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ANSI/Simplified Threads in Drafting Views

ANSI/Simplified Threads in Drafting Views

ANSI/Simplified Threads in Drafting Views

(OP)
My company recently upgraded to NX 8.5 from NX 7.5. One new problem I'm having is that ANSI/Simplified thread representations no longer appear for some drawing views. Some findings from my attempts to troubleshoot this:

- For a set of views projected from the same base view, the thread representation won't appear for side and section views, but will appear for end views (where the thread axis is normal to the page).

- The thread representation does appear when an externally threaded shaft is chamfered or relieved to not below the thread minor diameter. It disappears when the chamfer or relief diameter becomes smaller than the thread minor diameter (which is the case for most parts I design). Likewise, appears when the start of an internally threaded hole is countersunk to not above the thread major diameter. Disappears when the countersink diameter becomes greater than the thread major diameter.

- Other thread representations display correctly (ANSI/Schematic, ANSI/Detailed, etc.) for the same views.

- "View Style -> Minimum Pitch" is set to 0.

- Checking "View Style -> Render True Hidden Line" doesn't cause the thread representation to appear.

- Existing drawing views (generated using NX 7.5) are unaffected, including after they are updated. Drawing views generated using NX 8.5, and the same geometry as the existing drawing views, are affected.

- Threads modeled using "Hole" or "Symbolic Thread" features are both affected.

Can anyone suggest a fix? Any help is appreciated.

Thanks, Scott

RE: ANSI/Simplified Threads in Drafting Views

If you have ANY examples where something which worked in NX 7.5 no longer works or gives an invalid result in NX 8.5 or any newer version of NX, please contact GTAC immediately and provide then with old and new examples showing the loss of functionality.

John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
Cypress, CA
Siemens PLM:
UG/NX Museum:

To an Engineer, the glass is twice as big as it needs to be.

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