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(Part file attached) Need some help with curve & patch creation

Solution Partner Genius Solution Partner Genius
Solution Partner Genius

Hello all!

 

I need some suggestions to patch a corner (where edge blend isn't working).

 

This is what I am doing to get the surface patch:

- TOP GUIDE CURVE: Bridge curve for the top section curve (slighly offset from the original points).

- PRIMARY CURVE: Isoparametric curve for the immediate previous and next blend.

- BOTTOM GUIDE CURVE: Create some points (with the help of 'point on curve') and then create a 'curve on surface' (this is the actual time consuming section. I have to specify each of the points for the 'curve on surface', and for that, I have to go to point dialog box inside the curve on surface dialog, select existing point, and then select the previously created points. I dont even understand why it can't remember my selection of 'exisiting point' & goes back to inferred evertime.) This process itself takes so much time. I have to close and reopen the dialog box again and again for new points. Isn't it possible to just continuously specify the points? I'm probably asking for too much.

- Through curve mesh: To create the surface.

- Patch: To patch the surface.

 

Any suggestions, no matter how small, are welcome.

 

P.S. I know it's difficult with this explanation, so I'll upload an image.

 

EDIT 1: This is how the corner actually looks like. I hope you guys get the idea.

Surface.JPG

 

Regards

Paras

Paras Raina
Sr. Application Engineer | Solid Edge ST10 | NX 11
MSC Systems Pvt. Ltd. (India)
15 REPLIES

Re: Need some help with curve & patch creation

Phenom
Phenom

Have you just tried "Fill Surface" command?

https://community.plm.automation.siemens.com/t5/NX-Design-Forum/trouble-with-surfacing/m-p/447230#M1...

Michael Fernando


Die Designer
NX 11.0.2.7 + PDW

Re: Need some help with curve & patch creation

Solution Partner Genius Solution Partner Genius
Solution Partner Genius
Fill Surface can help me create the surface instead of Through curve mesh, but the real pain is to create those curves around the corner.
Alternatives for 'curve on surface' would be very much helpful.
Paras Raina
Sr. Application Engineer | Solid Edge ST10 | NX 11
MSC Systems Pvt. Ltd. (India)

Re: Need some help with curve & patch creation

Gears Honored Contributor Gears Honored Contributor
Gears Honored Contributor

You do not have to go into the point creation tool for each existing point. When you get to the "specify point" section, turn on the "existing point" option in your snaps and turn off the rest; now you can easily select existing points.

 

curveonsurface.PNG

Re: Need some help with curve & patch creation

Phenom
Phenom

Why don't you upload a sample part so we could have a look?

Michael Fernando


Die Designer
NX 11.0.2.7 + PDW

Re: Need some help with curve & patch creation

Solution Partner Genius Solution Partner Genius
Solution Partner Genius

cowski1 wrote:

You do not have to go into the point creation tool for each existing point. When you get to the "specify point" section, turn on the "existing point" option in your snaps and turn off the rest; now you can easily select existing points.

 

curveonsurface.PNG



Those little buttons are very sneaky. Thank you very much.

Paras Raina
Sr. Application Engineer | Solid Edge ST10 | NX 11
MSC Systems Pvt. Ltd. (India)

Re: Need some help with curve & patch creation

Solution Partner Genius Solution Partner Genius
Solution Partner Genius

I can't upload the part file because of certain of reasons, but I have attached an image.

Will create something similar and upload it later.


mike_fdo wrote:

Why don't you upload a sample part so we could have a look?


 

Paras Raina
Sr. Application Engineer | Solid Edge ST10 | NX 11
MSC Systems Pvt. Ltd. (India)

Re: Need some help with curve & patch creation

Phenom
Phenom

I would use two Bridge Curves or construct sketches and Use "Trim Sheet" command to create an opening. Then use Fill Surface command. 

Michael Fernando


Die Designer
NX 11.0.2.7 + PDW

Re: Need some help with curve & patch creation

Solution Partner Genius Solution Partner Genius
Solution Partner Genius

mike_fdo wrote:

I would use two Bridge Curves or construct sketches and Use "Trim Sheet" command to create an opening. Then use Fill Surface command. 


Sounds good but two bridge curves will create something very similar to normal blend.

What I'm looking for is this.Surface 1.JPG

 

 

 

Paras Raina
Sr. Application Engineer | Solid Edge ST10 | NX 11
MSC Systems Pvt. Ltd. (India)

Re: Need some help with curve & patch creation

Phenom
Phenom

Did you consider Trim conditions/Directions?

 

Without a sample part, it's difficult to see what you really want!

Michael Fernando


Die Designer
NX 11.0.2.7 + PDW