How To Draw Orthographic Views In AutoCAD | AutoCAD Orthographic Views

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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

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6. It is not necessary that one view must 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 centre lines of holes, cylindrical parts of objects must be clearly indicated. The centre of a circle is shown as the intersection of two mutually perpendicular centre lines. For parts with an axis, such as a cylinder or a cone, the axis is drawn as the centre line.

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10. If a hidden edge coincides with a visible edge, draw the full line. When a centre 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 Drawing Practice Problems 1:

01 - autocad orthographic views, Orthographic Drawings

Orthographic Drawing Practice Problem Solution 1:

01 - Orthographic Projection Using Autocad

Orthographic Drawing Practice Problems 2:

01 - Orthographic Projection in AutoCAD

Orthographic Drawing Practice Problem Solution 2:

01 - autocad orthographic mode

Orthographic Drawing Practice Problems 3:

01 - orthographic views in autocad

Orthographic Drawing Practice Problem Solution 1:

01 - how to draw orthographic views in autocad

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