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Overlapping extrusions

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Message 1 of 6
Anonymous
721 Views, 5 Replies

Overlapping extrusions

Anonymous
Not applicable

Hey, I am new to modelling with Inventor, so appologies if my questions seems trivial.

I am trying to model the stator of an induction motor, which is to be tested in Comsol.

As seen in image 1 : I have seperated the stator to represent different windings

The problem I am facing is seen in image 2 (zoomed in) where the windings are overlapping with the outer ring, while sketching these circles have the same diameter, but I do not understand why this overlapping is happening.

When I see the sketch (image 3) there is no overlap. only when the surfaces are extruded this issue comes up.1.png2.png3.png)there

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Overlapping extrusions

Hey, I am new to modelling with Inventor, so appologies if my questions seems trivial.

I am trying to model the stator of an induction motor, which is to be tested in Comsol.

As seen in image 1 : I have seperated the stator to represent different windings

The problem I am facing is seen in image 2 (zoomed in) where the windings are overlapping with the outer ring, while sketching these circles have the same diameter, but I do not understand why this overlapping is happening.

When I see the sketch (image 3) there is no overlap. only when the surfaces are extruded this issue comes up.1.png2.png3.png)there

5 REPLIES 5
Message 2 of 6
j.palmeL29YX
in reply to: Anonymous

j.palmeL29YX
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To avoid a lot of guessing, post the inventor file please. 

And tell us which Inventor version you use. 

 

 

Jürgen Palme
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To avoid a lot of guessing, post the inventor file please. 

And tell us which Inventor version you use. 

 

 

Jürgen Palme
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Message 3 of 6
johnsonshiue
in reply to: Anonymous

johnsonshiue
Community Manager
Community Manager

Hi! Like Jürgen mentioned here, please share the files. I suspect you may have overlapped arcs or circles with nearly identical radius value.

Many thanks!



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
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Hi! Like Jürgen mentioned here, please share the files. I suspect you may have overlapped arcs or circles with nearly identical radius value.

Many thanks!



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
Message 4 of 6
j.palmeL29YX
in reply to: johnsonshiue

j.palmeL29YX
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@johnsonshiue wrote:

... you may have overlapped arcs or circles with nearly identical radius value.




... or the centerpoints differ a little, or ... 

 

To help you we need your Inventor file.

Jürgen Palme
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@johnsonshiue wrote:

... you may have overlapped arcs or circles with nearly identical radius value.




... or the centerpoints differ a little, or ... 

 

To help you we need your Inventor file.

Jürgen Palme
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Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.

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Message 5 of 6
Anonymous
in reply to: Anonymous

Anonymous
Not applicable

Thank you for your reponse Jürgen and Johnson, I am attaching the file here.
I went through your remarks and made sure the centres and the radii are the same. Maybe I am missing  somthing. I notice that I cannot start the line shown in the image attached below exactly from the circle. This causes the line to extend similarly over the outer circle.

 

Thanks again for taking time to help me.

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Thank you for your reponse Jürgen and Johnson, I am attaching the file here.
I went through your remarks and made sure the centres and the radii are the same. Maybe I am missing  somthing. I notice that I cannot start the line shown in the image attached below exactly from the circle. This causes the line to extend similarly over the outer circle.

 

Thanks again for taking time to help me.

Message 6 of 6
j.palmeL29YX
in reply to: Anonymous

j.palmeL29YX
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Accepted solution

Some base rules for Inventor: 

- Sketches have to be always full constrained (your Sketch1 is not)

- if ever possible do not array sketch geometry. A sketch should be as simple as possible. Then you can array the feature(s) - in your example the extrusions. 

 

An IMO better suggestion is attached. If you have further questions feel free to ask again. 

 

BTW: If you still see an "overlapping", this is only a graphical issue. You can easy check it if you combine the two "overlapping" solids with the Intersect method. If there would be really an overlapping, the result must be the overlapping volume - but there is not. 

Jürgen Palme
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Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.

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Some base rules for Inventor: 

- Sketches have to be always full constrained (your Sketch1 is not)

- if ever possible do not array sketch geometry. A sketch should be as simple as possible. Then you can array the feature(s) - in your example the extrusions. 

 

An IMO better suggestion is attached. If you have further questions feel free to ask again. 

 

BTW: If you still see an "overlapping", this is only a graphical issue. You can easy check it if you combine the two "overlapping" solids with the Intersect method. If there would be really an overlapping, the result must be the overlapping volume - but there is not. 

Jürgen Palme
Did you find this post helpful? Feel free to Like this post.
Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.

EESignature

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