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Hole axes from thickened quilt

IbrahimTayyab
12-Amethyst

Hole axes from thickened quilt

Hello,
I am attempting to create three holes in the thickened version of a quilt. The most reliable method I have found is by trimming the quilt as shown below however this results in no hole axis being formed making subsequent work on it harder. 

IbrahimTayyab_0-1689343281794.png

I was having difficulty created holes using the hole tool because of the rounded geometry and the breaks in the surface.

IbrahimTayyab_1-1689343536864.png

 

What would be a reliable way to

a) Get hole axes when creating objects this way (ie thickening trimmed quilts)?

b) Place holes on a surface such as this? 

 

The quilt is made by wrapping a sketch on cylinder on creo paramteric 9.0 student version.

ACCEPTED SOLUTION

Accepted Solutions


@IbrahimTayyab wrote:

I have created a section of a cylinder by using sketch, wrapping said sketch onto the cylinder and then using boundary blend to create a quilt. Removing the cylinder and then thickening said quilt. This thickened section has broken surfaces and the hole interface looks like this.

IbrahimTayyab_0-1689345251552.png

 

I have attached the file below for reference.

 

 

 


Hi,

probably you created geometry which is not cylindrical. In my test model I was successful. See video.


Martin Hanák

View solution in original post

13 REPLIES 13

Does the hole axis need to be through the vertical axis of the wrap?

 

Could you create a plane offset just outside (or inside) of the quilt and extrude your hole from that?

 

Repeat this for the other two holes?

I am not sure I follow, I understand the axes would look like this, creating planes would be quite hard would it not? I am somewhat new to creo, I would appreciate it if you could maybe break it down further?

IbrahimTayyab_1-1689345969479.png

 

Here is a video for creating a hole on a cylinder. You can choose your own references to place a point on the cylinder to match your design intent. This is just an example of how to do it. Note that the axis is included when the hole is created. The hole axis is normal to the cylinder surface.

 

You need to be aware that Creo splits cylinders in half, if a feature straddles or moves across the split then this can cause regeneration issues.

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

Oh that is quite interesting, I never realised I could have thickened the sketch using the extrude tool instead of extruding again to remove material in order to create a tube. Thank you very much for that.  Thank you very much for the tutorial it certainly helped me a lot.

 

Hi,

you can create hole on cylindrical surface.

MartinHanak_0-1689344463577.png

51.96 is distance from top plane surface.


Martin Hanák

I have created a section of a cylinder by using sketch, wrapping said sketch onto the cylinder and then using boundary blend to create a quilt. Removing the cylinder and then thickening said quilt. This thickened section has broken surfaces and the hole interface looks like this.

IbrahimTayyab_0-1689345251552.png

 

I have attached the file below for reference.

 

 

 

Thanks for attaching the files, but since you are on a student version of the software. Most of us on this board cannot open your files.

Ah that's a shame, I realised I couldn't open commercial creo versioned files, I didn't realise it worked vice versa. Would it work if I instead uploaded it as a dxf file?


@IbrahimTayyab wrote:

I have created a section of a cylinder by using sketch, wrapping said sketch onto the cylinder and then using boundary blend to create a quilt. Removing the cylinder and then thickening said quilt. This thickened section has broken surfaces and the hole interface looks like this.

IbrahimTayyab_0-1689345251552.png

 

I have attached the file below for reference.

 

 

 


Hi,

probably you created geometry which is not cylindrical. In my test model I was successful. See video.


Martin Hanák
tbraxton
22-Sapphire I
(To:MartinHanak)

You used a boundary blend created from wrap feature geometry. @MartinHanak is likely correct in that you are not working on a cylinder.

 

The isoparms in your model are a telltale sign of the surface not being a cylinder. These isoparms will not be present on a cylindrical surface in Creo. I am not able to definitively assess your geometry (education license) but I am pretty sure this is the issue.

tbraxton_0-1689348842144.png

 

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

I was blindly testing ways to create the features not sure on what the correct way to do so is, certainly Martins video has been eye-opening. I never realised the lines were indicative of it not being cylindrical, I appreciate you taking out the time to explain this and your previous video was extremely helpful as well.

Best wishes,
Ibrahim Tayyab

Ah, that is certainly possible I am not proficient and your method of creating the feature definitely seems better. Thank you for your time and effort.

After reviewing tbraxton and your answer I realised I could use the cylinder I had used as the wrap reference to create the holes in the thickened quilt and only just now understood your answer. Thanks a lot!

IbrahimTayyab_2-1689350298373.png

 

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