cut Helical groove

[mmistry]

Can someone help I am trying to cut helical groove as per drawing.  groove design is as per section (A-A) but an angle.  please see attached drawing. 

[LT.Rusty]

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@Anonymous wrote:

see attached.

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Interesting solution.

I think you're doing a little more work here than you really need to do, though.  Also, sketch 1 is not fully constrained ...  One other thing to note is that your helical profiles have a slight undercut at the edges, from where the circle starts to dip back in.  This may or may not be actually manufacturable, depending on your available tooling.  It doesn't quite match the drawing though.  (Of course, the part doesn't quite match the drawing either, so it may in fact be correct and I'd never be able to tell!  🙂  )