How it is possible to model the spring start for a cavity as it is shown in image in solidworks.
I want to design the internal cavity of a spring the first spiral must me like the attached image. Spring' dimensions also provided to have an idea what I a looking for.
Thanks, It looks better but still not the same.
The "thread" also is cut, that planar face that is created from the cut does not exist in the pic.
I think the secret is to create the thread instant of "cutting" the spring.
I tried using several ways.
- To create the full thread profile - failed . ( the profile was intersecting and was unable to solve, the problem is that to sides of the thread profile must me tangent and same circle)
- I tried to create the thread, without the 0.8 dia and with the same helix to add the 0.8dia circle - failed (because they are tangential zero thickness geometrey. Also fillet or fillet fillet face for 0.4R didn't work)
- I tried to create the thread as surface and then cut from solid but also that didn't work.
If there is anyone that can do in an other (solid) software you are welcome to describe the procedure
PS. the cavity in the image was created in 3ds. I tried to read the STL data but the surface was too complex that a huge file was created.
I am sure that there is a solution out there .