If you can insert an axis the model is an exact cone.
Convert cone to sheet metal solidworks.
If you cannot insert an axis then the model is not an exact cone and cannot be unfolded.
When applying the insert bends feature located on the sheet metal toolbar or from the insert dropdown menu under sheet metal solidworks tells us a non linear edge at the seam of this cone is invalid.
When cleared the body is consumed by the convert to sheet metal feature.
Select a face as the fixed face for the sheet metal part.
As a test try to insert an axis on the conical face.
If you don t have the sheet metal tab open right click in the area where the 1 arrow points then click sheet metal.
Pick the a face that will be fixed plane of the flattened sheet.
Set the sheet thickness and default bend radius.
Under sheet metal parameters.
Convert to sheet metal.
Create the sheet metal part as a solid body in solidworks.
In the tutorial video we re presented with a cone designed with the revolve shell and cut extrude features.
Select keep body if you want to keep the solid body to use in another convert to sheet metal feature.
Solidworks convert to sheet metal cylinder.
This will make some of the more complex geometries easier to create and control.
This tutorial shows how to convert cylindrical hollow solid part to sheet metal cylinder.
The method you choose will depend on the state of the solid body and.
However sheet metal parts created with the lofted bends feature avoid this limitation and unfold appropriately.