Stitching Issues............still!

Stitching Issues............still!

Anonymous
Not applicable
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Message 1 of 4

Stitching Issues............still!

Anonymous
Not applicable

Hi Guys,

 

Please could someone help me I have been sent this model of a hydraulic pump with the dreaded unstitched bodies. I have been going through and stitching manually but there are 3 bodies that just will not stitch no matter what I try, mainly the end cap of the pump. I need it to be stitched so it isnt invisible when I raise a 2d drawing, so frustrating.

 

http://a360.co/1zxi7yB

 

stitch.png

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Message 2 of 4

jeff_strater
Community Manager
Community Manager

I'll take a look at the model, and see if I can tell what the stitching problem is.  Thanks for posting it.

 

Jeff Strater (Fusion development)

 


Jeff Strater
Engineering Director
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Message 3 of 4

jeff_strater
Community Manager
Community Manager

Thanks again for sharing this data.

 

First, I have a question:  where did this data come from?  What product, and what format was used to import it to Fusion?  Can you share the source neutral (STEP/IGES) file?

 

Second:  I don't think that this is a Stitch problem, per se.  I think that some of the data is bad - whether it was bad in the input data or became bad on import is not yet clear.

 

I tracked down the problems to 3 bodies.  All are in the component  "043745;2,NMS-RELEASE-00XXXX-000XXX" underneath "G - Endcap"

 

bad imported data 1.png

 

bad imported data 2.png

 

The first problem is this body:

bad imported data 3a.png

 

As near as I can tell, this is an open surface body, there is no thickness to it.  Stitch is not going to help you here.  Thicken, however, will work.  I don't know if there is some missing data, or what...

bad imported data 3.png

specify a thickness here and it will turn it into a solid.

 

The second problem body is this one (Body9):

bad imported data 4.png

 

this is a very strange body.  The different colors here are showing that the surface normals  are not consistent, within the same body.  it's not clear whether this was in the input data or somehow Fusion has flipped them.  I spent a long time trying to get the normals correct (using Unstitch and then Reverse Normal in the Patch workspace), but was unable to get it right.  If we have the source data, perhaps we can figure out this issue.

 

The third problem is in this body (Body14):

bad imported data 8.png

 

Specifically this face:

bad imported data 7.png

 

The circular portion on the right hand side should be open and connected to the cylindrical faces from the hole below.  I tried to fix this face, but have not yet been successful.

 

Sorry that I have not been able to resolve these problems for you.  If we have the source data, we can maybe learn more.

 

Thanks for your patience.

 

Jeff


Jeff Strater
Engineering Director
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Message 4 of 4

Anonymous
Not applicable

Hi Jeff,

 

Many thanks for taking the time to look at this.

 

The data came from the pump manufacturer. I am unable to attached the oririgal file as it says the size is too big.

 

Rgds,

 

James

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