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Designing a Shaft
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We will design shaft using Design Accelerator
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Will Learn
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Design a shaft
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Check a shaft
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Set loads and supports
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Set file names
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Insert a shaft.
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Redesign a shaft
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Start New assembly using Standard (mm).iam template
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Save as shaft.iam
(page 2)
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Right-click in Assembly panel
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Select Design Accelerator (page 3)
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Overview
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Start Shaft Component Generator
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Add and remove sections to designed shaft
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Set parameters of shaft sections
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Add shaft features
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Specify supports, force, and moment
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Edit the shaft using Design Accelerator
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We will insert components from
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Click Shaft tool to start generator
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Shaft Component Generator dialog opens on Design
Tab (page 5)
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2D and 3D dynamic preview
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Previews exist on
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Design tab
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Calculation tab
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Graphics tab
· Preview in Design tab is turned off
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Turn it on
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Click bullets type button
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Under 2D preview
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Select Always Show
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2D preview displays sections only
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3D preview updates as we work
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Design shaft by
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Adding or deleting sections and features
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Adding loads and supports
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When using Calculation tab to add loads and
supports their preview is displayed
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We can select only one section at a time (page
6)
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Drag and Drop
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With Shaft Generator we can drag shaft sections,
loads, and supports
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In tree control
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Drag section to new position
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In 2D Design tab preview
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CTRL + drag shaft section to new position
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In 2D and 3D Calculation tab preview
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Drag load or support to new position (page 7)
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Add Shaft Element
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We can select elements by clicking them
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We have turned on 2D preview in Design tab
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Click OK to apply settings
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Wait
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Select section in one of three locations
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Tree Control
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2D Preview
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Graphics Window
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Selecting any one selects the other two
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In Shaft Component Generator dialog
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Design tab
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Click section at left: Cylinder 50 x 100
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Click Insert Culinder
button in toolbar next to Sections drop down list
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A shaft sections gets added to right of selected
section
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Notice: First cylinder turns red in tree control
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Two sections of same width next to each other is
obsolete
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Correct this by changing width of either of two
sections (page 8)
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Specify Parameters
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Change size parameters for inserted shaft
section
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Selecting for edit
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Double-click section in any of three places
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Right-click in 2D preview or tree control >
Sections > Edit
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Change width from 50 mm to 60 mm
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Change length from 100 mm to 50 mm
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Red in tree control removed as both widths are
not same any more
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Click OK (page 9)
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Specify Shaft Element Type
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Add retaining ring to selected shaft section
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Click drop down arrow next to down arrow in
selected sections tree component selection
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Select Retaining Ring
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It gets added
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Click tilde (...) button for retaining ring in
tree control list
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Retaining Ring Groove dialog opens
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Position & Dimensions drop down list
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Measure from right edge
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R-Ring drop down list to add from
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Change distance field to 23 mm
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Click OK (page 10)
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Change Dimensions of First Shaft Section
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Select first shaft section from left of shaft
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Double-click in 2D preview area of Design tab
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Change
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Diameter: 40 mm
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Length: 50 mm
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Click OK (page 11)
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Change Dimension of Third Shaft Section
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Use 3D grips to edit section parameters
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Two grips available
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We use both
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Double-click length 3D grip (left-right arrows)
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In Edit dialog change 100 mm to 50 mm
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Click green check button
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The length of section changes
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Double-click diameter 3D grip
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In Edit dialog
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Enter new length value of 65 mm
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Click green check button
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The diameter of section changes
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Add through hole
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In tree control click on arrow next to C for
Cylinder 65 x 50
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Select Add Through Hole
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Default hole gets added
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To edit click ... select it in tree control
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Through Hole dialog
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Diameter: 12 mm
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Distance: 25 mm
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Click OK (page 12)
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Change Dimensions of Cone Section
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Double-click cone section in graphics window
(Autodesk Inventor Window)
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Cone Dialog
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Diameter: 80 mm
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Diameter: 65 mm
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Length: 100 mm
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Click OK (page 13)
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Change Dimensions of Next Section
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Use 2D preview in Design Tab
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Select last section
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Right-click > Sections > Edit
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Cylinder dialog
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Main Diameter: 55 mm
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Length: 40 mm
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Click OK
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Add locknut groove to selected section
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Click down arrow next to Right Edge Features
button (third from left)
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Select Locknut Groove from list
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Default locknut groove gets added
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Locknut Groove dialog
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Thread Length: 13 mm
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Default Rest
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Click OK (page 14)
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Add and Edit Last Section
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Click (...)
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Cylinder Dialog
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Main Diameter: 40
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Length: 40
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Click OK
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Add Retaining Ring
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Click arrow next to C for Cylinder 55 x 100
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Select Add Retaining Ring
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Retaining Ring Groove dialog displays
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Position and Dimensions
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Select Measure from right edge
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Second drop down list
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Gets R-ring from
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Distance 2 mm
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Click OK (page 15)
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Insert Cylindrical Bore
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We can insert
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Cylindrical bores
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Conical bores
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Sections drop down menu
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Select Bore on the left
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Click Insert Cylindrical Bore
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It gets inserted
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Click (...) button
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Edit dialog
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Main Diameter: 20 mm
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Length: 140 mm
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Click OK (page 16)
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Add Shaft to Templates Library
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Click More button in lower right corner of
Design tab
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Click Add to add new template
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Name template: shaft_tutorial
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Click OK
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New template is added to Library
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Click Set to open template
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Tips
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Double-click template to change description
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Drag to reorder templates in library (page 17)
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Calculation Tab
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Contains
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2D preview of shaft
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Graphical indicators for loads and supports
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Toolbar to enter loads and supports
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Area to set material and additional calculation
properties
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To hide 2D preview
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Select Always Hide in 2D preview box of Options
dialog
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Click OK (page 18)
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Specify Supports
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Click Calculation tab
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2D and 3D previews change
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Graphical representations of loads and supports
displayed
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Green and blue hotspots present
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Three hot spots for each section
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Two at ends
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One in middle
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Blue hotspot means load or support is positioned
to hotspot
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Note
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Loads represented by arrows
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Supports represented by triangles
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Select Supports in Loads and Supports drop down
list
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Drag left support to second shaft section
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Nearest blue hotspot means support is positioned
towards it
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Hotspot can be half blue and half green if it is
between sections
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Double-click support
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Edit dialog
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Click hotspot
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Distance: 1.5 mm
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Click OK
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Alt + drag second support to right end section
(page 19)
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Specify Loads and Perform Calculation
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Select Loads in Loads & Supports drop down
list
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Radial force gets added by default
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We want to change it to torque
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Select Radial Force in tree control box
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Click arrow to see list
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Select Torque
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Torque dialog
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Torque field: Change to 200 N m
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Add second torque
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Click 3/4 circle with arrow
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Torque dialog
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Torque field: -200 N m
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Note: Sum of all torques must equal 0
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Change position of torque
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Drag torque to right
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Click Calculate button
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See results of loads, supports, and values in
Results area
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Click >> to expand Results area if
necessary
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Switch to Graphics tab to see individual shaft
loadings diagrams
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Click OK
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Note: Click "Notepad" button to
display HTML report (page 20)
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Filename Settings
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Design tab
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Click File Naming button
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File Naming dialog
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Click (...) to save to disk
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Check box: Always prompt for filename
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Check or uncheck box as needed
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Click OK to close (page 21)
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Insert the Shaft
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Insert completed shaft into assembly
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Click OK
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Shaft is inserted
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Click Esc to end insert operation (page 22)
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Edit Shaft
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Right-click shaft in browser or Inventor Window
(graphics)
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Select Edit Using Design Accelerator
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Design Tab
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Select cone section
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Double-click cone section in 2D preview area
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Cone dialog
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First Diameter: 100 mm
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Length: 90 mm
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Click OK
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Click OK in Shaft Component Generator dialog
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Shaft is inserted into assembly (page 23)
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Summary
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Start Shaft Generator
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Configure shaft
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Specify loads and supports
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Specify load values
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Insert shaft
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Edit shaft