2 line conventions and lettering permission granted to reproduce for educational use only. identify...
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![Page 1: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/1.jpg)
![Page 2: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/2.jpg)
2 Line Conventions and Lettering
![Page 3: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/3.jpg)
Permission granted to reproduce for educational use only.
• Identify the standard alphabet of lines.• Describe the types of lines by appearance and
purpose.• Identify the style of lettering recommended for
standard industrial drawings.
![Page 4: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/4.jpg)
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Line Conventions
• A convention is a generally accepted way of doing something
• A list of line types is used throughout industry to show the conventional practice for industrial prints
• This list is defined in many references as the alphabet of lines
![Page 5: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/5.jpg)
Permission granted to reproduce for educational use only.
Alphabet of Lines
• Most common line types:– Visible lines– Hidden lines– Center lines
![Page 6: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/6.jpg)
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Visible Lines
![Page 7: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/7.jpg)
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Hidden Lines
![Page 8: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/8.jpg)
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Center Lines
![Page 9: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/9.jpg)
Permission granted to reproduce for educational use only.
Alphabet of Lines
• Line types used in section views:– Section lines– Cutting-plane lines– Short break lines
![Page 10: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/10.jpg)
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Lines Types Used in Section Views
![Page 11: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/11.jpg)
Permission granted to reproduce for educational use only.
Alphabet of Lines
• Line types used in dimensioning:– Extension lines– Dimension lines– Leader lines
![Page 12: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/12.jpg)
Permission granted to reproduce for educational use only.
Lines Types Used in Dimensioning
![Page 13: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/13.jpg)
Permission granted to reproduce for educational use only.
Alphabet of Lines
• Additional line types:– Break lines– Phantom lines– Stitch lines– Chain lines
![Page 14: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/14.jpg)
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Lettering
• In engineering drawings, the text and numeric information is referred to as lettering
• Lettering is:– Uppercase– Vertical structure– Single stroke– Gothic
![Page 15: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/15.jpg)
Permission granted to reproduce for educational use only.
![Page 16: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/16.jpg)
Permission granted to reproduce for educational use only.
• What is the alphabet of lines?
A list of line types used throughout industry with each line type having a specific form to represent a certain meaning.
![Page 17: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/17.jpg)
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• Describe in terms of the alphabet of lines the lines that appear in this illustration
Visible lines, hidden lines, center lines, phantom lines, section lines, cutting-plane line, viewing-plane line, dimension lines, extension lines, leader lines, and chain line.
![Page 18: 2 Line Conventions and Lettering Permission granted to reproduce for educational use only. Identify the standard alphabet of lines. Describe the types](https://reader035.vdocuments.mx/reader035/viewer/2022062409/56649eec5503460f94bfd34e/html5/thumbnails/18.jpg)
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• Describe standard lettering as illustrated here
Single-stroke, Gothic style, uppercase letters