Revolving a sketch around a cone

[sstephe1622]

See attached screen shot. 

The customer wants a sine wave engraved around a cone.  I can draw the sign wave fine.  I can project it to the surface, but is there a way to revolve the projected sketch around the cone parametrically so as I adjust the frequency of the sine wave to get the ends to match.  My clumsy solution so far has been to create one projected sketch, then to create a trace tool path.  Then using pattern to complete to revolve.  

But this gets tedious quickly.  As with each adjustment of frequency, I then have to go back into trace and re-select the lines again.

[TheCADWhisperer]

Can you File>Export your *.f3d file to your local drive and then Attach it here to a Reply?

[MichaelT_123]

Hi Mr SStephe1622,

Revolving a sketch around is a typical problem involving a transfer of a flat design onto a cylindrical (or revolving) shape', with a successive step of manufacturing as the outcome.

One has to take into account how the manufacturing process works in such situations.  In simple term X-coordinate of a flat design is converted on the fly onto the rotational angle of a target. In the vast majority of cases, it is done by a machine's controller. It is trivial!

What you try to accomplish would generally be vastly too complicated for a manufacturing stage.

The whole process as a whole can only be compared into a re-packing banana with a skin inside-out in order to break into it with a sledgehammer. So it is not trivial!  Well, I can be wrong; it might be not the only comparison describing the case 😏.

Having said that, F360 does not offer such a technique for sketch processing. Canvas features might provide you with some substitute for visualizing purposes. People having relevant experience might point you to Sheet Metal functionalities also.

I would suggest re-post your dilemma on Manufacturing Forum and deepen the discussion with laser operators there.

Regards

MichaelT

[sstephe1622]

Customer file.  They frown on that. Let me see if I can create a blank version.

[sstephe1622]

Here is a stripped model

[etfrench]

I think you'll find whenever the model changes, the toolpaths will need to be reselected.

When you run the Manufacturing simulator with your current toolpaths, you'll find the cut is not continuous. 

[TrippyLighting]

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@sstephe1622 wrote:

But this gets tedious quickly.  As with each adjustment of frequency, I then have to go back into trace and re-select the lines again.

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That is only the case because you are working with imported geometry, but failed to enable the timeline 🙂

[sstephe1622]

No, there is a time lime. I stripped all the internal details and timeline out of the model so I could share it.  Customers are not very understanding when it comes to there IP.

But the question remains trying to wrap the complete pattern around the model failed.  I did try that.  Is there a way to revolve a sketch.  Maintaining it's link to the original sketch so as I made changes to width to get the ends to match the whole pattern adjusts. 

Or is there a way to flowalong surface like Rhino3d?

http://docs.mcneel.com/rhino/5/help/en-us/commands/flowalongsrf.htm

I can draw the whole pattern flat, but

[etfrench]

Try using the Sheet Metal workspace: