- 1 Orthographic Views In AutoCAD
- 1.1 Points to be borne in mind while drawing orthographic projections from pictorial views:
- 1.2 Orthographic Views in AutoCAD Drawing Practice Problems 1:
- 1.3 Orthographic Drawing Practice Problem Solution 1:
- 1.4 Orthographic Drawing Practice Problems 2:
- 1.5 Orthographic Drawing Practice Problem Solution 2:
- 1.6 Orthographic Drawing Practice Problems 3:
- 1.7 Orthographic Drawing Practice Problem Solution 3:
Orthographic Views In AutoCAD
Orthographic views in AutoCAD are 2D views that are created using orthographic projections. These views are used to create perspective drawings. An orthographic projection is a type of view where the camera does not move. Instead, the camera remains stationary while the objects in front of it change position relative to the camera. Orthographic views are commonly used for architectural design.
Points to be borne in mind while drawing orthographic projections from pictorial views:
1. Since the pictorial view shows the object as it appears to the observer from one direction only, it may not clearly show the hidden parts, constructional details, and the real shapes of its structures. All these have to be imagined before making the orthographic views.
2. If a portion of a symmetrical object shown in the pictorial view is hidden, the same should be assumed to be similar to the corresponding visible part.
3. All holes, slots, grooves, etc. should be assumed to run right through the object unless mentioned otherwise.
4. If the radius of any curved portion is not specified, the same should be assumed suitably.
5. While making the views, the longest face of the object or the most informative contour may, in general, be treated as the front. The other views are placed depending on the orientation of the front view.
6. It is not necessary that one view be completed before proceeding to the other. The views are to be carried along together.
7. Unless otherwise specified; front, top, and right side views should be selected for the description of models and pictures.
8. An intersection of two surfaces, edges of surfaces, and the surface limits should be shown by using full lines while the hidden features are to be shown by dashed lines.
9. Each view must contain all the lines of the object, both visible and hidden. The center lines of holes and cylindrical parts of objects must be clearly indicated. The center of a circle is shown as the intersection of two mutually perpendicular center lines. For parts with an axis, such as a cylinder or a cone, the axis is drawn as the center line.
10. If a hidden edge coincides with a visible edge, draw the full line. When a center line coincides with a hidden edge, draw a dashed line. Thus, give consideration to the precedence of lines.
11. In orthographic views, a surface may appear as an area or as a line. An edge may appear as a line or as a point.
Orthographic Views in AutoCAD Drawing Practice Problems 1:
Orthographic Drawing Practice Problem Solution 1:
Orthographic Drawing Practice Problems 2:
Orthographic Drawing Practice Problem Solution 2:
Orthographic Drawing Practice Problems 3:
Orthographic Drawing Practice Problem Solution 3:
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