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Drafting with Auxiliary Views

Drafting with Auxiliary Views. Why do we need auxiliary views?. To show information that is unavailable in other views To show parts of the object in its true size and shape. (E.g. inclined surfaces). Getting Started. Examine the views that are given for an inclined surface

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Drafting with Auxiliary Views

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  1. Drafting with Auxiliary Views

  2. Why do we need auxiliary views? • To show information that is unavailable in other views • To show parts of the object in its true size and shape. (E.g. inclined surfaces)

  3. Getting Started • Examine the views that are given for an inclined surface • Find the line that is considered the edge view of the inclined plane • In the front view, draw a light construction line at right angles to the inclined surface • From all points in the front view, draw projection lines at right angles to the inclined surface • Draw a reference/fold line parallel to the edge view of the inclined surface and at a convenient distance from it • Transfer the depth dimensions

  4. Start by finding the aux. object in true length (line form)

  5. Here the face is shown in true length

  6. Draw lines from all critical points that intersect a line parallel to the face at 90O

  7. Find your “D” lines from the view adjacent to the view used for the aux.

  8. Seeing the finished view

  9. Comparing dimensions from different views

  10. Checking to see if the object is in true perspective

  11. The Important View • The most important view is the one that is now in it’s true size and shape.

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