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# Inventor - Additional Modelling Tools_110609 - First-Year...

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First-Year Engineering Program P. 1 Computer-Aided Design  (CAD) Additional Modeling Tools  Inventor ®  2010

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First-Year Engineering Program P. 2 Agenda Create a U-Bracket to illustrate: Use of  coordinate planes . Inventor's English part and Metric part  coordinate systems. Starting a part  with a different sketch  plane   than the default. Project geometry . Dimensioning from the coordinate axes. Referencing existing part edges that are  not in the sketch plane.
First-Year Engineering Program P. 3 The U-Bracket You'll produce this as an in- class exercise. All of the information you need is in these slides. You don’t need to use the book. What order would you use to create these features? What if you want to start with a sketch from the top view, not the default front view for English parts?

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First-Year Engineering Program Make a Plan -added slide P. 4 Note symmetry about XY and YZ planes Looks like, if we created our object's arch using the X-Y plane, that it might be simpler! Observe that centering the base on the CENTER POINT (CP) in the X-Z plane would allow convenient use of the XY and YZ plane CP
First-Year Engineering Program CP Make a Plan -added slide   P. 5 1. So we delete the default X-Y sketch plane and make our initial sketch using the X-Z plane with our base centered on the CP using Project Geometry 2. Then, based on the X-Y plane we sketch and extrude the arch 3. Make 2 cuts and we are done! Make rounds using "fillet" tool

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First-Year Engineering Program P. 6 Inventor's Coordinate Systems We're going start with the base of the  bracket by making the initial sketch from  the top view.
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Inventor - Additional Modelling Tools_110609 - First-Year...

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