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Linear pattern features disappearing after clicking OK

Question asked by Jacob Murray on Apr 21, 2016
Latest reply on Apr 21, 2016 by Simon Wilkins

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I have just selected to show several instances of a certain part for a linear pattern, yet when I click OK, some in the middle of the pattern are missing. I've counted the number of instances in the feature manager and there are 5 missing. I have made sure nothing is hidden etc, but I'm baffled. Would someone mind having a look at my file for me please to let me know what I need to do to get them all showing?

Model2.zip - Google Drive

Selecting the linear pattern instances - I have 16 selected and they are showing in the 3D view

As soon as I click OK, a number of them disappear!

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Dan Pihlaja Apr 21, 2016 8:46 AM
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Question, are they actually gone (missing, as in not in the feature tree at all) or are they just not showing up on the graphics view?

If not showing up on graphics view, try CTRL Q (this does a full rebuild, more than the little green/red stoplight icon).

If actually missing, then I am not sure what is going on.
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- Jacob Murray @ Dan Pihlaja on Apr 21, 2016 8:49 AM
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  Yeah I've tried rebuilding, but they are not even being listed in the feature tree either.
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  - Dan Pihlaja @ Jacob Murray on Apr 21, 2016 8:55 AM
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    I know that this doesn't really solve the problem, but can you do a "Pattern driven pattern" instead?
    
    This will automatically populate all the holes with the nut, rather then relying on your spacing (if you change the spacing on your holes or remove a couple, then you will have to change the linear pattern, whereas a pattern driven pattern will update automatically with the pattern of holes that you have).
    
    edit: Of course, if this is an imported part, then it won't recognize the pattern of holes as a pattern of holes.
    
    I am not sure what is going on. I would ask you to share the assembly, but I am using 2015 and I see that you are using 2016, so I wouldn't even be able to look at it.
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Deepak Gupta Apr 21, 2016 9:38 AM
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Are you trying to edit an already made pattern as there could be chances someone deleted those OR even you deleted those accidentally. If I create a new one, it works fine.

Also when doing Pack and Go, uncheck these until they're required to debug the issue
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Simon Wilkins Apr 21, 2016 11:16 AM
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Hi Jacob - are you using any equations within the patterns to drive them - calculate how many instances there are or calculate the spacing? I had exactly the same issue as this the other day and got onto my VAR about it - this was their response - no solution from Solidworks other than to recreate the pattern?!!! Please see below ... sorry about the spacing as that is how it came through from my email - In my assembly I had 2 different components and one small assembly that I was patterning with the same spacing and the last bit in the email basically suggests editing the patterns and swapping them for one another to recreate the instances! Not ideal!

Dear Tim,

Your
SR 1-10767796321 (VAR SR# 355381) has been updated.

For
details, review the SR in the Service Requests View, under the Technical
Support area on the portal.

Linear
component pattern not showing 5th and 6th instance.

Hello
Tim,

Thank
you for contacting Dassault Systèmes SolidWorks Corp. Technical Support.

The
problem seems already stored in configurations for those features with those
specific components' IDs.
This
behaviour has been linked to the SPR:
933438
Assembly
Pattern - Instances in the preview and in the final result do not match

The
customer will be notified by email when this issue has been resolved.

Unfortunately
there is not a better suggestion than recreating the pattern from scratch.
However,
for this specific project and similar, when and where possible:


1. Edit "Large Hinge Block Pattern"

2. Replace "SWPatternFail FAB50000" with "SWPatternFail
FAB10006"

3. Apply

4. Edit "Small Hinge Block Pattern"

5. Replace "SWPatternFail FAB10006" with "SWPatternFail
A1HB"

6. Apply

7. Edit "Small Hinge Block Pattern"

8. Replace "SWPatternFail A1HB" with "SWPatternFail
FAB50000"

9. Apply

If
you have any further questions about this service request please let me know.

Best
Regards,
Michele
Toderi
Technical
Support Engineer, Dassault Systèmes SOLIDWORKS
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Linear pattern features disappearing after clicking OK

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