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ByThomas Fenstermacher, Phillip McCoy,
Michael Grinshpon, Martin Cohen,
Robert Levy, and Zachary Scharfstein
Autodesk Inventor 11
Quick Start Guide
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We would like to thank the many people who contributed to the making of this
guide.
The Writers
Martin Cohen
Zachary Sharfstein
Thomas Fenstermacher
Pictures
All parts are produced in Inventor by Thomas Fenstermacher
All other graphics found by Robert Levy
Page Layout and Design
Phillip Mccoy
Michael Grinshpon
Teacher
Mr. Philip Paspalas
Copyright Team 1676 June, 2007
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Table Of Contents
Introduction
Section 1 : Inventor Layout/ Basic Controls
Section 2 : Tools
Section 3 : Lead Holder
Section 4 : Connector
Section 5 : Pen tip
Section 6 : Lead Shaft
Section 7 : Cap
Section 8 : Basic Assembly
Section 9 : Stress Analysis
Section 10: Cable/ Harness
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Introduction
This manual has been created by student for students. While we are
competitors in this program, it is essential to share a teams gifts and
talents with other teams whose talents lie elsewhere. While other
resources for learning this application exist, I have often found myself
confused by other manuals. This Inventor Guide is designed to be a
simple but solid foundation for students who wish to learn Inventor.
It is important to note that this is merely an introductory tutorial for thisapplication and by no means should be considered a complete guide. I
strongly recommend you continue to experiment with the various tools in
this program, because my personal experiences have shown to be the
most efficient learning method.
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Section 1
Inventor Layout/ Basic Controls
The following sections will give you an excellent introduction
to Inventor 11.
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Section 1: Inventor layout/ basic controls
In this section, the organization of the Inventor program will be described.
This is the screen which appears
when the Inventor application is
first opened. In the top left
corner, an arrow is pointing to
the new project button. To the
right of that button, the open
project button can be found.
These two commands can also be
found in the file drop-down
menu, which is located directly
above the new project button.
Once the new project button is
pressed, the new file template
window will appear. For this
section of the tutorial, the
standard.ipt file type will be
used. Select standard.ipt and
click ok to continue, as shown
in picture 1.2.
Fig 1.2
Fig 1.1
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This is the two dimensional part sketch screen. On the left, indicated by an arrow,
in the two dimensional sketch tools panel, where the basic operations, such as line-
making and polygon creation can be found like in fig 1.3.
Oftentimes in designing, an alternate vantage point of the object must be taken. In
order to do this, the rotation tool must be used. This tool is indicated by the arrow in
picture 1.4.
Fig 1.3
Fig 1.4
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Once the rotationbutton is pressed, a circle
will appear which can be
used to determine the axis
of rotation by clicking in
the design window and
holding the left mouse
button and dragging in the
wanted direction, like in
FIG. 1.5.
If the space bar is
pressed while the rotation
circle visible in Fig 1.6, a
cube will appear with
green arrows pointing to
it, and clicking one of
those arrows will rotate
the part to that predefined
angle.
Fig 1.5
Fig 1.6
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Sometimes when there are multiple parts or different components of one part,
such as extrusions, it is important to be able to edit one portion of the part without
having to entirely redo the part. This is the purpose of the model window in Fig. 1.7,
which is indicated by the arrow in this picture. Using various techniques which will be
described later in the tutorial, this model window can make designing an easier andmore efficient process.
At the top of the screen inFig 1.8, outlined by a rectangle,
are the pull down menu buttons,
where various functions for the
manipulation of both the part
being designed and the design
area. These include the saving
feature, which can be found in
the file submenu, and the
measuring tools, which are in
the tools submenu.
Fig 1.7
Fig 1.8
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The blue area in which all design processes take place is called the graphics
window as seen in Fig. 1.9. In this area, the physical representation of the parts being
designed will appear. At the bottom of the picture where the word ready appears is the
status bar. This will display the overall condition of the current design and provides
general instructions on the use of a particular tool.
Fig 1.9
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Section 2
ToolsThe following sections will give you an excellent description
of the types of tools that are used in every part.
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2.1: Open a new Standard.ipt file as described in Section 1
2.2: In the 2D Sketch Panel, select the line tool. Click on any point in the graphics
window and drag the mouse in the direction of the line you want to create. When you are
satisfied with the length of the line, click again and the line will be created, as shown inpicture 2.2. This process can also be used to create circles, arcs, rectangles, and
polygons. You can use the General Dimension tool to change the length of the line. This
tool is also located under the 2D Sketch Panel.
Fig 2.2
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2.3: Create three more lines so that the figure becomes a rectangle. Then in the portion
of the 2D sketch panel which reads 2D Sketch Panel with a downward arrow next to it,
click and select Part Features. This panel gives you all of the 3D commands. Click
revolve and your inventor window should look like the one shown in picture 2.3.
Fig 2.3
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2.4: While profile is selected in the revolve options window, click the rectangle that was
just created. Then select axis and click the line around which you want the part to be
revolved. In this case choose either the top or bottom line and select OK. Rotate the part
as previously instructed and your cylinder should look like the one in Fig 2.4.
Fig 2.4
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2.5: Once Again, open a new sketch. There is another way to change a two dimensional
figure into a three dimensional part called extrusion, Create a rectangle just like the one
made in 2.2 and 2.3. Go into the parts feature window again, but his time, select extrude.
Select the rectangle as your profile, and choose the required distance for your desired
part. For the purposes of this tutorial, select 1 in, the default option that the programprovides. Click OK and rotate and your part will look like the one in picture 2.5.
2.6: Both extruding and revolving can be accomplished with any polygon or a circle,
which can be created by selecting them in the same menu as the line feature.
2.7: At times throughout the design process, you will want to know the exact measure of
a line or arc that you create. To accomplish this, either click on the general dimension
button in the 2D Sketch Panel or simply press the D on your keyboard while the 2D
Sketch Panel is open. Then click the feature you wish to know the dimension of and
drag the mouse in the direction you want the measurement to appear. To change the
dimension of the feature, double click on the measure you want to alter and type in the
desired quantity. This can only be done in sketches!
Fig 2.5
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Section 3
Lead HolderFor this tutorial, you will make parts of a pen.
The first part is the lead holder.
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Lead Holder
Draw two circles. Go to Tools, General dimensions, click and drag from circle. Double
click on circle and enter one .111in and the other .159in. Select in between the circles.
This should make a ring or doughnut shape. Extrude that shape 3.166 inches.
HOW TO EXTRUDE
Click the flat end of the extrusion and select 2D Sketch. Draw two circles with the same
center point of the cylinder and dimension one .111in. and the other .159in. The select
the ring and extrude .420in.
Click the flat surface of the extrusion you just created and enter 2D sketch mode. Draw
two circles and dimension them .111in. and the other .159in. Again select the ring and
Extrude 1.11 in.
If you wish to practice the revolve feature, it is possible to be created using revolve.
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Section 4
ConnectorThe second part of the pen
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1. Create a two concentric circles with a diameter of 0.207 inches and a smaller
circle with a diameter of 0.165 inches.
Extrude the area in between the circles 0.471 inches
2. Select the end of the cylinder and create a 6 sided polygon with an apothem
of .1105 inches and a circle with a .139 inch diameterExtrude the area in-between the two sketches 0.092 inches
3. From the newly extruded side, create two concentric circles sharing a center the
center point with the hexagon. One circle with a diameter of 0.139 inches and the
other with a diameter of 0.165 inches.
Again select the area in-between and extrude 0.179 inches
4. Create a sketch on the YZ Plane. Select Project Geometry and select the outside
cylindrical surface is shown and draw what is pictured in 4.1 (The Project Geometry
tool is very useful. It takes a 3D edge or face and projects it to the current sketch.
This enables you to create precise sketches.) Select the coil feature under Part
Features select the object you made as the profile and for the axis select XZ Axis.
5. Now select the coil tab in the coil box. Under Type use the drop down to have it
read Revolution and Height. Make the height, 0.190 inches and the revolution 20.0
ul. Now click OK. You have just created a coil. NOTE: DO NOT USE THIS
FEATURE TO MAKE SPRINGS! THERE IS A SPRING GENERATOR THAT
CAN ONLY BE ACTIVATED IN ASSEMBLIES!
Fig 4.1
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Section 5Pen tip
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1: Create a rectangle with a length of 0.711 in and a width of 0.158 in, but use the line
feature and not the two point rectangle in order to insure that you will be able to alter
one line without changing the others. This step is shown in 5.1.
2: Shorten the left side of this rectangle to a length of .031in, as shown in the Picture 5.2
3: Draw a horizontal line off of the recently shortened side having a measure of .080, as
displayed in 5.3.
Fig 5.2
Fig 5.1
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4: Off of the line created
in step 3, create a
downward line with the
dimension of .020. Shown
in figure 5.4.
Fig 5.3
Fig 5.4
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5: Now shorten the right side of
the rectangle to a length of .038.
6: From the downwardline, make a horizontal
line measuring .253.
Fig 5.6
Fig 5.5
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7: At the top of the right
side of the rectangle, make a
horizontal line measuring
0.080 in.
8: Select the three point arc
tool and click on the end of
the last horizontal line
made. Then click on the top
left corner of the part, are
alter the curve of the arcuntil the symbol in the
picture below appears. Then
click, finishing the arc, and
delete the non-curved
portion of the top of the
part. Create a fillet of 1.00in
between on the newly
created curve.
Fig 5.8
Fig 5.7
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9: On the bottom right of
the part, create a new
line 0.011in off of the
base having a length of
0.055in. It should look
like figure 5.9.
10: Create another arc
between the horizontal
line underneath the first
arc and the line created
in the last step. Then
place a fillet with the
measure of 1.25 on this
new arc. This will look
like 5.10.
Fig 5.9
Fig 5.10
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11: Revolve this part using the bottom line as the axis of revolution. This will result in
the part shown in 5.11.
12: Congratulations! You have completed the tip of the pen. Save and close the sketch.
Fig 5.11
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Section 6
Shaft
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1. Create a new sketch
and create what isshown in fig.
Create a new work
plane by selecting the
work plane button under
Part Features and drag.
Make the offset
distance .165in. create a
new sketch and create
what is shown below in
figure 6.1
2. Create a sketch on the
XZ plane. Use Project
Geometry to help youdraw the following
sketch using circles and
lines.
Once that is completed,
select the revolve
command and select the
object you have made.
Change the type of
revolve from join to cut
and select OK as seen in
6.2.
Fig 6.1
Fig 6.2
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Section 7
Cap
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1. Draw figure 7.1 and draw image to specifications then revolve.
2.
Select the YZ plane and scroll down under the parts features until you see this work
plane. You may have to
create a new work
plane.
Fig 7.1
Fig 7.2
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3. Create a sketch on the YZ Plane and select project geometry. Then, select the top
cylindrical face. Make a line at 47.5. Draw according to figure 7.3.This time, change
the type of extrusion to Surface. The line is your profile . This type of extrusion acts as a
plane. For distance select All.
4. Select the YZ plane when the work plane tool is selected and drag. Enter an offset of
0.092 and click the check.
Fig 7.3
Fig 7.4
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5. Select the first work plane you created and make a sketch on it. Select the ellipse tool
to create ellipse to these dimensions. Once that is done select return. Create a new sketch
on the plane that you usedin fig 7.5.
6. Select the Project
Geometry tool and project
the ellipse you made. These
guidelines will appear
purple. Then take the line
tool and draw a vertical line
from the center of the
ellipse. The length shouldbe 0.141in. See fig. 7.6
Fig 7.5
Fig 7.6
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7. Select sweep under the part features menu. Select the Profile and select the ellipse.
Then select path you made in figure 7.6. See figure 7.9 for help. Select OK.
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8. Select the top flat surface of the pen cap and select new sketch. Select project
geometry and select the outside most ellipse. Create a box as shown. NOTE: Make sure
to have the box perfectly centered on the pen edge.
9. To do this simply create a
line and use the constraints available
to center the rectangle. Select extrude.
Select the cut extrude option and for
distance choose All. Use the
rectangle as the profile if not already
selected. See 7.10 for example.
10. Then find the center point of the
rectangle and place a point there.
Fig 7.9
Fig. 7.8
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11. Select the flat edge you just created using the cut extrusion. Then create a square the
exact same size.
After this, select return.
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12. Select the XZ plane and create new plane and space them appropriately. On each
plane create a sketch that looks similar to figure 10. Within each sketch use the circles
center point as the center point of the shape. Once you have created the sketches selectfinish sketch.
13. Under the Part Features menu, select the
loft command. Under sections, select the
sketches consecutively . And select OK. This
is a basic loft and you have not completed the
pen cap
Fig. 10 Fig. 11
Fig. 12
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Section 8
Assembly
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In this section, you will learn how to assembly parts.
1. First, open an assembly and select Place Component under the Assembly Panel.
Choose the pen tip to open.
2. The first piece that appears solid will not move. The second peace that is transparent
will move. You can place as many as you want. For this tutorial, you will only place one.Once you have the desired amount of part select the Esc key on your keyboard.
Fig 8.1
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3. To constrain, simply select the constrain key. When you go roll over a cylindrical
surface the center axis is highlighted in dashed red lines. This allows you to create a
concentric constraint. Our result is a pen so you need to make every part concentric with
one another. As seen in 8.3
Fig 8.3
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4. For the next part, you will make the parts fit together and fix them into a specific
position.
Fig 8.3
Fig 8.4
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Section 9
Stress Analysis
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1. First, make an object and extrude it. Pictured here is an I-beam I created. I suggest
creating an I-Beam.
2. Once you have created select the Part Features drop down menu. There, you will see
Stress Analysis, select it. As soon as the screen changes, a smaller menu appears asking
you to choose the material. I chose Alloy Steel. Once that is done you can now choosewhich forces are acting on what.
3. Select a force and a screen appears. First, select the face you want the force to be
acting on. You can change the amount of lbs/force. Select OK.
4. Next is to select the places that the object is locked into. In my example, I
constrained the two ends and used the center as force. Select OK then select stress
analysis update on the left panel. This will give you what is pictured below.
NOTE: This is a simple introduction to stress analysis. I highly recommend
experimenting with stress analysis to obtain a deeper understanding.
Fig 9.1
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Section 10
Cable/ Harness
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Open the part(s) that you want the wire to start from and end at. Then go to the part
features menu and select Harness Part Features, as seen in 10.1
Select Place Pin. Then select where you want the wire to start
Fig 10.1
Fig 10.2
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Fig 10.3
Fig 10.4
Click OK and you will then be asked to name the pin. Name it and select the
checkmark. Then save the part.
Open or put together the assembly that you want to place wires in. Then click Create
Harness. Name the file and save it where you want. Then click OK.
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Select Create wire. Select where you want the first pin to go (start) and then select
where you want the second pin to go (finish). Change the category of the wire and the
name of the wire. Then click Apply. For looking at the specifications of wires and to
make your own wires select the Cable and Harness Library.
To position the wire you would right click on the center of the wire and select Add
Points. You can add points where ever you would like to bend the wire.
Fig 10.5
Fig 10.6
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To bend a wire at a point right click on one of the points that you have just added and
select 3D Move/Rotate. Move the point to the location you want it and click Apply.
Fig 10.7
Fig 10.8
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If you have multiple wires running long the same route you may want to use the
segment tool.
First select Create Segment. Then route the segment.
Fig 10.9
Fig 10.10
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To get the wires to follow the segment you must select the Route Tool. You will first
have to select all the wires that you want to follow the Segment. Then select the
first segment. Then check the Single Segment box. Then click Apply.
Fig 10.11