Vessel Intro

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#95 Millbank Rd Southwest

Calgary, Alberta T2Y 2Y9Phone: 403.238.2758 Fax 403.238.8758 Cell: 403.612.4438Website: www.camansol.com Email: [email protected]

CADD Mana ement Solutions

iLogic Vessel Tutorial

This tutorial will take you through the steps required in developing an iLogic

vessel in Inventor 2011. Once complete, the files created can be used inproduction, and modified as required by your company. It is broken into sixphases:

Part Parameter Configuration Assembly Parameter Configuration Head Component Development Shell Component Development Skirt Component Development Vessel Assembly Development

You will need Inventor 2010 with the iLogic addin installed (available fromAutodesk if youre on subscription) or Inventor 2011. It will take about 90minutes to complete, and requires a basic understanding of Inventor.


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Gett ing St ar t ed

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Gett ing St ar t ed

Template Setup

Although not necessary, this tutorial will use templates as a basis for the vesselfiles. This will minimize the amount of parameters we will need to fill out.Creating templates will be a simple matter of copying Inventors templates andrenaming them.

1. Open the Inventor Template Folder, which by default is%ProgramFiles%\Autodesk\Inventor 2011\Templates.

2. Create a new folder called Vessels3. Copy Standard.ipt, and Standard.iam to the new Vessels folder4. Rename them to Vessel.ipt, and Vessel.iamYou can download the files here. Extract the contents to your Inventor 2011Template folder.
http://www.camansol.com/downloads/tutorials/iLogic/iLogicVesselTutorialPart1.ziphttp://www.camansol.com/downloads/tutorials/iLogic/iLogicVesselTutorialPart1.zip


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Vessel Par t Templ at e

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Open the Vessel.ipt Template (%ProgramFiles%\Autodesk\Inventor2011\Templates\Vessels\Vessel.ipt). The first step will be the definition of our

user parameters.

5. Open the Parameters dialog (Manage->Par amet ers)a. Add the Head Type Parameter

i. Click Add T extii. Parameter Name: Typeiii.Key: Checkediv.Export: Checkedv. Right-Click over the equation field, and select Make Mult i -Value

(1)Enter the following:(a)Conical(b)Diffuser(c)Ellipsoidal(d)Flat(e)Hemispherical(f)Torispherical 0.1(g)Torispherical 0.8

(2)Click Addto add them to the list(3)Click OK

vi.Comment: Vessel Head Type


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b. Add the Vessel OD parameteri. Click Add Numeri cii.

Parameter Name: OD

iii.Unit/Type: iniv.Equation: 24v. Key: Checkedvi.Export: Checkedvii.Comment: Vessel Outside Diameter


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c. Add the Vessel Thickness Parameteri. Click Add Numeri cii.

Parameter Name: THK

iii.Unit/Type: iniv.Equation: 0.5v. Key: Checkedvi.Export: Checkedvii.Comment: Vessel Thickness

We have successfully configured the Vessel Part Template. We will nowconfigure the Vessel Assembly Template.


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Vessel Assembly Templa t e

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Open the Vessel.iam Template (%ProgramFiles%\Autodesk\Inventor2011\Templates\Vessels\Vessel.iam), and we will configure our assembly user

parameters, using the same steps as for the part template, with someadditions.

1. Open the Parameters dialog (Manage->Par amet ers)a. Add the Head Type Parameter

i. Click Add T extii. Parameter Name: Typeiii.Key: Checkediv.Export: Checkedv. Right-Click over the equation field, and select Make Mult i -Value

(1)Enter the following:(a)Conical(b)Diffuser(c)Ellipsoidal(d)Flat(e)Hemispherical(f)Torispherical 0.1(g)Torispherical 0.8

(2)Click Addto add them to the list(3)Click OK

vi.Comment: Vessel Head Type


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b. Add the Vessel OD parameteri. Click Add Numeri cii.

Parameter Name: OD

iii.Unit/Type: iniv.Equation: 24v. Key: Checkedvi.Export: Checkedvii.Comment: Vessel Outside Diameter


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c. Add the Vessel Thickness Parameteri. Click Add Numeri cii.

Parameter Name: THK

iii.Unit/Type: iniv.Equation: 0.5v. Key: Checkedvi.Export: Checkedvii.Comment: Vessel Thickness

d. Add the Vessel Seam to Seam Length Parameteri. Click Add Numeri cii. Parameter Name: LENiii.Unit/Type: ftiv.Equation: 3v. Key: Uncheckedvi.Export: Checkedvii.Comment: Vessel Seam to Seam Length

e. Add the Vessel/Skirt Offset Parameteri. Click Add Numeri cii. Parameter Name: SVOFSiii.Unit/Type: iniv.Equation: 6v. Key: Uncheckedvi.Export: Checkedvii.Comment: Vessel/Skirt Offset


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f. Add the Skirt Length Parameteri. Click Add Numeri cii.

Parameter Name: SKLEN

iii.Unit/Type: ftiv.Equation: 2.5v. Key: Uncheckedvi.Export: Checkedvii.Comment: Vessel/Skirt Offset

This completes the configuration of the Vessel Assembly Template. Save thefile, and then save it as %ProgramFiles%\Autodesk\Inventor2011\Templates\Vessels\Skirt.iam, and we will configure the skirt assembly.


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Skir t Assembly T emplat e

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Our final template is the Skirt Assembly Template. If necessary, open%ProgramFiles%\Autodesk\Inventor 2011\Templates\Vessels\Skirt.iam.

1. Open the Parameters dialog boxa. Right click the Type parameter and delete it. It is not required for the

skirt.

b. Make SVOFS, and SKLEN keys.c. Add the Skirt Flange Width parameter

i. Click Add Numeri cii. Parameter Name: SKFWDTiii.Unit/Type: iniv.Equation: 1v. Key: Checkedvi.Export: Checkedvii.Comment: Skirt Flange Width

d. Add the Skirt Flange Thickness parameteri. Click Add Numeri cii. Parameter Name: SKFTHKiii.Unit/Type: iniv.Equation: 0.5v. Key: Checkedvi.Export: Checkedvii.Comment: Skirt Flange Thickness


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We have completed configuring all our templates, and are ready to continuewith the Vessel Component Design.


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Tut or ia l Pro j ect

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Create a new project called iLogicVessel, and make it active. It can either bea single user, or a vault project. If you need help with setting up a project,

consult your Inventor help Files.


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Hemispherical

1. Create a new sketch on the XY Plane2. Rename the sketch to skHemispherical3. Create the following sketch4. Finish the sketch, and revolve the profile around

the Y-Axis

5. Rename the Revolved feature to Hemispherical6. Place two Opposed Insert iMates on the weld face of the head7. Rename them both Vessel8. Suppress the Hemispherical feature


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Torispherical

1. Create a new sketch on the XY Plane2. Rename the sketch to skTorispherical3. Create the following sketch4. Finish the sketch, and revolve the profile around

the Y-Axis

5. Rename the Revolved feature to Torispherical6. Place two Opposed Insert iMates on the weld face of the head7. Rename them both Vessel8. Suppress the Torispherical feature


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iLogic Code

iLogic Code

We are now ready to write the iLogic code for the head.

1. Add a new rule (Manage->Add Rule)a. Rule Name: Heads

i. Ensure that all Features are suppressed.

This can easily be done by clicking the feature in the model tree and selecting Capture

Current State. Keep only the Feature.IsActive() = False lines.

ii. Unsuppress Selected Head Type Unsuppress and set parameters for selected head ype

IfType = "Coni cal " ThenFeature. IsActive("Coni cal ") = TrueKRFAC = 0.154 ul

ElseIfType="Di f f user" Then

Feature. IsActive("Di f f user ") = TrueDRFAC = 0.85 ul 'Dish Radius FactorKRFAC = 0.154 ul

ElseIfType="El l i psoi dal " ThenFeature. IsActive("El l i psoi dal ") = True

ElseIfType="Fl at" ThenFeature. IsActive("Fl at ") = True

ElseIfType="Hemi spher i cal " ThenFeature. IsActive("Hemi spheri cal ") = True

ElseIfType="Tor i spher i cal 0. 1" ThenFeature. IsActive("Tor i spher i cal ") = TrueDRFAC = 1 ulKRFAC = 0.1 ul

ElseIfType="Tor i spher i cal 0. 8" ThenFeature. IsActive("Tor i spher i cal ") = TrueDRFAC = 0.85 ulKRFAC = 0.154 ul

End If

' Suppress all features

Feature.IsActive("Conical") = False

Feature.IsActive("Diffuser") = False

Feature.IsActive("Ellipsoidal") = False

Feature.IsActive("Flat") = False

Feature.IsActive("Hemispherical") = False

Feature.IsActive("Torispherical") = False

Vessel Intro

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