Game Controller Core Modification

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VERO UK TRAINING MATERIAL

Version 17

Game Controller Core Modification


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Contents

Page.INTRODUCTION..................................................................................................................3

Pre-requisite......................................................................................................................3Object................................................................................................................................3

File > Open....................................................................................................................4Analysis > Compare ......................................................................................................5Window > View > Set Drawing Filters............................................................................7

Analysis > Analyse Face colour.....................................................................................7Window > View > Set Drawing Filters............................................................................8Wireframe > Draw Edges ..............................................................................................9

Analysis > Split Body.....................................................................................................9Operation > Unite ........................................................................................................10


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INTRODUCTION

Pre-requisite

It is important that before you attempt this Core Modification training example; you musthave completed and fully understood the previous VISI-Design and VISI-ModellingandVISI-Surface Modellingand VISI-Analysis examples.

During this exercise, it is assumed that the user has a basic knowledge of the VISI-Seriessoftware.

Object

With the following example we will try to simulate a real scenario where a core and cavity

model has already been created from an imported model when a design change appears.

Within this example we will use the VISI-Analysis tools to highlight the design changes andthen to apply the modification to the existing core model.


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Start by opening the workfile: -

File > Open

Select the file named Core Modification.wkf

The model should look as below: -

Within this example each model has been located on aseparate layer. You will find that there are 4 layers. At thebeginning of this tutorial we are only interested in theoriginal component and the imported part revision. Thesetwo models can be found on the original component andthe component revision layer.

NOTE !

To run the model comparison it is necessary to select both bodies (solids or surfaces). Inmany cases the models look identical as the changes are slight and often not easilyrecognisable. For this reason it is recommended to have a different colour for each model;it is then possible to select each body using the colour filters.


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Analysis > Compare

Select the first body - Select PART1 (the original solid model light green)

Select the body to compare - Select PART2 (the revision solid model pale yellow)

NOTE !The comparison tolerance value can be changed from inside the compare control panel.

The following interface will be displayed :

Select the Update Graphics icon. to quickly identify the part modification


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The slider bar can be used to modify the transparency of the first and second component. Ifyou switch OFF the show common facesoption only the faces that have changed will bedisplayed.

Using the slider bar we can see that on the

new part revision, the diameter of the internaldiameter has been modified.

Select the Apply icon

Selecting the Apply icon will retain the colours of the comparison faces. In this case blue

faces will be created on the original model and yellow faces will be created on the revisionmodel.

With the comparison faces a different colour from the rest of the model, we can use theAnalyse Face Colouroption to automatically separate the modified faces.


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Window > View > Set Drawing Filters

To make the model selection easier we can use the layers to only show the revisioncomponentlayer.

It is possible to switch on/off multiple layers using the Windows standard CTRL andSHIFT key selection.

Analysis > Analyse Face colour

This option will analyse a model and automatically detect all face colours present on themodel. Using the interface available, it is then possible to assign any face colour to anylayer.

Select the solid to analyse Select the revision solid

The following dialogue box will be displayed

Select this model

Double click the yellow core

layer name and the followingdialogue box will appear :

Create new layer

Make the component revisionlayer the active layer


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Select the Create a new layer icon and create a newlayer called modified surfaces

Select the new layer in the dialogue box and select OK

Selecting OK will now create a new set ofyellow surfaces on the modifiedsurfaceslayer.

Window > View > Set Drawing Filters

With the modified surfaces extracted we can now use the layers to show only the modifiedsurfacesand also the corelayer.

Select this layer

Destination layerDe-select the tick forthe pink surfaces.This will prevent thisset of surfaces frombeing extracted. Weare only interested inthe yellow modifiedsurfaces.

Part modification


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Wireframe > Draw Edges

Using this operation we will create the peripheral edges of the modifiedsurfaces as wireframe geometry. We will then use these new curves to cutthe core model. It is then possible to remove the faces no longer requiredon the core model and replace them with the yellow modified surfaces.

Ensure that the Select all peripheral edges of a sheet bodyicon is selected

Select the body to create the curves Select the yellow modified surfaces

Analysis > Split Body

Select the body to split Select the core model

Select the splitting elements Select All geometry

Accept the splitting tolerance

Select all peripheral edges of a sheet body

Select the yellow modified surfaces

All peripheral edges are created


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6 sheet bodies will be created

With the core model now split, it is possible to remove the faces that will be replaced usingthe yellow modified surfaces

To rebuild the core solid model with the new surfaces it is only a case of uniting allremaining core surfaces (pink) with the modified surfaces (yellow)

Operation > Unite

Select the first target body Select any pink coresurface

Select the tool (sheet) bodies Select all elements(only surfaces can be selected)

Accept the default knitting tolerance

Congratulations, a new core SOLID model will be generated and the colour of the modifiedfaces will be maintained. This completes the Core Modificationtutorial.

Delete these faces (Blue)from the core model.

Result of the deleted surfaces

Documents

Game Controller Core Modification