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Help with flat pattern

Help with flat pattern

Help with flat pattern

(OP)
I am currently using NX 11 and have the advanced sheet metal (used to be advanced aerospace) license. I can't for the life of me figure out how to get this sheet metal part to flat pattern so I can pull that view into my drawing sheet. I know it has something to do with the joggle on the part. I have tried changing bend radii, joggle runout, and many other attributes. I have attached a sample part as an example.

Single/twin joggles on flanges and multiple joggles on c-channels that follow an OML are all very common in aerospace. However, it seems like NX has problems handling them. Not only am I having difficulty making a flat pattern of this model but I can't make another joggle along the same face as the current joggle. Am I missing something completely or is this due to limitations of the software? If that's the case then we may need to get some Catia licenses.

Let me know if you need any other info and I will be happy to respond.

RE: Help with flat pattern

I would say it's software limitation. In feature tree the Joggle gives already an alert: "Joggle topology created may not flatten blabla". Try a different way or contact GTAC. Same story in NX Continuous Release 1847/2400.

RE: Help with flat pattern

Can you show a picture of that joggle ?
I cannot open the file. I am only on NX10 here.

Jerry J.
UGV5-NX11

RE: Help with flat pattern

I tried it and didn't have any luck in V11 or V1847.

It looks like you will need to work around it with metaform or one step unform if you have the licence.



Dave
Automotive Tooling / Aircraft Tooling / Ground Support Structures

NX11, Win 10 Pro

RE: Help with flat pattern

@jerry1423

RE: Help with flat pattern

The flat pattern currently will not support joggles that are created on 'intermediate faces'; ie faces that have flanges either side. This is a limitation. Recommended current workflow is to either:
1. Create the flattened form without the joggle (The flat form is of course different without the joggle geometry however I'm not convinced it makes significant difference in practise?)

2. Use Forming/flattening tool from freeform tools
3. Use One-step or Metaform

Contact GTAC and raise an ER to add your requirement.

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