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Chapter 9 Auxiliary Views and Editing with GRIPS

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Introduction Many designs have features located on inclined surfaces that are not parallel to the regular planes of projection. To truly describe the feature, ... – PowerPoint PPT presentation

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Title: Chapter 9 Auxiliary Views and Editing with GRIPS


1
Chapter 9 Auxiliary Views and Editing with GRIPS
  • Learning Objectives
  • Use 2D Projection method to draw Auxiliary Views.
  • Create Rectangles.
  • Use the basic GRIPS Editing commands.
  • Create and Edit the Plot Style Table.
  • Set up and use the Polar Tracking option.
  • Create multiple Viewports in Paper Space.

2
Introduction
  • Many designs have features located on inclined
    surfaces that are not parallel to the regular
    planes of projection. To truly describe the
    feature, the true shape of the feature must be
    shown using an auxiliary view. An auxiliary view
    has a line of sight that is perpendicular to the
    inclined surface, as viewed looking directly at
    the inclined surface. An auxiliary view is a
    supplementary view that can be constructed from
    any of the regular views.

Standard Views
Auxiliary View
3
Orthographic Projection
  • No matter what the position of a surface may be,
    the fundamentals of projecting a normal view of
    the surface remain the same The projection plane
    is placed parallel to the surface to be
    projected. The line of sight is set to be
    perpendicular to the projection plane and
    therefore perpendicular to the surface to be
    projected. This type of view is known as normal
    view. In the figure below, the design has an
    inclined face that is inclined to the horizontal
    and profile planes and perpendicular to the
    frontal plane.

4
Folding Line Method
  • The folding-line method uses the concept of
    placing the object inside a glass-box, the
    distances of the object to the different
    projection planes are used as measurements to
    construct the necessary views, including the
    auxiliary views.

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6
The V-Block Design
7
Using the AutoCAD Classic Workspace
Workspaces are sets of menus, toolbars,
palettes, and ribbon control panels that are
grouped and organized so that a user can work in
a custom, task-oriented drawing environment.
Three task-based workspaces are pre-defined in
AutoCAD
2D Drafting Annotation drawing environment set
for 2D drafting tasks. 3D Basics drawing
environment set for Basic 3D modeling tasks. 3D
Modeling drawing environment set for Advanced 3D
modeling tasks. AutoCAD Classic the classic
drawing environment set for 2D tasks. This
environment provides the most drawing area on the
screen.
8
Setting up an auxiliary view
9
Setting up an auxiliary view
10
Setting up an auxiliary view
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