How do I convert this into a sheet metal part? Square to Round

zachreinke

https://cad.onshape.com/documents/b925241c5cd3d31c59eee883/w/8f3373565ec3c4cf331b8ca4/e/4d55ad61df43e5141feb1668

jakeramsley

Sheet metal parts need to be made from planar faces and I think with the geometry you have the faces aren't planar on the corners which will cause them to not be converted into sheet metal.  Is there a reason the square needs to be rounded?  If not, you could potentially make surfaces where two points on the circle go to one on the square, which will be planar, then when you do your sheet metal just thicken those faces and put the bends in.

NeilCooke

@zachreinke

Here is my model: https://cad.onshape.com/documents/4568b85540f412a1f22da289/w/cc3c3dd219f1c74a573057e6/e/7b22bfc4ec622f78c095a23e



The trick is to model the round side first, then on the square side, make the faceted corners parallel with their "circular" counterparts on the other side. This means that every bend will be flat which is how it would be in real life.

jakeramsley

Sheet metal parts need to be made from planar faces and I think with the geometry you have the faces aren't planar on the corners which will cause them to not be converted into sheet metal.  Is there a reason the square needs to be rounded?  If not, you could potentially make surfaces where two points on the circle go to one on the square, which will be planar, then when you do your sheet metal just thicken those faces and put the bends in.

NeilCooke

@zachreinke

Here is my model: https://cad.onshape.com/documents/4568b85540f412a1f22da289/w/cc3c3dd219f1c74a573057e6/e/7b22bfc4ec622f78c095a23e



The trick is to model the round side first, then on the square side, make the faceted corners parallel with their "circular" counterparts on the other side. This means that every bend will be flat which is how it would be in real life.

zachreinke

Thanks @NeilCooke and @jakeramsley! I see now that my models surfaces were not planar! Thanks for the help!!!!!!

zachreinke

Hey I just wanted to give @cody_armstrong and @NeilCooke a shout out and say that I'm promoting the heck out of onshape to student and faculty alike! I am a senior at Western Michigan University in Mechanical Engineering. I'm using onshape for my senior design project for design and to be used with matlab! By the time I'm done onshape might be a part of the curriculum for certain classes. Great job on a killer CAD platform!