Download - CATIA V5 - Assembly Design: - Serwis informacyjny - CATIA … V5 - Assembly Design: - Serwis informacyjny - CATIA Strona główna

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Assembly Design

IBM Product Lifecycle Management Solutions / Dassault Systemes

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Description?This Tutorial is an introduction to Assembly Design.

Message?Assembly Design is easy to use and powerful. The basics of productstructure, constraints, and moving assemblies and parts can be learnedquickly.? In this tutorial you will understand the power of associativity in CATIA V5,creating design in context and realising operations directly in the assemblydesign.?We will see the facility to use sub assemblies and constraints.

Duration?45 minutes

Product Coverage?Assembly Design, Part Design

Page 2IBM Product Lifecycle Management Solutions / Dassault Systemes

Tutorial Objectives

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Tutorial Major StepsHere are the major steps of the tutorial:

Step 1? Add a part into an assembly

Step 2? Fix create constraints between this new part and other parts

Step 3? When the tweeter is inserted, repeat this operation with the woofer

Step 4? Create Holes in the Box to add screws

Step 5? Add screws from a catalog

Step 6? Modify the size of the Box and check the associativity

Step 7? Assembly Feature

Step 8? Manipulation with respect to the constraints

Step 9? Exploded view

Step 10? Hyperlinks


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IBM Product Lifecycle Management Solutions / Dassault SystemesIBM Product Lifecycle Management Solutions / Dassault Systemes Page 4

Depending on your needs, you may have to modify the CATIA V5 settings (units, defaultdirectory, visualisation parameters, etc…)

In order to use the appropriate settings for this tutorial, you have two possibilities:

1. Do the following operations (simplest one):?BEFORE STARTING YOUR CATIA V5 SESSION:? Copy or replace the directory ..\Assembly Design\Data\CATSettings in:

C:\Winnt\Profiles\XXXXX\Application Data\DassaultSystemesC:\Documents and settings\Profiles\XXXXX\Application Data\DassaultSystemesC:\Windows\Profiles\XXXXX\Application Data\DassaultSystemes XXXX is the name used to log on to your computer

? Do not forget to put this folder (CATSettings) in read mode: ? Select the folder (CATSettings)

? Click mouse button 3 then click on Properties and uncheck the Read-only Attribute? Select all the files in the folder? Click mouse button 3 then click on Properties and uncheck the Read-only

Attribute

2. Set them manually:? Launch your CATIA V5 session and do the operations from page 50 onwards

Settings

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For NT users

For Windows 2000or XP users

For Windows98 users

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Settings 2/2

For this tutorial you also need to install a material catalogue:? Do not do this step if you have already done it in getting started or in a previous tutorial

? Copy the ..\Getting Started\Catalog.CATMaterial file under ..\ProgramFiles\Dassault Systemes\M07\intel_a\startup\materials\French directory

? Copy the ..\Getting Started\Catalog.CATMaterial file under ..\ProgramFiles\Dassault Systemes\M07\intel_a\startup\materials\German directory

? Copy the ..\Getting Started\Catalog.CATMaterial file under ..\ProgramFiles\Dassault Systemes\M07\intel_a\startup\materials\Japanese directory

? Copy the ..\Getting Started\Catalog.CATMaterial file under ..\ProgramFiles\Dassault Systemes\M07\intel_a\startup\materials directory

? Answer Yes in order to replace the old catalogue

You are now ready to launch your CATIA V5 session

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Start Scenario

We will work on the product that appears whenCATIA starts

? CATIA starts in the Product Structureworkbench with Product1 selected in the tree

?Select Start + Mechanical Design +Assembly Design to access the assembly tools

?Here we will change the name of the product?Click on the “Product1” name in thespecification tree?Click MB3 + Properties to display theProperties dialogue box?Select Product tab?Double-Click in the Part Number field?Enter “Loudspeaker” instead of Product1?Click OK

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Step 1: Open the Box

Opening an existing part?Opening Two_Way_Box.CATPart

?File + Open in the Menu Bar? CATIA also supports Windowsstandard hotkeys such as <CTRL>+Ofor open and <CTRL>+N for new

?Select Show Preview to preview apart or an assembly

? You can preview your modelsbefore you open them. Notice thepreview is very fast. This is becauseyou are only reading the image in theNT metafile

?Select Two_Way_Box.CATPart inthe … \Assembly Design \Data\directory

? The path will depend on where youinstalled the data

?Click Open

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Step 1: Customise a Hotkey

Customising a Hotkey? You could use the pulldown Window-TileVertically to do this action, but we would like youto take a moment to see how easy it is to createa Hotkey

? Click MB3 on any icon and chooseCustomize from the contextual menu

? You can also use Tools + Customize inthe Menu bar

? Select the Commands tab? Select Window on the left part of thewindow? Select Tile Vertically on the right part ofthe window? Click on Show Properties button? Enter F4 into Accelerator? Click Close

? You can check the result of your customisation? Hit F4 to tile your windows vertically

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Step 1: Add first part to assembly

Dragging and dropping the part into the product? You will insert the Part into the Assembly

? Select the side or front face of the Box and drag itonto the top of the tree in the assembly window(holding MB1)

? You will see a ‘+’ on your cursor as shown? You could also have selected Two_Way_Box at thetop of the part tree and dragged it onto Loudspeaker atthe top of the Assembly tree

? Now you will continue inserting and constraining furtherparts in the assembly window

? Maximise the assembly window (Product.1)? Select Fit all in? Select Fix Component icon

? If you don’t see the icon, it means that thecorresponding toolbar is hidden due to your displaysettings. To find it, drag and drop the empty area fromthe bottom right side to the centre of the 3D view.Repeat this operation until you find the right toolbar. Toput it back, do the reverse operation

? Two_Way_Box.CATPart is already selected

? Click on the ‘+’ sign of the Constraint line to displaythe constraints you have created

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Step 1: Use the Hide/Show mode

? You will now see that you can use 2 layers inthe 3D view: the Show view and the No Showview. The No Show view is used to store all theunneeded elements.

? Select the Anchor in the 3D view or theFix.1 (Two_Way_Box.1) line in the tree? Click on the Hide/Show icon on thebottom toolbar to hide the constraintvisualisation

? We will temporarily hide this constraint.Notice the constraint is now greyed out in thetree as well as hidden in the geometry view

? Click on the Swap visible space icon? This displays the No Show layer? You should now see the constraint and thegeometry used to create the box? Click Swap visible space again to goback to the Show view

? Select Fit All In

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Step 2: Add the Tweeter to the Assembly

Adding the Tweeter to the Loudspeaker?Now you are in the right workbench, youcan insert the tweeter

?Click MB3 on Loudspeaker at thetop of the tree or the ExistingComponent icon? In the contextual menu chooseComponents + ExistingComponent…

? In the Insert an ExistingComponent window, Open…\Assembly Design \Data\

tweeter\tweeter.CATProduct

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Step 2: Move tweeter in assembly

Moving the Tweeter? You can roughly position a part using theCompass ( At the top right of the screen )

? Place the mouse cursor on the red dot ofthe Compass?When the cursor becomes a cross, holddown MB1? Drag the Compass onto the front face ofthe tweeter sub-assembly then release MB1

? The compass will turn bright green,indicating that it can be used to move the part

? Place the mouse cursor on the verticalaxis and when it turns orange, hold MB1and drag the tweeter outside the box

? Using the other axis of the Compass,repeat the operation to position the tweeteras shown

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Step 2: Move tweeter in assembly

Moving the Tweeter?You can also rotate a part…

?Select here to rotate the tweeter~30° clockwise about the x axis?Drag the red dot compass awayfrom the tweeter holding MB1 andshift

? Shift resets the compass (z axisup)

?Click MB3 on the face of thetweeter. Select Reframe On to zoomin on the tweeter

?Click off the geometry to deselectthe tweeter face

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Step 2: Add constraints

Creating Coincidence Constraints? You’ll now fix some assembly constraints

? Select Coincidence Constraint icon

? Select these 2 cylindrical surfaces (bothinternal hole faces)

? DO NOT HESITATE TO ZOOM on thesefaces to be sure you select them (pleaserefer to the Get Started scenario to find outabout zooming)? The tweeter will snap into place

? Select these 2 cylindrical surfaces (bothinternal hole faces) while holding <CTRL>

? Select Coincidence Constraint again? The tweeter will rotate into place? You have seen two ways for the creationof a constraint : icon – object / object - icon

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Step 2: Add Constraints

Creating Contact Constraints?Now you have created somecoincidence constraints, you will create acontact constraint to finish mounting thetweeter on the box

?Click on the Contact Constrainticon

?Select this face on the tweeter

?Select this face on the box? The tweeter will snap into place

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Step 2: Hide Constraints

Hiding constraints and planes?As before, you can make the viewclearer by moving the new constraintsonto the No Show layer

?Holding the <CTRL> key SelectConstraints from the tree and thisplane from the geometry

?Select Hide/Show icon

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Step 2: Assembly level associativity

Modification of one part? You will now use both views: The Assemblycontext view and the Part context view. You needto modify the dimension between the two holesbecause they are too close

?Windows + Tile Vertically in the menubar or Hit F4 key if you already have gonethrough the Part Design scenario where youlearn how to create a Hotkey? In the Part window (Two_way_box.CATPart ) double-click the internal face ofthe tweeter hole? Double-click the 223 dimension value

? Move the definition panel to see the 223dimension value.

? Modify it from 223mm to 240mm andpress <Enter>? Select OK in Hole Definition dialog box

? Click inside the assembly window? “Notice the tweeter automatically moves tofit the hole. This is an example of Assemblylevel associativity.

? Maximise the assembly window? Zoom out or Fit All In to show the entirespeaker

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Step 3: Add Woofer to assembly

Adding the Woofer to the Loudspeaker? Now you will repeat the operation for theWoofer

? Click MB3 on Loudspeaker at the top ofthe tree? Click the Existing Component icon

? Preview the parts that make up the woofer

? Select … \Assembly Design\Data\250mm Driver.CATProduct? Click Open

Moving the woofer? Drag the compass onto the Diaphragm of thewoofer

? The compass should be as shown

? Click MB3 on the compass and chooseEdit? Type in 350

? The x direction is already selected.

? Click Apply new position? Select Close in Compass Manipulationdialog box? Drag the compass away from the woofer? Click anywhere in the background to de-select the geometries

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Step 3: Constrain woofer

Creating Coincidence Constraint?Adding a coincidence constraint

?Select Coincidence Constrainticon?Click MB1 to select this cylindricalsurface on the Diaphragm?Click MB1 to select this cylindricalsurface on the box

Creating Contact Constraint?Adding a Contact constraint

?Select Contact Constraint icon?Select this face on the woofer

? If the orientation of the view is notas shown, you can rotate the view

?Select this face on the box? The woofer should snap into place

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Step 3: Parallelism Constraint

Creating Parallelism Constraint?To show you some other possibilities,we will create a parallelism constraint toorientate the Woofer into the Box

?Select Angle Constraint icon?Select the plane from the box?Select the plane from the woofer? In the Constraint Propertieswindow, check Parallelism

? If this were not a symmetrical partyou could select the green arrow torotate it

?Click OK

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Step 3: Hide constraints and planes

Hiding constraints and planes?You can now Hide the new constraints

?Holding <CTRL> ( on the keyboard ) select the plane on the wooferand the 3 constraints at the bottom ofthe tree?Click MB3 and select Hide/Show?Hit F3 to hide the tree?Double-click the box in thegeometry view

? This will bring us into the partDesign workbench.? We are now editing the box in thethe assembly view

?Click MB2 on the hole to re-centre on it?Zoom in on this hole

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Step 4: Part Design in the assembly view

Making a hole in the box? Use the assembly view to create the correspondingholes in the Box part

? Select this edge? Hold <CTRL> and select this surface

? We are going to put a hole in the box that will stayconcentric to this hole in the woofer

? Select Hole icon? Answer Yes to the question if it appears

? The link between the hole of the Box and the circle ofthe Woofer hole will remain. Any modification made to thehole in the box will also be applied to the hole in thewoofer

? Select Up To Next? Selecting Up To Next means that if we modify thethickness of box, the hole will be adjusted accordingly

? Enter 4mm in the Diameter field

? Select Positioning Sketch to check theconcentricity

?You can see that a coincidence constraint has beenautomatically created

? Select Exit Workbench icon to exit the sketcher

? Click OK to close the Hole Definition window

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Step 4: Part Design in the assembly view

Patterning the hole? You will now create a series of holes around the wooferaxis

? Click and hold MB1 on the black arrow at thebottom right of the Rectangular Pattern icon? Drag the mouse then release MB1 on the CircularPattern icon? Select Complete Crown in the Parameters field? Click MB3 on Instance(s) field and select EditFormula? Select one of the 3 other holes on the woofer (notwhere the hole is apply ).

? You will need to pan down

? Select Number of Holes? External parameter selection dialogue box

? Select OK to close External Parameter selectionwindow? Select OK to close Formula Editor window? Select the Reference element field? Select the cylindrical surface of the box shown asthe reference element

? You may have to zoom in on this area to select the rightface

? Select YES? Select OK

? The hole pattern on the box is driven by the hole pattern onthe woofer

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Step 4: Assembly Level associativity

Illustrating assembly level associativity? As the number of holes are linked, anymodification of the number of Woofer holes willhave the same result for the Box ones

? Double click the hole in the woofer?The hole you are already zoomed in on

? This brings us into Part design for thewoofer

? Double click again on it to edit thedefinition of the circular pattern? Zoom out to see the holes? Change Instances from 4 to 6

?Use the up arrow or enter the value

? Select OK? Notice the box has turned bright redindicating the hole pattern should be updatedto match the pattern in the woofer

? Hit F3 to show the tree? Double click Loudspeaker at the top ofthe tree

? the links are automatically updated andyou enter the Assembly Design workbench

? Zoom in to add the first screw to the holeas shown

? Next we will add screws to the assemblyusing a standard parts catalog

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Step 5: Insert screw from catalog

Inserting screw from catalog? You will now insert some screws into theseries of holes

? Select the Catalog Browser icon? Remember to put the bottom toolbar out tofind the missing icons…

? Select Browse another catalog button

? Find and Double-click … \AssemblyDesign\Data\ISO_4762.catalog

? You don’t have access to the StandardPart catalog because you are in aDemonstration Mode. If you want to usethe Full provided Catalog, do not hesitateto contact your Business Partner

? Drag and drop ISO 4762 screw M5x20…into Loudspeaker at the top of the tree

? You see the screw in the tree but not inthe 3D view. This is normal… In fact, thescrew is inside the Loudspeaker… In thenext step, we will move it.

? Close the Catalog

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Step 5: Assembly Constraints

Moving the screw?Position the screw to create theconstraints

?Drag the compass onto the front ofthe speaker?Select Screw from tree

?If not already selected

?Dragging the compass, selecteither a green axis or a blue planeand move the screw to itsapproximate position?When you are satisfied with theposition of the screw, drag the red dotof the compass away from thetweeter holding MB1 + shift

? Shift resets the compass (z axisup)

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Step 5: Assembly Constraints

Constraining the Screw?Create a Coincidence constraint between thescrew and the hole axis

?Select the Coincidence Constraint icon?Select the cylindrical surface of the screw?Select the internal cylindrical surface onwoofer

? The screw snaps into place

?Select the Contact Constraint icon?Select the flat face on the woofer hole?Select the flat face on the screw

? Don’t hesitate to rotate the assembly usingMB2 + MB1 (see Get Started exercises) thenselect the back face of the screw

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Step 5: Align screws with reference pattern

Aligning the screws with the referencepattern? Here you will reuse the existing pattern tocreate as many screws as you have holes

? Select the screw in 3D Geometry View? Select Reuse Pattern icon? Select here? Select this hole on the woofer? Check All under Re-use Constraints? Select OK

? We now have 6 screws with theirconstraints. You cam reduce the Constraintstree by clicking on the (-) sign

Creating another series of screws? Duplicate the screw using an existing one

? Hit F3 to show the tree? Drag the last screw into Loudspeaker inthe tree holding <CTRL> key

? You should see a “+” sign? This will create another series of screws

? Move the compass onto the face of thebox? Select the last screw in the tree? Hit F3 to hide the tree? Drag the compass to move the screwnear the tweeter

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Step 5: Screw in the Tweeter

Constraining the screw?Creating the constraints

?Select Coincidence Constrainticon?Select the cylindrical surface on thescrew?Select the cylindrical surface on thetweeter

?This time we are using the top lefthole, which is #4 in the pattern

? The screw snaps into place?Select Offset Constraint icon?Select the flat surface on thetweeter?Select the flat surface on the farside of the screw

?Rotate the view if necessary

?Set Orientation to Opposite?Set Offset to 0?Click OK

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Step 5: Align screws with reference pattern

Aligning the screws? Creating and positioning the 3 other screws

? The coincidence constraint is alreadyselected? Select Reuse Pattern icon? Select All under Re-use Constraints? Click OK

? We now have 10 screws with theirconstraints? This time we did not have to select thepattern, as the hole in the tweeter is already amember of the pattern

? Hiding all the constraints? In the tree, select all the constraints youhave just created and the three planes. Usethe <CTRL> key (for multi selection) andclick on the Hide/Show icon

? The speaker is now complete. Let’s seewhat it looks like with another boxconfiguration

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Step 6: Design Table

Designing Table? Modify the height of the Box

? Double-click the side of the box? This brings us into Part Design

? Double-click on Configuration in thetree? Select this button in the window? Double click on line 2? Click OK

? The assembly needs to be updated

? Double-click on Loudspeaker at the topof the tree

? This will update the locations of thewoofer, tweeter and the screws

? Hit F3 to hide the tree

? Play a MP3 on your PC? Select View + Full Screen? Click MB3, then select Full Screen againto exit the Full Screen view

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Step 6: Design Table

Designing Table? Return to the first size:

? Double-click the side of the box? This brings us into Part Design

? Double-click on Configuration in thetree? Select this button in the window? Double click on line 1? Click OK

? The assembly needs to be updated

? Double-click on Loudspeaker at the topof the tree

? This will update the locations of thewoofer, tweeter and the screws

? Hit F3 to hide the tree

? Play a MP3 on your PC? Select View + Full Screen? Click MB3, then select Full Screen againto exit the Full Screen view

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Step 6: Facultative point

Facultative point:? If you had not enough time or if you hadfailed the steps before, you can load thefollowing file:

?Close all the windows present inCATIA V5?Select file open

? Find Loudspeaker product

?Click Open or double click onLoudspeaker.CATProduct in../Assembly Design/Data/Step 7.

? You are now able to continue thescript.

End of the facultative point

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Step 7: Assembly Feature

Insert a support? Import the support:

?Re-size the view?Double-click on Loudspeaker atthe top of the tree

? It will be highlighted in orange

?Use the contextual menu on theLoudspeaker to insert a component.

? MB 3 on Loudspeaker, and thenComponent/Existing Component

?Select the Support.CATProductIn …\Assembly Design\Data\? You can focus your research onCATProducts, using “Files of type” :Products(*.CATProduct)

?Click OK? The support is on the speaker.

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?Delete the fix constraint on the box?Click on the constraint in the tree

? It will be highlighted in orange

?Press the key < Delete > on yourkeyboard.

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Positioning?Move the imported product:

?Re-size the view?Drag and drop the compass on thesupport in the 3D view

? Place the compass on the 3Dgeometry.

?Click on support in the tree tohighlight it

? The support can be now movedentirely.

?Select the z axis on the compassto move down the support

? Drag and drop the compass untilit’s in the right place.

?With a drag and drop, replace thecompass on the bottom right axis.

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?Create automatically the coincidenceconstraints:

?Re-size the view?Click on the Quick Constraint icon

? This is a smart tool, which willrecognise automatically the type ofconstraint regarding the type ofgeometry chosen.

?Click the constraints:? You must zoom on the holes, as inthe picture. When you approach thecylinder, CATIA will automaticallydetect the axis

?Click on the two holes, as inpicture 1?Click again on the QuickConstraint Icon?Click on the two holes, as inpicture 2

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?Create automatically the contactconstraints:

?Click on the Quick Constraints?Click on the first face, as in thepicture.

? You must move the geometry tohave a good view.

?Stay at the “3D view” and approachthe cursor on the second face, usethe up arrow on the keyboard once,and then approach the cursor on thecentre of the arrows. A circle willappear, click on it to accept theselection.

? You can turn the assembly aroundand select the face directly.

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Split?Select the cutting element:

?Open the tree, as in the picture?Click on the Split icon and selectthe join in the open body of RotatorAxis

? This join will be the cuttingelement

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? Impact the Box :?Select the Two_Way_Box in thetop panel.?Use the arrow to confirm yourchoice

? The single arrow not the double

?Change the direction by clicking onan orange arrow

? As in the pictures

?OK in the split Definition? If the panel Split Definition is not availablemove the Panel Assembly Feature Definitionusing a drag and drop on the top blue bar.

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See the result?Hide / Show the support to see theresult:

?Click on Support in the tree andthen click on the Hide / Show icon

? We see the impact of the split onthe Two Way Box

?Do the same? We have the entire Assembly now.

? In the tree, select theTwo_way_box, then with thecontextual menu on it ( MB 3 ), selectComponents/Isolate Part.

? You can isolate the parts from thelinks we created before at any time.

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Step 8: Manipulation with respect to the contraints

Manipulation?Flexible Sub-Assembly:

?Change the sub-product Supportas a Flexible Sub-product, MB3 onLoudspeaker support in the tree, andclick on Flexible/Rigid

? We are now able to use theconstraints inside the sub-productstarting from the global product.? Also note that the icon in the treehas changed for another one inpurple.

?Select the manipulation Icon?Switch the button :

With respect to constraints

?Select the icon axis rotation.?And then select the axis as thepicture by clicking on it.?Zoom back

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Step 8: Manipulation with respect to the contraints

?Catch the two_way_box and turn it? You will perform a drag and drop,but without the drop.? When you find a position, just dropthe cursor.

?The manipulation is finished

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Step 9: Exploded View

?We will create a scene where anexploded view will be realised. Soclick on this Icon?Select the name of your scene

? Exploded view

?Click OK twice.? You are now in the scene area,which has a green background

?Select the exploded icon?Click on Loudspeaker in the tree

? De-select the entire product

?Select all the following designs byclicking on them in the tree:

? You will obtain the following panel

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?Select the fixed product table? It will be highlighted in blue

?Select the Two_Way_box in thetree?Change the Depth Definition forFirst level

? The sub assembly will move as awhole - not as parts.

?Click on Apply?Click on the left arrow to return tothe previous step.?Click on the right arrow to chosethe final exploded view and then clickOK

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?Leave the scene by clicking on theexit Icon:

? We are now in Assembly Design

?We can now return at anytime tothe exploded view by double clickingon the small view at the bottom left ofthe CATIA window.

? The exit will be like before

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Step 10: Hyperlinks

? Re-size the view? Select the Flag Note Icon

? This item creates hyperlinks betweenCATIA and other Files

? Select the top of the box? Change the Name of the Hyperlink

? Change to “Hyperlink”

? Click on the Browse… Button and openthe following files :

250mmPlan.pdf

Characteristic.pdf

In …\Assembly Design\Data\? You can now switch the Go to button toactivate the link and open the file.? Click on a line in the panel to activatethe Go to button, and then click to activethe link.

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Step 10: Hyperlinks

?Click OK in the panel?MB3 on the Flag in the 3D view?Select the properties

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Manual Settings

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Settings

Tools/Options?We will configure the environment ofCATIA

?Select Tools + Options menu

?We will erase any previousconfigurations.

?Click on General?Click on the Reset Bottom?Select for all the tabpages

?Click YES

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Settings

Tools/Options?Under General select Parameters onthe tree

?Select to check With value andWith formula

?Under Infrastructure select ProductStructure on the tree

?Select to check : Automatic Expand Parameters Relations Products

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Settings

Tools/Options?Under Mechanical Design select PartDesign on the tree

?Select the General folder?Select Keep link with selectedobject?Select Confirm when creating alink …

?Select the Display folder?Select Constraints, Parameters,Relations

?That’s all for the configuration?Select OK at the bottom right

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CONGRATULATIONS


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Download - CATIA V5 - Assembly Design: - Serwis informacyjny - CATIA … V5 - Assembly Design: - Serwis informacyjny - CATIA Strona główna

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