SchmidtMotorWorks wrote: ↑Wed Nov 07, 2018 11:19 pm
This is the base surface of a port (before guide boss and other details are added.
The base surface is one single face created without guide or section curves in NX.
(I modified this surface to show here, I never show clients work or identities)
port_1.jpg
Here you can see the UV grid curves on the surface, these enable you see the parameterization of the surface. Ideally the UV curves will flow smoothly and with shape that follows the flow direction and curvature change.
port_2.jpg
The curves in this images below show the reflection of the lines that would occur if the port were in a spherical room with stripes on the walls. The shape of the curves tell you about the curvature of the surfaces and help the designer to see inflections (unwanted reversals in curvature). These are the same tools used to design automotive body surfaces.
Generally, when I create a surface based on a port scan, I make it close to the scan until the lumps in the shape become evident, then I use the CAD tools to make a high quality smooth shape that isn't possible inside a port with revolving tool.
port_3.jpg
port_4.jpg
This is a reflection of a beach sunset, you can reflect any image that you choose.
port_5.jpg
These are some of the controls for the surface shape.
These controls enable 1,000's of times more control over the shape than section and guide curve controlled surfaces.
port_6.jpg
Here is a video showing the reflections in rotation.
There are many other tools involved in evaluating and adjusting shape.
https://www.youtube.com/watch?v=ZdMz5rV ... e=youtu.be
In the big picture, to do effective work, it is ideal if you can use one software that can do all of the following tasks, using the same files without translation so that any change made to the design files is associatively updated to the downstream processes.
If you do them with care, you can reuse a finished project as a foundation to the next project and add refinement in each cycle. Frankly, if you don't do associative reuse, you won't be competitive or have time to do excellent work.
Design
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