Chapter 8 advanced part modeling techniques
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Chapter 8 Advanced Part Modeling Techniques . Chapter 8 - Objectives. After completing this chapter, you will be able to Extrude an open profile Create ribs, webs, and rib networks Emboss text and profiles Create sweep features Create coil features Create loft features

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Chapter 8 advanced part modeling techniques l.jpg
Chapter 8Advanced Part Modeling Techniques


Chapter 8 objectives l.jpg
Chapter 8 - Objectives

  • After completing this chapter, you will be able to

    • Extrude an open profile

    • Create ribs, webs, and rib networks

    • Emboss text and profiles

    • Create sweep features

    • Create coil features

    • Create loft features

    • Split a part or split faces of a part

    • Copy features within a part

    • Reorder part features


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Chapter 8 – Objectives continued

  • After completing this chapter, you will be able to

    • Mirror model features

    • Suppress features of a part

    • Work with file properties

    • Create and place standard iParts

    • Create and place custom iParts

    • Create iFeatures

    • Create table-driven iFeatures

    • Publish parts

    • Publish features


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Using Open Profiles

  • Using Open Profiles

    • Sketch that does not form a closed area

    • Only extrude tool can be used

    • Extrude bi-directionally

      • positive or negative direction

      • fill direction

    • Consumed inside or extend beyond the part


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Rib and Web Features

  • Rib and Web Features

    • Used to reinforce or strengthen features

      • Additional support and minimal weight are required

        • mold and cast parts

    • Ribs, webs, and rib networks

    • Single, open, unconsumed profile


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Rib and Web Features

  • Rib and Web Features

    • Rib dialog box

    • Shape

      • Profile

      • Direction

    • Thickness

      • Edit Box

      • Flip Buttons

    • Extents

      • To Next

      • Finite

      • Extend Profile


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Rib and Web Features

  • Creating Rib and Web

  • Rib Networks

    • Use multiple intersecting or nonintersecting sketch objects

    • Thickness is applied to all objects

      • Rib Network as a

        • Profile

        • Ribs

        • Webs


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Exercise 8-1

  • Creating Ribs and Webs


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Emboss Text Features

  • Emboss Text Features

    • Embossed (raised)

    • Engraved (cut)

      • Shape or Text

      • On a plane or a curved face

    • Step 1 - Creating Text

    • Step 2 - Emboss Text


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Exercise 8-2

  • Creating Text and Emboss Features


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Sweep Features

  • Sweep Features

    • Requires two unconsumed sketches

    • Sweep dialog box

      • Shape

        • Profile

        • Path

        • Operation buttons

      • More

        • Angle

    • Creating a Swept Feature


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Sweep Features

  • 3D Sketching

    • Overview

      • Defining a 3D path

        • Lip or routing

        • Work points

        • Model edges/vertices

    • 3D Sketch Environment

      • 2D & 3D curves


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Sweep Features

  • 3D Sketching

    • 3D Path From Existing Geometry

      • Define path

        • Use existing edges

      • Include Existing Geometry

        • Projecting part edges, vertices, and geometry


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Sweep Features

  • 3D Sketching

    • 3D Sketch From Intersection Geometry

      • Defined by a combination

        • Planar or nonplanar part face

        • Surface face or quilt

        • Work plane


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Sweep Features

  • 3D Sketching

    • Constructed Paths

      • Connecting

        • Work points

        • 3D line

      • Auto-Bend

        • Radius


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Sweep Features

  • 3D Sketching

    • Coincident Constraints

      • Endpoints of a line

      • Midpoints (midline) of a line

        • Shared lines

      • Adding

        • Work point or vertex

    • 3D Lines and Splines

    • Precise Input


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Exercise 8-3

  • Creating Sweep Features


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Coil Features

  • Coil Features

  • Helical, springs or coil shapes

    • Coil Shape

      • Profile

      • Axis

      • Flip

      • Rotation

      • Operation

    • Coil Size

      • Type

      • Pitch

      • Revolution

      • Height

      • Taper


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Coil Features

  • Coil Features

    • Coil Ends

      • Start

      • End

      • Transition Angle

      • Flat Angle

    • Using base & secondary feature


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Loft Features

  • Loft Features

    • Blends a shape between two or more sections

    • Complex shapes

      • Plastic or molded parts

    • Sections

    • Rails

    • Points

    • Curves


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Loft Features

  • Loft Features

    • Curves

      • Sections

      • Rails

      • Output

      • Operation

      • Closed Loop

    • Conditions

      • Conditions

      • Condition Boundaries

      • Angle

      • Weight


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Loft Features

  • Loft Features

    • Transition

      • Point Set

      • Map Point

      • Position


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Exercise 8-4

  • Creating Loft Features


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Part Split and Face Split

  • Part Split and Face Split

    • Method

      • Split Part

        • remove material

      • Split Face

    • Split dialog box

      • All

      • Select

      • Faces to Split

      • Split Tool


Exercise 8 5 l.jpg
Exercise 8-5

  • Splitting a Part


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Copying Features

  • Copying Features

    • Dependent

    • Independent

    • Paste Features

    • Parameters

    • Pick Sketch Plane


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Mirroring Features

  • Mirroring Features

    • Features

      • dependent on the parent feature

      • Mirror Plane

      • Creation Method

      • Change or update

    • Mirror Entire Solid


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Suppressing Features

  • Suppressing Features

    • Temporarily turn off display

    • Simplify parts

    • Increases system performance

    • Unsuppress

    • Parent – child relationships


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Conditionally Suppress Features

  • Conditionally Suppressing Features

    • Feature Properties

    • Parameter Value


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Reordering Features

  • Reordering Features

    • Browser

      • Drag horizontal line


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Feature Rollback

  • Feature Rollback

    • Roll back the design to an earlier state

    • Then place new features

    • Reorder

    • Delete all features below EOP


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File Properties

  • File Properties

    • iProperties

    • Properties dialog box

      • General

      • Summary

      • Project

      • Status

      • Custom

      • Save

      • Physical


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Center of Gravity

  • Center of Gravity

    • Part & Assembly

    • Representation

      • X-,Y-, and Z-axis arrows

    • Mass properties

    • Numeric value

    • Values are relative to the origin

    • Colorless - update


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Part Materials

  • Part Materials

    • Physical tab or Properties dialog box

    • Mass is calculated from material

    • Part color set to As Material

      • Color equals material


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Override Mass & Volume Properties

  • Override Mass & Volume Properties

    • Mass and volume values

    • Default & Overridden

    • Copy information into another application


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iParts

  • iParts

    • Store parameters and properties information

    • Create unique parts based on stored information

    • Example - Bushing iPart

      • Single file

      • Table with 3 rows (members)

        • Unique Hole Dia

        • Unique Material

        • Unique Filename


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iParts

  • Creation Stage

    • Design the part

    • Establish all possible versions in a table

      • Each row of the table is a member

      • Multiple members = iPart Factory

  • Placement Stage

    • Select a member from the iPart Factory

    • Insert the member into an assembly


Creating iparts l.jpg
Creating iParts

  • Standard iPart (Factories)

    • Values cannot be modified

    • Features cannot be added

  • Custom iPart (Factories)

    • Unique value for at least one variable

    • Features can be added


Iparts39 l.jpg
iParts

  • Creating iParts

  • Tools > Create iPart

  • iPart Author Dialog

    • Add parameters

    • Define Keys

      • Primary

      • Secondary (Up to 9)


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iParts

  • iPart Author Dialog

    • Working with Members

      • Adding Members > Insert Row

      • Removing Members > Delete Row

      • Modifying Members and Setting Default


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Creating iParts

  • iPart Author Dialog

    • Custom iParts

      • Custom Parameter Column

      • Custom Parameter Cell

        • Specify a value for the parameter upon iPart placement


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Creating iParts

  • iPart Author Dialog

    • Click OK

      • The part is converted to an iPart Factory

      • Table saved as an embedded Microsoft Excel spreadsheet

      • Table icon is displayed in the Browser


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Editing iParts

  • Operations

    • Delete table

      • Converts iPart back to a part

    • Modify parameters & properties

    • Add or Delete members

    • Edit Options

      • Edit Table

      • Edit via Spreadsheet

        • Spreadsheet formulas, conditional statements, etc. are shown as red cells


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Placing iParts

  • Place Component tool

    • Standard & Custom iPart Placement dialog box

      • Custom – enter value from the custom column

      • Folder is created with same name as the iPart Factory

        • Folder is checked for existing members when placed

        • Folder is created in same location as the factory by default


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Exercise 8-6

  • Creating and Placing iParts


Ifeatures l.jpg
iFeatures

  • Capture design intent

    • Name

    • Size

    • Position

  • Include Placement Help

  • Represented with Custom Icons

  • Stored as separate files (.IDE)


Ifeatures47 l.jpg
iFeatures

  • Tools > Extract iFeature

  • Create iFeature dialog box

    • Selected Features

    • Size Parameters

      • Range and Limit

    • Position Geometry


Ifeatures48 l.jpg
iFeatures

  • Insert iFeature tool

    • Part Features Panel Bar

  • Insert iFeature dialog box

    • Select

    • Position

    • Size

    • Precise Position


Ifeatures49 l.jpg
iFeatures

  • Editing iFeatures

    • Open the .ide file in Autodesk Inventor

      • Edit iFeature

      • View Catalog

      • iFeature Author Table

    • Edit iFeature

      • Opens the Create iFeature dialog box

        • Cannot change parameters

        • Can modify size parameters and position geometry

          • Name

          • Value

          • Limit

          • Prompt


Ifeatures50 l.jpg
iFeatures

  • Table-Driven iFeatures

    • Open the .ide file in Autodesk Inventor

    • iFeature Author Table

      • iFeatures behave similar to iParts

        • Main difference: No File Name, Display Style or Material column designations


Ifeatures51 l.jpg
iFeatures

  • Table-Driven iFeatures

    • Inserting

      • Same as inserting typical iFeatures

      • Key parameters are a drop-down list

      • Custom parameters are specified in the dialog box


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Exercise 8-7

  • Creating and Placing iFeatures


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Publishing Parts and Features

  • Publishing Parts

    • Click Tools > Publish Part

      • If needed add Category

        • Specify family name and Language


Publishing parts and features54 l.jpg
Publishing Parts and Features

  • Publishing Features

    • Click Tools > Publish Features

      • Select a feature, dependent features won’t be included

      • Specify feature properties

      • If needed add Category

        • Specify family name and Language


Placing published parts features l.jpg
Placing Published Parts & Features

  • Placing Published Parts

    • Open an assembly that the part will be placed into

    • Click Content Center from the Assembly Panel bar

    • Click the Parts tab

    • Select part


Placing published parts features56 l.jpg
Placing Published Parts & Features

  • Placing Published Features

    • Open the part that the feature will be inserted into

    • Click Content Center from the Part Features Panel bar

    • Click the Features tab

    • Select feature


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Design Accelerator

  • Engineer’s handbook

  • Mechanical calculators

  • Component generators





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Applying Your Skills

  • Skill Exercise 8-1


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