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assembly not allowed

Can someone here please tell me why Solidworks 19 will not allow me
to mate these two surfaces. I am a newcomer to Solidworks.
I enclose an explanation image, this Forum will not allow the Solidworks file.
Thank you,
infidel660Mate.jpg
 

cadasio

Member
Are they planar? A quick test is to try and start a new 2D sketch on the surfaces. If you can't, they are not flat, which I would guess is the problem
 
Thank you for your response.
I made a 2D drawing in autocad of the perimeter of that surface, I then imported it into
Solidworks and revolved it to 36 degrees. My object here is to assemble 10 36 degree wedges to form a complete circle
as the image I have attached.
I would think that the surface would be flat.
 

Attachments

cadasio

Member
If they are flat then I would expect you to be able to mate them. Can you take a screenshot of what happens when you try to mate them?
 

cadasio

Member
I think I'm missing something here, as from the screenshots that looks as though it has managed to mate, albeit it's the wrong faces. I cant see how it is possible to get in that position if you chose the faces you initially mentioned in your very first post. - just from those screenshots it looks like the wrong faces have been chosen....could you try zipping up the parts and attaching them here?
 

cadasio

Member
I don't have access right this second to your version of SW, so I had to import it as a Parasolid - but the geometry should be the same. It mated find for me no problems.

mating.gif

So not sure why this is causing you issues. Looking at what you are ultimately after I would just do a circular component pattern which would save you mating anyway
 

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