Deleting and suppressing, relations.pptx

7/27/2019 Deleting and suppressing, relations.pptx

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Suppressing and deleting

> Suppressing an item removes it from the graphics windowand regeneration cycle , but the item can be resumed .

> Deleting is permanent .

Both suppressing and deleting items follows parent childrelationship. Suppressing items causes regeneration speed toincrease . Suppressed item is denoted by black square .


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Dynamic Edit and edit

Dynamic edit operation enables you to dynamically drag afeatures dimensions or its section entities.

-Features are regenerated in real time

-Child features regenerate in real time

In Edit operation features are not regenerated in real time .You need to edit and then regenerate .


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Direct Selection

Direct selection occurs when you place the mouse cursor over afeature or component and click to select .Use CTRL + Mouse click for multiple selectionUse SHIFT + Mouse click for selecting range of items.

Query Selection

Query selection enables selection of features , geometry orcomponents that are hidden beneath another item .


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Managing Files in Pro-e

Pro-e is a memory-based system , meaning that files are storedwithin RAM while you work on them.

There are 2 methods to erase models from session

1: File > manage session >Erase Current : Only the model inthe current window is erased from system memory .

2: File >manage session > Erase Not Displayed : Only erases

from system memory those models that are not found in anypro/e windows.

NOTE: Erasing models does not delete them from the harddrive , it only removes from session .


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Copying and Pasting Features

The copy and paste functionality enables you to quicklyduplicate a feature .

You can use paste special option to apply move and rotate

options to the resulting copied feature .


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Relations

Relations are user defined equations written betweendimensions and/or parameters . Relations let you expressdesign intent by defining relationships within sketches ,features , parts or assembly components .

Relation Uses :1> To define values for dimensions based on other dimensions .2> To set maximum or minimum constraints for dimensionvalues .

3> To describe conditional relationships ( ENDIF , ELSE )between dimensions .


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SKELETON MODELLING

Skeletons Skeletons are powerful tools that are used to createframework for an assembly design . They can serve as acommon reference source for geometry and assembling

components . Any changes to the skeleton will automaticallypropagated to the components that share skeleton geometry .


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TOP_DOWN APPROACH

In the top-down assembly design approach components arecreated inside the assembly module therefore no need to createseparate part files for the component .

This approach is completely different from bottom-upapproach where separate components are first created thenassembled by applying constraints .

NOTE : Even though components are created inside theassembly module they are saved as individual part files that canbe opened and used later .


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WHICH APPROACH IS BETTER TOP-DOWN APPROACHOR BOTTOM-UP ?

Adopting the top-down approach gives the user distinctiveadvantage of using the geometry of one component to definegeometry or other component . Here the construction and

assembly of component takes place simultaneously as a resultof this the user can view the development of assembly in realtime therefore this design approach is highly preferred .

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Deleting and suppressing, relations.pptx