Attach your *.sldprt file here if you have trouble figuring out how to do a Revolve-Cut.
Basically the fan im trying to 3D has this concave "E" dimension that in dont know how to add i try the Dome and also Chamfer but this is not what i nee
What version of SolidWorks are you using?
Attach the *.sldprt file here of what you have completed so far.
The concave face in your rough image does not appear to be a dome. I would sketch it and create a revolve-cut, exactly as others have suggested. Dome only creates a uniformly transitioned depression or bulge. Image shows a straight line vertical between C and E dimensions.
Enrique Morquecho wrote: Basically the fan im trying to 3D has this concave "E" dimension that in dont know how to add i try the Dome and also Chamfer but this is not what i nee
Enrique Morquecho wrote:
Now that I see this image, another workflow would be to model the central cylinder and then an impeller blade with the curvature on top and bottom as this looks symmetrical.
Pattern the impeller blade and then model the intermediate section between two blades using convert entities and offset entities. Pattern this infill section, too.
Do you really need the concave?
Looks like they didn't pour enough material and it shrink.
Another way to do this is with the Dome command. All you'd have to do is reverse its direction and it will create a cut instead of additional material.
One thing to be careful with when using this tool, however, is that it accepts a whole circular (EDIT: or elliptical) Face as an input selection, not an offset condition as I see in your photo. It also does not accept a circular sketch upon that circular face. You can get what you show us by one of the two following workflows:
1) Build the dished part first, then add the other material around it.
2) (assuming you have the rest already modeled) Sketch your offset circle upon the face and apply a Split Line (available under Curves) to split the face into a smaller circle, then use that face as the input for the reverse Dome.
A Cut-Revolve can provide you more control and variations of end conditions and relations and variables in dimensions.
A Dome, reversed, is fast and easy.
PS: Welcome to the Forum! I do advise reading the FAQ as it is entirely helpful.
I just played around with Dome command a bit more. Apparently, it'll take any shape of face. It deforms and adapts automatically to the face selected. Still, it uses the entire face.
..as suggested above,.. add the dome profile to your revolve or cut? (image/file)
Why not incorporate the curved underbelly into the sketch of a revolved boss?
Add an impeller fin and pattern.
Retrieving data ...