docsity.com
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Guidelines and tips
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
2D Technical Drawing: Line Types, Center Lines, Break Lines, Hidden Lines, Dimensions, Exercises of Computer Aided Design (CAD)
An overview of various line types used in 2d technical drawing, including center lines, break lines, hidden lines, visible lines, and dimension lines. Center lines represent symmetry and mark the centers of circles and axes of symmetrical parts. Break lines show where an object is broken to reveal interior features. Hidden lines represent features that cannot be seen in the current view, while visible lines represent features that can be seen. Dimension and extension lines indicate the sizes of features on a drawing.
Typology: Exercises
2011/2012
Uploaded on 07/31/2012
unknown user 🇮🇳
1 / 5
This page cannot be seen from the preview
Don't miss anything!
Related documents
Partial preview of the text
Download 2D Technical Drawing: Line Types, Center Lines, Break Lines, Hidden Lines, Dimensions and more Exercises Computer Aided Design (CAD) in PDF only on Docsity!
Parallel projection
Perspective projection
Basics of manual drawing
ANSI Standard sheet sizes
Line types
- Center lines are used to represent symmetry, and to mark the centers of circles and the axes of symmetrical parts, such as cylinders and bolts.
Break lines are freehand lines used to show where an object is broken to reveal interior features.
- Hidden lines are used to represent features that cannot be seen in the current view.
- Visible lines are used to represent features that can be seen in the current view.
- Dimension and extension lines are used to indicate the sizes of features on a drawing.
- Visible lines are used to represent features that can be seen in the current view.