Blueprint Reading Section IV Reading Lines and Lettering

Blueprint Reading Section IV – Reading Lines and Lettering

Disclaimer The AMMQC program is an Equal Opportunity program. Adaptive equipment is available upon request for individuals with disabilities. http: //creativecommons. org/licenses/by/3. 0 This work is licensed under a Creative Commons Attribution 3. 0 Unported License [http: //creativecommons. org/licenses/by/3. 0] This project is sponsored by a $15. 9 million grant from the U. S. Department of Labor, Employment and Training Administration. The AMMQC program is an Equal Opportunity program. Adaptive equipment is available upon request for individuals with disabilities. This workforce product was funded by a grant awarded by the U. S. Department of Labor’s Employment and Training Administration. The product was created by the grantee and does not necessarily reflect the official position of the U. S. Department of Labor. The U. S. Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership.

Types of Lines • Visible Lines • Hidden Lines • Centerlines • Extension Lines • Dimension Lines • Leader Lines 2/1/2022 • Arrowheads • Cutting Plane Lines • Viewing Lines • Section Lines • Break Lines • Phantom Lines • Chain and Stitch Lines Page 3

Types 2/1/2022 Page 4

Lines in use 2/1/2022 Page 5

Visible lines 2/1/2022 Page 6

Hidden Lines 2/1/2022 Page 7

Centerlines 2/1/2022 Page 8

Centerlines for Symmetry 2/1/2022 Page 9

Extension Lines 2/1/2022 Page 10

Dimension Lines 2/1/2022 Page 11

Dimension Lines #2 2/1/2022 Page 12

Dimension Lines #3 2/1/2022 Page 13

Leader Lines 2/1/2022 Page 14

Arrowheads 2/1/2022 Page 15

Cutting / Viewing Plane Lines 2/1/2022 Page 16

Cutting / Viewing Plane Lines #2 2/1/2022 Page 17

Cutting / Viewing Plane Lines #3 2/1/2022 Page 18

Cutting / Viewing Plane Lines #4 2/1/2022 Page 19

Cutting / Viewing Plane Lines #5 2/1/2022 Page 20

Section Lines 2/1/2022 Page 21

Section Lines #2 2/1/2022 Page 22

Section Lines #3 2/1/2022 Page 23

Section Lines - Materials 2/1/2022 Page 24

Section Lines – Materials #2 2/1/2022 Page 25

Break Lines 2/1/2022 Page 26

Break Lines #2 2/1/2022 Page 27

Phantom Lines 2/1/2022 Page 28

Chain and Stitch Lines 2/1/2022 Page 29

Chain and Stitch Lines #2 2/1/2022 Page 30

Numbers/Letters on Prints 2/1/2022 Page 31

Fractions on Prints 2/1/2022 Page 32

Notes on Drawings 2/1/2022 Page 33

Credits • Unless indicated otherwise all images are from Madsen, David A. , and David P. Madsen. Print Reading for Engineering and Manufacturing Technology. Clifton Park, NY: Delmar, Cengage Learning, 2013. Print. 2/1/2022 Page 34