How to investigate an open sketch?

[dudelman]

Dear all,

I have started a revolved solid and that requires definition of a centerline (done) and a sketch of the profile of the part that has to be closed. I generated that and upon inspection in sketcher mode I cannot find any open gap. But, when leaving the sketcher mode, I always get the error message

"! Message Dialog: Warning
! : Cut incomplete (see message window).
! : Close sketcher?"

How can the sketch be inspected and the gap be found?

I am working with Pro/Engineer Wildfire on a Linux machine.

Best regards and thanks in advance - Dudelman

 

[dudelman]

Hi again!

I forgot to mention that in the trail file a variable is mentioned in various places:

!sket_eps 0.1968439329
!sket_eps 0.203201061
!sket_eps 0.1775736557

I assume from the name that this is the smalles allowable unit that the sketcher uses for checking gaps. Can that be altered anywhere?

- Dudelman

 

[3dlogix]

Make sure that all entities are trimmed, that there are no overlayed lines (sometimes we forget to delete a previous line that line under a new one). The only way to delete this
is to delete one at a time, and see if one is underneath. If not, the UNDO and delete the next line.

I know it sucks, but this usually works.


Steve

http://www.sprdesign.com

 

[dudelman]

Thanks 3dlogix!

It worked. I noticed that whenever I want to close the sketcher the problematic entity (i.e. where the gap or other error is located) is highlighted in a different color. I did not realize that before and it helps localizing the error.

Thanks for the hint!

- Dudelman

 

[mjcole]

Some more Tips,

I've dealt with this problem a lot especially when I was a Lab Instructor in College. I find that a few things help localizing the errors a bit quicker.

1. Try deleting entire regions of your sketch and re closing the profile. If the sketch works then you know the region that the error lies in.
---> Make sure to save the Part or Section first so you can edit the particular region in more detail.

2. When looking for duplicate entities, instead of deleting one by one you can use the Query Bin and see if the next option shows up. If not then you don't have duplicate entities and it will save you a delete and undo.

Michael