. After completing this module, students should be able to identify orthographic, isometric, and

sectional views and interpret key information on technical drawings.

PERFORMANCE CRITERIA

• Given a technical drawing, the student will be able to identify, correctly label, and

give reasons for each basic element and line type within the drawing.

• Given a technical drawing, the student will be able to identify and label the basic

orthographic projections with 100% accuracy.• Given drawing paper and an isometric drawing of an object, the student will be

able to sketch the top, front, and side views.

SEQUENCING

IntroductionInterpreting Title Blocks

Interpreting Lines

Creating cutoutsOrthographic views

Orthographic view exercise

Skill check 1

Pictorial viewsIsometric drawings

Sectional views

Sectional view exercises

Skill Check 2Module Evaluation

Student Assessment Rubric

Module: Interpreting Technical Drawing

Student:

Location:

Ratings:1 =demonstrates poor 2 =demonstrates limited 3 =demonstrates good 4 = demonstrates excellent

understanding of core concepts understanding of core concepts understanding of core concepts understanding of core concepts

• Cannot complete tasks • can perform complete with supervision • can complete tasks without supervision • can teach tasks to others

• Makes frequent errors • makes occasional errors • makes few errors • makes no errors

• Offers no suggestions • offers suggestions • offers effective suggestions • offers creative & effective

suggestions

Skill Check 1 1 2 3 4

Reason for Rating:

Skill Check 2 1 2 3 4

Reason for Rating:

Class participation 1 2 3 4

Reason for Rating:

TOTAL SCORE

Summary Comments:

PUGET SOUND CONSORTIUM FOR MANUFACTURING EXCELLENCE (PSCME)

MODULE EVALUATION SURVEY—STUDENT FORM

We would like to ask you questions about the PSCME module curriculum so we can make it better. You don’t have to fill out the

survey or answer all the questions. Please don’t tell us your name. Circle one response for each question.

1. Which module did you work with? (circle one)

Applied Mathematics Career Exploration Computer Applications Hazardous Materials

Interpreting Technical Drawing Interpersonal Effectiveness Introduction to Manufacturing Job Readiness

Labor in Industry Manufacturing Field Trip Manufacturing Planning Precision Measurement

Safety in Manufacturing Shop Skills Statistical Process Control Total Quality

Management

2. How challenging was the module?

Very easy Easy Challenging Very Challenging

3. How effective were the exercises in helping you learn the material?

Very ineffective Ineffective Effective Very Effective

4. How easy was it to stay focused on the module?

Very Difficult Difficult Easy Very Easy

5. Were the objectives clear? Yes No

6. At the end of the module, did you feel that you met the objectives? Yes No

7. What did you like best about the module? (if you need more space, please use the back of the sheet)

8. What was the most important thing that you learned?

9. What would you suggest to make the module better?

We want to make sure the module works well for all students.

10. Please describe yourself: (circle all that apply)

Black/African American Pacific Islander Latina/o American

White/Caucasian American Asian American Native American/AlaskanOther (please specify):

11. Your gender: Male Female

Handout 1

Handout 2

Lines on a Drawing

Handout 3

Standard Dimension Formats

.75 1 .5 .25

0.750 1.750 2.500

STANDARD DIMENSION

COORDINATE

0.500 0.750

1.750 2.500

DIMSTYLES1

Handout 4

Dimensions

DIMSTYLES

90° R 0-1/ 2"

Ø 1-1/ 2"

R 1-3/ 16" 36°

1-7/ 16"

R 1-1/ 2"

4-3/ 4" 5-9/ 16”

4-1/ 4"

0-3/ 4"

Ø 1/ 4"

6-PLACES

Handout 5

Handout 6

Handout 7

Cutout 3: Tapered Block

Handout 8

Pictorial and Orthographic Views 1

Handout 9

Handout 10

Handout 11

Orthographic View Exercise: 1

o r e d g e w i t h t h e a p p r o p r i a t e c o l o r .

s i n g c o l o r e p e n c i l s , c o l o r e a c s u r a c e

O r t h o S u r f a c e s 1

Handout 12

Orthographic View Exercise: 2

o r e d g e w i t h t h e a p p r o p r i a t e c o l o r .s n g c o o r e p e n c s , c o o r e a c s u r a c e

O r t h o S u r f a c e s 2

Handout 13

Orthographic Skill Check 1.

Handout 14

Orthographic Skill Check 2.

Handout 15

Orthographic Skill Check 3

Handout 16

Orthographic Skill Check 1: Answer Key.

Handout 17

Orthographic Skill Check 2: Answer Key.

Handout 18

Orthographic Skill Check 3: Answer Key

Handout 19

The Isometric View

Isometric views are unquestionably the most common of the

pictorial views. The X- and Z-axes (width and depthrespectively) are drawn at 30° from the frontal plane. Theheight of the object (Y-axis) is 90° to that plane. The resultis that true 90° angles are represented by both 60° and 120°angles, but never are they shown as what they are. Try tofind a true 90° angle in the drawing above.

FrontalPlaneXZ

Handout 20

Isometric View: 2

Handout 21

Sectional View Example

Circle the correct sectionalview

Handout 22

Sectional View Exercise 1

Handout 23

Sectional View Exercise 2

S E C T _ _ _ _ _ _

o r r e c t y a e e a c o t e t r e e

s e c t i o n a l v i e w s .

S e c t - 5

Handout 24

Sectional Views – Answer Key 1

Handout 25

Sectional Views – Answer Key 2

S E C T _ _ _ _ _ _

o r r e c y a e e a c o e r e es e c t i o n a l v i e w s .

S e c t - 5 - K e y

Overhead 26

DIRECTIONS FOR SKILL CHECK 2

Using Handout 27:

1) Label the following information contained in

the technical drawing:

a. Part Nameb. Tolerance for Angles

c. Scale of the Drawing

d. Material Used

2) Use a different color of pen/pencil to trace

each of the different line types found in the

drawing:

a. Visible lines

b. Hidden lines

c. Center lines

d. Extension lines

Using Handout 28:

3) Create 3 different orthographic views of the

part depicted in the isometric view provided.

Handout 25-27

Handout 28

Handout 29

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