Quote:
Originally Posted by AdamHeard
That's what I did for the 1.625, 3 and 4 inch ones seen on banebots/robotmarketplace. I can appreciate thoroughness in CAD, but really all that matters is the OD and the width in terms of the design. An exact model isn't going to really help at all. Now, to completely contradict myself.... I did do some work on the models to make them match the shape (slight taper on the tread, groove between hub and outer surface, etc..) pretty close for cosmetic reasons.
But, c'mon. You're Craig Hickman.... You'll end up with a perfect model one way or another.
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Really only matters when you plan to FEM, not sure if you have to do that or not but it could be important. I've not really worked too much with FEM in Inventor, but of course the shape matters then for stress concentrations and what not. Otherwise like you said cylinders could work out just fine.