assembly exercise

8/10/2019 Assembly Exercise

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Product Design Suite

Test Drive

Assembly Modeling with Autodesk

Inventor

Exercise: Basic Assembly ModelingIn this exercise, you create an actuator assembly

utilizing the basic assembly practices of Autodesk

Inventor. You then use the actuator to control the

allowable motion of a front loader.

Image of the completed exercise

Please find video based instruction for this exercise

here: Instruction Video

Preliminary Setup

For this exercise, make sure that PrDSTestDrive.ipj

is set as the active project in Inventor prior to

starting the steps. Please use the following steps to

set the project file.

Open Autodesk Inventor.

On the Getting Started ribbon, select Projects.

At the bottom of the Projects dialog, clickBrowse and navigate to C:\PrDS Test Drive.

Double click on the file called PrDS Test

Drive.ipj.

Confirm that the PrDS Test Drive project

appears in the Projects dialog and is markedwith a check.

Click Done.
http://localhost/var/www/apps/conversion/tmp/scratch_3/PrDS_Assembly_Exercise%20.movhttp://localhost/var/www/apps/conversion/tmp/scratch_3/PrDS_Assembly_Exercise%20.movhttp://localhost/var/www/apps/conversion/tmp/scratch_3/PrDS_Assembly_Exercise%20.mov


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Select Cylinder_A.iptlocated in the Inventor

Assembly folder.

Click Open. Click once in the model window to place the

first component.

Right Click and select OKfrom the popup

menu.

Right Click on the Cylinder_A and checkGrounded.


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4. Place the remaining components of the

assembly.

Start the Place Componentcommand. Use aCTRL pick to select the following files.

i. Connector Link_A.ipt

ii. Connector Link_B.ipt

iii. Cyl Cap_A.ipt

iv. Cyl Head 001_A.iptv. Cyl Head 002_A.ipt

vi. Fitting_A.ipt

vii. Nut GB 6178 M36.ipt

viii. Piston Rod_A.ipt

ix. Piston_A.ipt

Click Open

Click to place the parts as shown in thefollowing image.

Press ESCon the keyboard to finish the

command.


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5. Use the Joint command to build the Piston.

Start the Jointcommand located on the

Relationships panel.

Navigate by zooming and panning with the

scroll wheel to select the edge of the piston

as shown below.

Then select the lower shoulder edge of the

Piston Rod as shown.

Click the checkmarkin the heads-up display

to execute the command.


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6. Add the Nut to the Piston Rod.

Start the FreeRotatecommand located on

the Position panel.

Select the Nut and use the left mouse

button to spin it to a position similar to thefollowing image.

Right Click and select OKto finish the

command.

Use the Jointcommand and select the

circular edge of the Nut as shown.

Select the edge of the Piston as Shown.

Click the checkmarkto execute the

command.


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7. Assemble Connector Link_A to the Piston Rod.

Use the Jointcommand and select the edge

of Connector Link_A as shown.

Select the top shoulder edge of the piston as

shown. Note: Use the scroll wheel and the

Shift button to rotate the assembly view ifnecessary.

Click the checkmarkto execute thecommand.

Click the Homeview button on the View

Cubeto return to the default isometric view

if necessary.


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8. Position Connector Link_B.

Use the Jointcommand and select the

circular edge of Connector Link_B as shownin the following image.

Then select the Circular edge of the Cylinder

as shown.

Click the Flip componentoption on theheads up display.


command.


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9. Position the remaining cylinder components

using the Jointcommand.

Cyl Head_001A to Cylinder as shown.

Cyl Head_002A to Cyl Head_001A as shown.

Cyl Cap to Cyl Head_002A as shown.


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10.Place the Piston into the Cylinder.

Start the JointCommand and select the

Piston Rod as shown.

Select Cylinder_A as shown.


command.

Use the left mouse button to drag

Connector Link_A outside of the Cylinder as

shown.


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11.Adjust the components and place the fittings.

Drag both Connector Links to the

approximate orientation shown in thefollowing image and use the Jointcommand

to place the fittings. Note: Use Copy / Paste

to create a second instance of the fitting.

12.Place a Constraint Limit on the Piston Rod.

Right Click on the Cylinder and select

Visibilityfrom the popup menu.

Start the Constraincommand located on the

Relationships panel.

Select the circular face of the Piston Rod as

shown.


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Select the circular face of Connector Link_B

as shown.

Click the expand button on the Constraindialog (1).

Check Maximumand enter a value of

350mmin the Maximum field (2).

Check Minimumand enter a value of 0mm

in the Minimum field (3). Click Okto execute the command.


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13.Restore the visibility of the Cylinder and test the

assembly.

Locate the Cylinder component in thebrowser.

Right Click on the Cylinder component and

select Visibility.

Drag the Piston Rod back and forth noting

the limitation on the stroke distance.

Close all files without saving.

14.Place the Actuator assembly on the Front

Loader. Open the assembly file Frontloader INV-

ASSY.iamlocated in the Inventor Assembly

folder.


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15.Establish a section view.

Start the Half Section Viewcommand

located on the View tab and the Appearancepanel.

In the Browser, open the origin folder and

select the XY Plane.

Drag the arrow down and enter a value of -134mmin the heads-up display.

Click the Continuearrow on the heads-up

display.

Right Click and select OK.


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16.Use the Place Componentcommand on the

Assemble ribbon (1), to place two instances of

the Test Drive Cyl Completed.iamassembly (2).

17.Make each actuator flexible.

In the Browser, right click on each instance

of the actuator and select Flexiblefrom the

popup menu.

18.Use Constraints to place the actuators.

Start the Constraincommand and set the

type to Insert.


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Select the circular edge of Connector Link_B

as shown.

Select the lower circular edge of one of the

rear chassis pins as shown.

Enter an offset value of 50(1) and click

Apply.

Set the Assembly type to Mate.


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Select the axis of Connector Link_A as

shown.

Select the axis of the front chassis pin as

shown.

Click OK.

Repeat the process to position the second

actuator.

19.Test the available motion of the front chassis.

Reposition the front chassis by dragging it

left and right noting that the limited stroke

of the actuators controls the range of

motion.

20 Cl ll fil ith t i E d f E i

assembly exercise

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