Creo Parametric: Variable Section Sweeps - Part 2: Section Orientation Control

let's continue our discussion of variable section sweeps by covering section orientation control to examine this topic I'm going to use a very simple model again so I have this part it's got a sketch that is just an arc and I've also got an additional datum plane that's located at an angle to create the sweep click on the command in the ribbon and from the references tab we need to select our trajectory we can see the start is over on this end I'm gonna click on the pink arrow to change the start of it and let's create our sketch and for this one just gonna create a rectangle located at the center and I'm not even gonna change the dimensions I'm gonna hold down the right mouse button and from the pop-up menu click the checkmark to get out of here and so you can see our feature that is being created and the section is being created normal to the trajectory or perpendicular to the trajectory at every point along our spine along our origin curve and that's the default and so if you go to the references tab you can see under section plane control that we have normal to trajectory and I want to point out that these options for section plane control are aveiro available for both simple constant section sweeps as well as variable section sweeps and there are two other options in here normal to projection and constant normal direction I use constant normal Direction a lot and I actually think they should change the name I think that they should call it constant parallel direction because when you choose this you're going to pick something for the direction reference and the section is going to be parallel to whatever you select at every point along the length of the trajectory I'm going to select my default datum plane called right and now you can see that here have every section if you go along each point on the trajectory is parallel to the reference that I selected let me show you the difference again normal to trajectory you can see at our start our section is perpendicular to the trajectory and it continues through here over to the end let me go to a front view so again there is normal to trajectory from the drop-down list let's change back to constant normal direction and here's my reference datum plane right again every section along here is parallel to the reference that I selected there is a third option available in here this was added probably about a dozen years ago and it's normal to projection it's normal to the projection of your origin trajectory on some other surface or some other planar surface and so I'm going to select as my direction reference the datum plane DTM one and here you can see the shape changes to that if you imagine taking this trajectory and projecting it on to the datum plane called DTM one now the section at every point along here is being normal to the projection of the trajectory onto this surface again I've never had a cause to use this option I've always asked other users hey do you use normal to projection what are your use cases for it if you have a use case for normal to projection please let me know in the comments section but again probably the one that I find the most useful in different situations is that constant normal direction to make the sections parallel to some other reference other than the trajectory especially when you have a trajectory that is three dimensional that's changing direction a lot I hope you enjoyed this video for more information please visit WWE windchill calm if you like this video please give it a thumbs up and click the subscribe button to be informed when new videos are uploaded thank you very much

Channel: Creo Parametric

Views: 2,809

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Id: j2wJqDEDQjo

Length: 4min 34sec (274 seconds)

Published: Sun Mar 31 2019