Modelling a Nose Cone/Domed Surface in Solidworks. Part 2
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- Опубліковано 26 сер 2024
- This is an updated version of a much earlier tutorial, where I cover a technique that can be used to create nose cones/domes or to cap off a cylindrical form smoothly. This technique uses boundary surfaces and trims, so only 4 sided surfaces are used. One of the reasons for using this technique is to avoid using two-sided surfaces, where the other two sides/edges are collapsed into a singularity or degenerate edge.
You can view the old video here
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Andrew, I wish you and your family a wonderful 2024, full of health, happiness, achievements and accomplishments! Thank you for so many lessons! A big hug of gratitude!
Thanks! Hope you have a good 2024!
Nice update and thanks for the original video which I reverse engineered for my studies with Alias earlier this year
Good stuff, did it go ok in Alias?
Yes thanks at the time I was getting my head around problems like wing tips nose cones in my case I’d roughed out a Boeing type nose working through pointy objects and 4 sides patches - will be turning my attention to SW in 24 time permitting
Always my go to for Solid works surfacing advice! I was wondering how you might attack a Logitech MX master mouse, I know design partners did a lot of the work for it and was curious what software they might have used when working on it. Cheers for the great videos
Hi Ollie, not sure how I'd approach that mouse off the top of my head. DesignPartners (now PA Consulting Ireland) did use Creo but I know they also use SW as well but suspect Logitech is still Creo. Thanks for watching!
Thank you again for sharing that knowledge !
All good!
Hi Andrew, such a great surfacing content in sw.
Many thanks for sharing
All good Vincent.
Nice tutorial 👍
Thank you 👍
Great video. Thks
All good 👍
I find that this technique only works (in terms of achieving good surface continuity) if the sides of the nose cone are perpendicular to the right plane. As soon as I add draft (3 degrees) the surface continuity falls over completely. Perhaps I am doing something wrong here? Anyone else had this experience? I'm going to try and add a ribbon surface to assist with tangency/3-degrees and see what results I get. But I find that this technique is a struggle in a lot of CAD packages when you add draft.
That is strange. I use this technique frequently to cap off corners and other areas where the primary surfaces leave a 2/3 sided hole. Here's a few videos where I have used this technique, except with a G0 boundary (same as the G1 centre line boundary the RH plane you mention in the nose cone). I guess the difference is in these videos, I do not use a ribbon to explicity define a draft angle on the G0 boundary.
ua-cam.com/video/mC2uhPYScY8/v-deo.htmlsi=hbTqTQocL5-ASEKW
ua-cam.com/video/yontOO7J3Io/v-deo.htmlsi=NLhpusdbq2Lr5zBq
Ruled surface can be used to make a ribbon, but sometimes the result can be a little average. I've had some success using an extruded 3D sketch (with draft) to make a ribbon surface, or if you don't mind a little variation in the draft, a loft, using two profile curves made in a 3D sketch, tangent to the relevant geometry, then a single edge/curve as the guide.
If you are using a boundary surface to make the final patch surface, try playing around with the tangent influence a bit, as some times having 100% in the first direction and 0% in the second direction works, or vice versa where that creates ripples near the boundary.
Can you try modelling the apple magic mouse?
That's in my 'product forms' playlist. Modelled it a few years ago.
ua-cam.com/play/PLqWNlz5iPnK-g8xhSPfiJ3qaFneoplmIU.html
Also modelled it in Rhino, there's an over view in my Rhino playlist.