Scenario ObjectivesScenario Objectives

ObjectivesThis scenario illustrates the capabilities of the Part Design workbench available

in CATIA V5R5:

.Design precise 3D mechanical parts with an intuitive and flexible user interface

.Accommodate design requirements for parts of various complexities- fromsimple to advanced

.Apply the combined power of feature-based design with the flexibility of aBoolean approach

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Scenario Major StepsScenario Major Steps

Step 1Add a new Part body

Step 2Create a Shaft feature

Step 3Create a Circular Pattern

Step 4Create a Union Trim

Step 5Create an Edge Fillet feature

Step 6Create a Pad feature

Step 7Create a Hole feature

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Step 1: Read the CATPartStep 1: Read the CATPart

You are going to read a CATIA document

8Click file on the menu bar8Select open

G The file selection definition box should appear

8Select Spindle_start.CATPart in the \Data\PartDesign\ directory where you installed the scenariosdata

8Click Open to confirm the selection

8Answer Yes to the question because somelibraries are not installed on this demonstrationmode

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Step 1: Add a new Part BodyStep 1: Add a new Part Body

You are going to add a new Part Body to allowBoolean operations

8Right click on Spindle Body8Select Define In Work Object

G The Spindle Body should now be underlined in thespecification tree to indicate that it is the In Work Object

8Click on Insert on the menu bar8Select Body

G Body.2 appears in the specification tree

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Step 1: Rename the new Part BodyStep 1: Rename the new Part Body

You will learn how to rename a Part Body

8Right click on Body.2 to display the contextualmenu8Select Properties

G The Properties dialog box will appear

8Select Feature Properties tab.Change the name from Body.2 to Turret Body

8Click OK to confirm the changeG Turret Body will now be visible in the specification tree

G You can compress the tree byclicking on the minus symbol

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

You are going to draw a sketch and use it to createa Shaft8Click on yz plane in the specification tree8Click on the sketcher icon8Deactivate the Snap to Point capability byclicking on the icon (it must not be red)

8Click on the profile icon to create the whiteprofile as shown on the right8Single-click at the indicated START point andmove cursor down creating a vertical line (1).The sketcher assistant tells you when the line is

vertical with the blue color line

8Single click to stop your first line (2)8Move the cursor left to continue your profile witha horizontal line. The sketcher assistant tells you when the line is

horizontal with the blue color line8Single click to stop your second line (3)

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START POINT

1

ENDPOINT

If you fail to create the sketch go to page 14

START POINT

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

8Move the cursor down to continue your profilewith a vertical line. The sketcher assistant tells you when the line is

vertical with the blue color line

8Single click to stop your third line (4)

8Move the cursor right to continue your profile witha horizontal line. The sketcher assistant tells you when the line is

horizontal with the blue color line

8Single click to stop your third line (5)

8Move the cursor down to continue your profilewith a vertical line. The sketcher assistant tells you when the line is

vertical with the blue color line

8Single click to stop your third line (6)

8Continue the profile until the END point checkingthe horizontal and vertical constraints (blue lines)

4

6

5

7

ENDPOINT

STARTPOINT

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

8Single click at the END POINT to finish theprofile and click on the Profile icon again to exitthe function

G Be sure that all geometrical constraints shown on the rightare visible on the profile

.If one or more geometrical constraints are missing,follow the following steps to add the constraint(s)

8Select the line8Click on Constraints Defined in a Dialog Boxicon8In the Constraint Definition window, click onVertical or Horizontal box option8Click OK to confirm selection

.Repeat the same procedure for any other missinggeometrical constraint(s)

ENDPOINT

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

8Click on the Corner icon

8Select the two indicated lines

.An arc and and its radius are displayedG Take care to have the pre-visualization arc at the correct

location (as shown) before pressing Enter

8Enter 38 and the value will be automaticallyplaced on the Radius field then press Enter

8Click on the Corner icon

8Select the two indicated lines

.An arc and and its radius are displayed8Enter 152 and the value will be automaticallyplaced on the Radius field then press Enter

G Take care to have the pre-visualization arc on the rightlocation (as shown) before pressing Enter

.You should have this result

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

To sketch an axis on the yz plane8Click on the axis icon to add an axis as shownon the right

G Click in the 1 area. Make sure the line is blueG Click in the 2 area

Add a coincidence constraint between the axis andSTART and END points of the sketched axis line8Click on the axis

G Press key to multi-select elements

8Click on the START point8Click on Constraints Defined in a Dialog Boxicon

G The constraint definition box should appear

8Check Coincidence box8Click OK to confirm selection

Repeat the same procedure for the axis and theEND point of the sketched axis line

Axis

COINCIDENCECONSTRAINTS

1 2STARTPOINT

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

You will add other dimensional constraints to thesketched profile as shown on the right8Click on the Constraint icon8Select the two indicated lines8Click on the area where you want place thedimension8Double click on this dimension to edit it8Enter 110 in the Value field and press key

8Repeat these operations to create the result asshown in the picture

G To create the 25 dimension you need to select an edgefrom the 3D geometry

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

Modify dimensional constraints to match theillustration as shown on the right

8Repeat these operations to create the result asshown in the picture

.To create the 47 dimension select the vertical line,click on MB3 and select the Position Dimensionoption to place the dimension this will prevent youfrom accidentally selecting the geometry and creatinga wrong dimension.

.If you accidentally create a wrong dimension, weremind you that you can restart by clicking on theSelect icon

8Click the Exit Workbench icon

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Step 2: Create a Step 2: Create a SShaft featurehaft feature

If you fail to create the sketch:

8If you have not already exited the Sketcher,click on the Exit workbench icon

8Delete the Sketch.20 you just have created withMB3 on Sketch.20 + Delete

8Expand the Open_Body.1 by clicking on the +symbol

8With MB3 on Sketch.20 select Hide/Show

If you have succeeded in creating the sketch,continue the scenario on the next page

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Step 2: Create a shaft featureStep 2: Create a shaft feature

You can now create the shaft feature

8Click on the shaft iconG The shaft definition box should appear

.Be sure the parameters in the definition box matchthe parameters shown on the right. Select the sketchyou have just designed if needed.

8Click on Apply to preview shaft feature

8Click OK to confirm shaft featureG The shaft feature is added to the specification tree

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Step 3: Create a circular patternStep 3: Create a circular pattern

You can create a multi instantiation of the shaftusing the circular pattern icon8Click and keep MB1 on the black arrow at thebottom right of the Rectangular Pattern icon8Drag the mouse then release MB1 on the circularpattern icon8Select Shaft.2 in the specification tree

G The circular pattern definition box should appear

8Select Complete crown in the Parameters field8Enter 3 for the Instance(s) field8Click on the Reference element field8Select the external cylinder in the 3D view8Click on Apply to preview circular pattern ofshaft8Click OK to confirm circular pattern of shaft

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Step 4: Create a union trimStep 4: Create a union trim

You can use a Boolean operation to assemble andtrim the two bodies

8Right click on Turret Body in the specificationtree8Select Turret Body object8Select Union Trim

G The trim definition box should appear

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Step 4: Create a union trimStep 4: Create a union trim

8Click on the Faces to remove field8Using the mouse, select the 3 faces of the shafton the geometry as shown on the right.The faces should turn pink

8Click on the Faces to keep field8Using the mouse, select the lower band of theSpindle Body as shown on the right.The face should turn blue

FACES TO REMOVE

FACES TO KEEP

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Step 4: Create a union trimStep 4: Create a union trim

8Click Apply to preview union trim

8Click OK to confirm union trimG Trim.1 is added to the specification tree

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Step 5: Create an edge filletStep 5: Create an edge fillet

You can now create an edge fillet8Click on the edge fillet icon.Key in 38mm for the radius field

8Click on Object(s) to fillet field8Using the mouse,select the 3 inner edges of the shaft asshown below.Each time you select an edge, check in the Object(s) to fillet

field in the Edge Fillet Definition window that the number ofedges is increasing. If you can read 1 Face it means you haveselected a face instead of an edge. So deselect it by clicking onthe same face.

8Click OK to confirm edge fillet feature

EDGE 1

EDGE 2

EDGE 3

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Step 6: Create a pad featureStep 6: Create a pad feature

You will create a pad feature, using the profilesketched on the surface, as shown on the right

8Click on one of the 3 sketch surface as shown8Click on the Sketcher icon

SKETCH SURFACE

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Step 6: Create a pad featureStep 6: Create a pad feature

Sketching the pad profile8Click on the project 3D elements icon8Select the edge you want to project, as shownon the right8Click anywhere off the geometry to confirmselection of edge

G The color of the edge should now be yellow

8Click and hold MB1 on the black arrow at thebottom right of the Circle icon8Drag the mouse then release MB1 on the Arcicon

8Select the origin as the center point of the arcG Make sure the Double circle appears. This means there will

be a coincidence constraint between this point and the origin

EDGE TO PROJECT

ARC CENTER POINT

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Step 6: Create a pad featureStep 6: Create a pad feature

8Click on the start point and end point area of thearc as shown on the right

Connecting the start point of the arc with theendpoint of the projected edge as shown on theright

8Click on the line icon8Select the start point of the arc

G Here again, make sure a Double circle appears

8Select the endpoint of the projected edgeG Here again, make sure a Double circle appears

8Click anywhere off the geometry to confirmcreation of the line

START POINT END POINT

PROJECTED EDGEENDPOINT

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Step 6: Create a pad featureStep 6: Create a pad feature

You will now duplicate an element using symmetry8Click on the Symmetry icon8Click on the line between the start point of thearc and the endpoint of the projected edge.

8Click on the vertical axis. This is the line fromwhich the element will remain equidistant

G A line should appear between the endpoint of the arc andthe endpoint of the projected edge as shown on the rightG The symmetry symbol should appear as shown on the right

VERTICAL AXIS

LINE TO SYMMETRY

SYMMETRICALLINE

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Step 6: Create a pad featureStep 6: Create a pad feature

Adding a coincidence constraint between theendpoint of the arc and the endpoint of thesymmetrical line as shown on the right. This willclose the contour.One of the scenarios on the right should match what

you have on your screen

8Click on the endpoint of the arcG Hold control key to multi-select

8Click on endpoint of the projected edge8Click on Constraints Defined in a Dialog Boxicon8Check Coincidence box8Click OK to confirm selection

8Click on the Exit Workbench icon

ARC ENDPOINT

SYMMETRICALLINE ENDPOINT

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Step 6: Create a pad featureStep 6: Create a pad feature

8Click on Pad iconG The pad definition box should appear

8Select the profile you have just created ifneeded8Click on the Reverse Direction button8Click on the Type field8Select Up to plane8Click on the Limit field

8Using the mouse select Plane.1 in the 3Dwindow as shown on the right

LIMIT (Plane.1)

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Step 6: Create a pad featureStep 6: Create a pad feature

8Click on Apply to preview pad feature

8Click OK to confirm pad feature

8Click anywhere off the geometry to de-selectpad feature

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Step 6: Create a circular patternStep 6: Create a circular pattern

Creating a multi instantiation of the pad using thecircular pattern icon

8Click on the Circular Pattern icon8Click on Pad.3 in the specification tree

G The circular pattern definition box should appear

8Select Complete crown in the Parameters field8Enter 3 in the Instance(s) field8Click on the Reference element field8Click on the external cylinder in the 3D view8Click on Apply to preview circular pattern ofpad8Click OK to confirm circular pattern of pad

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Step 7: Create a hole featureStep 7: Create a hole feature

You will use the drag and drop feature of V5 tocreate a hole feature

8Drag and drop the Hole iconG Make sure you keep MB1 pressed when using drag and

drop feature

8Release the icon on the surface where you wantto create the hole, as shown on the right

AREA FOR HOLE

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Step 7: Create a hole featureStep 7: Create a hole feature

Changing the extension type of the hole from Blindto Up To Plane8Click on pull down arrow and change settingfrom Blind to Up To Plane8Click on the Diameter field.Key in 120 mm

8Click on Limit field8Select Plane.1 in the 3D window as shown onthe right

LIMIT (Plane.1)

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Step 7: Create a hole featureStep 7: Create a hole feature

You will now add a concentricity constraintbetween the hole and the inner hole of the shaft8Click on the Sketcher icon in the HoleDefinition box.This automatically takes you into the sketcher

workbench

8Click on center point of the hole as shown onthe right

G Hold control key to multi-select

8Click on inner hole of the shaft as shown on theright8 Click on Constraints Defined in a Dialog Boxicon8Check Concentricity box8Click OK to confirm selection

SHAFT INNER HOLE

HOLE CENTER POINT

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Step 7: Create a hole featureStep 7: Create a hole feature

8Click on the Exit icon

8Click on Apply to preview hole feature

8Click OK to confirm hole feature

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Step 7: Create a circular patternStep 7: Create a circular pattern

Creating a circular pattern of the hole using thecircular pattern icon8Click on the Circular Pattern icon8Click on Hole.6 in the specification tree

G The circular pattern definition box should appear

8Select Complete crown in the Parameters field8Enter 3 in the Instance(s) field8Click on the Reference element field8Click on the external cylinder in the 3D view8Click on Apply to preview circular pattern ofhole8Click OK to confirm circular pattern of hole

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End of scenarioEnd of scenario

You now have the final part as shown on the right