I haven't tried it, but if I needed a barrel cam, I think the approach I
would take is a loft with rails. Seems likely that using that method it
would be possible to coerce the profile into rotating as it should along the
path.
~Larry
"W. Holzwarth" wrote in message
news:83E50F66DACC4148EC8CB339B6C73509@in.WebX.maYIadrTaRb...
> Hi again, Larry and Dave
>
> I went into my task with the knowledge of Charles Bliss' barrel cam, but I
> think it has the same difficulty. In Charles' example it was not obvious,
> because the depth of the groove was not much. Only near looking could show
> the problem, that's behind the Emboss thing there.
>
> But it's somehow interesting. Thanks to you, Dave, Larry and Japper for
your
> inputs.
> I'm still looking for myself, too, as it's mainly my thing to solve
>
> Walter
>
>
>
> "Larry Caldwell" schrieb im Newsbeitrag
> news:2A2145EB2F6587C2BCA38E27B7B5BE50@in.WebX.maYIadrTaRb...
> > Yeah ... I think the problem is that the sketch profile doesn't rotate
> along
> > the path. If you split a sweep like that where it curves you can see the
> > walls aren't parallel. Charles posted a barrel cam a long time back, but
I
> > don't know if it's still retrievable.
> > ~Larry
> >
> > "Dave J" wrote in message
> > news:BB32CAB563C80C881A045AB6DF6CE91D@in.WebX.maYIadrTaRb...
> > > Well, I was trying to help W. Holzwarth with the "Barrel Groove with
> > Emboss
> > > tool" problem (see this group and CF). I figured if I could sweep a
hole
> > feature
> > > or cylindrical surface along a 3d sketch path, I could accurately cut
> the
> > groove
> > > he wants. But I don't think that's possible, is it? Then I was
thinking
> I
> > could
> > > make a section of coil as the part of the cam slot that goes around
the
> > radius,
> > > with a standard extrusion to make the straight section. Except I can't
> > figure
> > > out how to connect them. The edges don't meet-up exactly, so I can't
> > fillet.
> > >
> > > --
> > > Dave Jacquemotte
> > > davej@autoconcorp.com
> > >
> > >
> > > "Larry Caldwell" wrote in message
> > > news:09B01FBB9839F037D87A7DE99EDC0822@in.WebX.maYIadrTaRb...
> > > > You can loft face to face but you need a sketch and path for a
sweep.
> > You
> > > > can extrude/loft a surface from a line/lines resp. As far as lofting
> > > > features, an extrusion face will loft but I don't think a hole will
> loft
> > to
> > > > a face but you could loft a surface from a hole. Might help if
you
> > > > elaborated somewhat on what you're trying to do.
> > > > ~Larry
> > > >
> > > > "Dave J" wrote in message
> > > > news:FC7E1306A9BF4183F4362E63DC492989@in.WebX.maYIadrTaRb...
> > > > > Is it possible to sweep or loft a feature or part (or surface?)?
Or
> > are
> > > > they
> > > > > limited to sketches? I'm trying to represent a cutter path on a
part
> > with
> > > > > different z-coords.
> > > > >
> > > > > --
> > > > > Dave Jacquemotte
> > > > > davej@autoconcorp.com
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>