Cannot revolve full 360

[oliwally]

Every now and then, when creating a solid using the revolve tool (WF3 Schools Edition) I am unable to revolve the full 360 degrees. It will accept 359 or even 359.5 degrees, but not 360. This happens particularly when revolving a semi-circle to make/remove a sphere. Is there a setting I am missing somewhere to rectify this problem? Is there a logical reason as to why this happens? Would love some help with this problem please.

 

[csusie]

close your sketch ie, dont just draw a half circle, draw a half circle with a line connecting the 2 endpoints.

 

[oliwally]

Hi csusie - thanks for helping out.

Yes, I'm closing my sketch (sorry - forgot to mention that) so that it forms a neat loop.

The revolve works, most of the time a full 360. But every now and then, especially when including it in an already fairly complex part, using the same method, it refuses and will only work with a value less than 360. Us a value less than 360 and the shape is created, although with a minute gap of 0.5 or so degrees - very annoying.




Edited by: oliwally

 

[csusie]

also, you can only have your sketch on 1 side of the axis of revolution if you are going 360. Maybe that is causing the problem.

 

[oliwally]

Hmmm...no that's not the problem either - I definitely have the sketch and axis correct - just sometimes doesn't want to play. Any other suggestions?

 

[jeff4136]

Postthe filenext time it happens.

 

[Guest]

Could this be related topart accuracy or tolerance since the feature is created on a complex part? I hadsimilarproblems with rounds. On one edge I had a round of .6 and on the other side of the part, when rounding the corresponding edge, I had to create a round of .59. Although the pockets were created the same way and were nominally the same size ProE had a problem with the complex geometry. Just wondering if a similar thing is happening here.

 

[oliwally]

kd2007 - thanks for helping out.

Yes, I guess it could have something to do with part accuracy (although I don't exactly know what that is or refers to). Is there a way to adjust the part accuracy to make the error go away?

 

[Todor60]

Hi, oliwally, use Edit-->Setup-->Accuracy and change the accuracy to be lower or higher from the default one.





Good luck

 

[Guest]

Something else to try if geometry is causing the failure is try to insert the sphere feature before the feature(s) that are causing the failure.

 

[oliwally]

<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">


Something else to try if geometry is causing the failure is try to insert the sphere feature before the feature(s) that are causing the failure. </BLOCKQUOTE></BLOCKQUOTE>
I don't seem to have a spere feature available to me. Perhaps because I'm working on the Educational Version of ProE?? Where would I find this function if it were available?
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
</BLOCKQUOTE>

 

[kdem]

No, you're not missing the feature. Try placing the revolved semi-circle which creates a sphere before the feature(s) that are causing the failure if possible.

 

[audctrl]

In the past, I've saved off the sketch and recreated the feature off a different plane. Sometimes when new geometry starts/stops ona tangent line of some other feature it causes failures.

 

[oliwally]

Thanks kdem and audctrl - I'll try that next time I have the problem. Very much appreciate your help on this