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SYNDAKIT15-Moonstone
15-Moonstone
August 3, 2021
Question

Symmetric revolve 359.75 degrees

  • August 3, 2021
  • 6 replies
  • 6103 views

I'm pretty sure I could do a symmetric revolve up to 359.9 degrees in previous versions of Creo. 

 

Could someone let me know if that is true? 

 

I am using Creo 8 right now and it's maxing out at 359.5.

 

SYNDAKIT_0-1628013986482.png

 

6 replies

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23-Emerald III
StephenW23-Emerald III
23-Emerald III
August 3, 2021

I'm on Creo 4 M130 and I max at 359.5.

StephenWilliams_0-1628015127112.png

 

 

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SYNDAKIT15-MoonstoneAuthor
15-Moonstone
August 3, 2021

The reason this came up is because I thought I could do it before but when I just tried today it wouldn't let me.

 

I decided to grab some older models to see and yeah I could do 359.9.

Furthermore, I can copy that feature into other parts and it works okay, I just can't create a new revolve feature and rotate it symmetrically 359.9 degrees...... weird.

 

Here is the part I'm talking about:

SYNDAKIT_0-1628019244059.png

 



C
Chris321-Topaz I
21-Topaz I
August 3, 2021

Have you tried changing the accuracy?

    C
    Chris321-Topaz I
    21-Topaz I
    August 3, 2021

    I can do 359.9

    Capture.JPG

    S
    SYNDAKIT15-MoonstoneAuthor
    15-Moonstone
    August 3, 2021

    Change it to symmetric and let me know.

    M
    MartinHanak24-Ruby III
    24-Ruby III
    August 4, 2021

    INFO:

    In Creo 3.0 M190 I can create 359.99 symmetric revolve using PTC solid_part_mmks.prt template (attached)

    In Creo 8.0.0.0 I can create 359.5 symmetric revolve (only) using  the same template.

     

    Please ask PTC Support to explain Creo behavior.

      S
      SYNDAKIT15-MoonstoneAuthor
      15-Moonstone
      August 4, 2021

      Martin,

      Your're the man!
      thank you.

      S
      23-Emerald III
      StephenW23-Emerald III
      23-Emerald III
      August 4, 2021

      It's an odd thing, like it is hard-coded in as a limitation. It's not like a regen failure due to accuracy issues.

      But I do think Frank is right, Creo doesn't like itty bitty slivers.

        kdirth
        21-Topaz I
        kdirth21-Topaz I
        21-Topaz I
        August 4, 2021

        The only thing I can offer is a work around.  Sketch an arc and use a sweep.  I have been able to create a 359.998 degree surface with this method.

        There is always more to learn.
          M
          MartinHanak24-Ruby III
          24-Ruby III
          August 5, 2021

          https://www.ptc.com/en/support/article/CS277888

          C
          Chris321-Topaz I
          21-Topaz I
          August 5, 2021

          Sounds like one of those cases (I have run into a few) where the programmers were like well this is too complex of a math problem to solve so we are just going to make an arbitrary limit that we know will work.

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