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Creo Parametric Tips

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06 - Multibody –How to display a body parameter in the model tree

Hello everyone and welcome to blog post #6 in this multibody blog series.   I got asked recently : How can I display a user-defined body parameter in the model tree? If you are interested in that as well, here is how you do it. Let’s walk through an example step-by-step.   Step 1) Let’s assign a body parameter (and let’s call it for example “MY_BODY_PARAM”)   Step 2) Open the Model Tree Columns display dialog   Step 3) Select the Type: Body Params     Step 4) You might notice that the list shows system parameters related to bodies (e.g. PTC_ASSIGNED_MATERIAL), but not the newly added user-defined parameter  Step 5) Manually enter the user-defined-parameter (in our example “MY_BODY_PARAM”) into the Name field     and click the double-arrow to move it into the displayed columns     Step 6) Click “OK” and ensure model tree columns are displayed. Now you should be able to see your body parameters as part of the displayed model tree columns   q.e.d. 🙂  I hope that helped.   Back to Creo 7.0 Multibody Home: Start Here!   Enjoy!....Martin
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mneumueller
17-Peridot
Oct 14, 2020

02 - Multibody – 7x 90seconds Tipps & Tricks around Booleans & Split

Blog Post 2-    Hello everyone,   I thought you might be interested in some quick tipps and tricks around Boolean and Split operation for bodies. If you are, then enjoy the following seven 90sec Titbids on these body operations. Enjoy!...Martin   (view in My Videos)   Back to Creo 7.0 Multibody Home: Start Here!
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mneumueller
17-Peridot
May 29, 2020

Creo "What's New in Creo 11" Tips & Techniques Session Recording (West Coast)

Check out this video on Creo "What's New in Creo 11" from PTC Application Engineers Presenters: Lino Tozzi (Solution Consultant, Fellow) and Ryan Butcher (Solution Consultant, Fellow) Original Date Presented: May 21, 2024   To dive deeper into the subject, check out Creo "What's New in Creo 11".  
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RyanL.Butcher
12-Amethyst
May 24, 2024

Multibody - How to create a body intersection curve and what might it be good for?

  Hello everyone and welcome to blog post #14 in this multibody blog series.   Today’s blog is about the use of the “Intersect” Feature to create the intersection curve between two bodies (or quilts) You might remember that Creo 7.0 introduced Boolean Operations to perform merge, subtract and intersect operations between bodies. These operations act upon a “target” body which is modified during the Boolean operation. The resulting object there is still a body. In order to create an intersection curve, we therefore cannot use the Body Boolean operations feature, but will use the “Intersect” feature within the “Editing” group.   Starting with Creo 7.0, this “Intersect” feature allows to select bodies as references. In this first example, we select Body 1 (yellow box) and Body  (grey cylinder) and get the full intersection curve as a result. This is illustrated in the image below. (Result is shown in small overlay image)   Note that you could also select just a single body in combination with one or multiple surfaces to get a partial intersection curve. In the example illustrated below we create the intersection curve based on a selection of the grey body 2 and 2 selected (red) surfaces of the yellow body 1.   Finally, what could this intersection curve be used for? Intersection curves allow for a fast creation of a quilt representing the surface contours that are covered by the intersection (in particular for closed curves). You can for example use the curve generated in the first example as input to create a designated area. The image below shows the “Designated Area” feature with the closed intersection curve as input when placed on the yellow Body 1. The resulting quilt is illustrated in the small additional image.   Starting with Creo 9.0 and higher you can also divide/split these surfaces based on those curves. Watch the video below to see an example use case of this. And as I was at video creation, I thought I could also re-emphasize the usage of Body visibility controls The usage of intent surfaces created by features such as “Divide Surface” and “Boolean Operations”     Thanks for reading.  I hope it was informative. If you liked it, give it a Kudo.   Back to Creo Parametric- Multibody Home: Start Here!   Enjoy!....Martin
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mneumueller
17-Peridot
May 30, 2023

Multibody – A Geometry Re-use Use Case that became possible with new capabilities in Creo 10.0

Hello everyone and welcome to blog post #20 in this multibody blog series.   Today’s blog is about illustrating a use case around geometry re-use that became enabled with the new appearance (and reference) propagations in Creo 10.0’s Body Boolean and Split Body features.  (see Multibody: Appearance and Reference Propagation for Boolean Operations (ptc.com) )  In essence we added two new options to Body Booleans as shown in the image below.   Those options allow you to control color propagation and reference propagation. That means for the below example, that when you subtract the orange and white bodies from the green eyelet part, we can propagate the color to the corresponding mating cut faces, and transfer references from the original to the new surfaces, so that for the attached annotations automatically move to the cut surfaces.       So, what is this good for? An example use case for this might be a scenario where you have standardized cut-outs for a connector where you model the cut-outs as fully detailed and annotated bodies in a library part.   These bodies will then be inserted along with their annotations into the connector part where we then subtract and pattern them. During the subtract operation we can then not only create the target cut-out geometry, but also have the colors and the annotation references be transferred to the cut-out surfaces. All the sematic references of these annotations would thus continue to show in a semantic query for selected annotations. Here you see a video illustrating the workflow for the above example in Creo 10.0     Thanks for reading.  I hope it was informative and this is a valuable use case for you. If you liked it, give it a Kudo.   Back to Creo Parametric - Multibody Home: Start Here!   Enjoy!....Martin
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mneumueller
17-Peridot
May 30, 2023

Multibody - External Copy Geometry (ECG) and body attribute propagation

Hi all, as this came up in several threads, let me add a consolidated post here referring to  External Copy Geometry (ECG) and body attribute propagation. The questions here are mostly related to the logic of the propagation options for bodies (and also other objects)   Note that the ECG has settings within its option panel to control the propagation of parameters. This includes several aspects ranging from appearances to body names and more, and it also includes an option to propagate the construction body attribute. It also depends on whether an external body/or bodies are added "as is" or being merged into the existing body in the part. Here is how the options look like:   Some questions had been raised for example about how the construction yes/no option works when a body is brought via ECG from a source model to a target model, initially with that option checked and then unchecked during Edit-Definition of the ECG.   The answer to that is that this option is a logical toggle that allows to control whether the status/attribute from the source should be propagated to the target. If you "uncheck" it, the "construction" body attribute/status will no longer be propagated to the target. That means an update of the ECG will no longer force an update of the construction attribute in the target body.  That means the target body will stay a construction body (simply because that is its current state  and no update is forcing the body to change that status.) If you do a right-menu action on the body to "Unset construction body" status, then the body should become a regular solid body and should no longer change to construction during an ECG update. The publications team is currently working to provide additional explanations to the behavior into the online help sections. You should see that in the upcoming maintenance releases.   Back to Creo 7.0/8.0++ Multibody Home: Start Here!
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mneumueller
17-Peridot
Sep 30, 2022

Creo Multi-Body Design Tips & Techniques Session Recording (East Coast)

Check out this video on Multi-Body Design from PTC Application Engineers! Presenters:  Lino Tozzi (Technical Specialist, Fellow) and Ryan Butcher (Technical Specialist, Fellow)     (view in My Videos)       To dive deeper into the subject, check out PTC University.
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Dayna_M
12-Amethyst
Jul 26, 2021