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Engineering Drawing ENGN103
By: Mr.Zulkifli Engineering drawing ENGN103
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Orthographic or Multi-view Drawing
Any engineering drawing should show everything: However, if the object is complicated, it would not be visible using a single isometric drawing. In order to get a more complete view of the object, an orthographic projection may be used a complete understanding of the object should be possible from the drawing. If the isometric drawing can show all details and all dimensions on one drawing, it is ideal. One can pack a great deal of information into an isometric drawing MULTI-VIEW DRAWING Engineering drawing ENGN103
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1st Angle Projection 3rd Angle Projection MULTI-VIEW DRAWING
Engineering drawing ENGN103
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1st angle projection MULTI-VIEW DRAWING Engineering drawing ENGN103
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Figure 3 - The block suspended in a glass box
Imagine that you have an object suspended by transparent threads inside a glass box, as in figure 3. Figure 3 - The block suspended in a glass box MULTI-VIEW DRAWING Engineering drawing ENGN103
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MULTI-VIEW DRAWING Engineering drawing ENGN103
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Figure 4 - The creation of an orthographic multiview drawing
Then draw the object on each of three faces as seen from that direction. Unfold the box (figure 4) and you have the three views. We call this an "orthographic" or "multiview" drawing. Figure 4 - The creation of an orthographic multiview drawing MULTI-VIEW DRAWING Engineering drawing ENGN103
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Figure 5 - A multi-view drawing and its explanation
3rd angle projection Figure 5 shows how the three views appear on a piece of paper after unfolding the box. Figure 5 - A multi-view drawing and its explanation MULTI-VIEW DRAWING Engineering drawing ENGN103
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PLAN
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LEFT VIEW
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RIGHT VIEW
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RIGHT VIEW
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RIGHT VIEW
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RIGHT VIEW
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RIGHT VIEW 45°
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RIGHT VIEW
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RIGHT VIEW
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RIGHT VIEW
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LEFT VIEW
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LEFT VIEW
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LEFT VIEW
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LEFT VIEW
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LEFT VIEW 45°
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LEFT VIEW
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LEFT VIEW
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LEFT VIEW
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