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how to remove parting lines on mirrored bodies

Question asked by Dan Rodriguez on May 4, 2015
Latest reply on May 4, 2015 by Dwight Livingston

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I have drawn a lamp lens using the boundary surface, then mirrored the same lens in order to complete the single part. because this is a glass lamp lens, I would like to remove the parting lines between the mirrored bodies on a white glass lens. How do I do that?

I tried to use color, texture, etc but the lines can steel be seen. I was wondering if there is a cosmetic tool to remove the lines or other function that will make them invisible?

Used solidworks 2013. Used boundary surface to make the quadrant, then mirrored each quadrant.

Help would be much appreciated!

Attached is the part.

Dwight Livingston May 4, 2015 10:43 AM

Correct Answer

Dan

As Jesse said, change the influence to "normal to profile".

Before you make the change, go to the "View" drop menu and deselect "Parting Lines". Also, go to the "View" drop menu, select "Display", then select "Tangent Edges Removed". You will be able to see that the lines are not parting lines and not tangent edges. With Jesse's change, you should see no edge lines.

Dwight

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Lens10.SLDPRT.zip477.5 KB

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Glenn Schroeder May 4, 2015 10:13 AM

I rarely work with Surfaces, so I wasn't able to fix your model, but I believe what you referred to as Parting Lines are where two non-tangent surfaces meet. It's not just cosmetic.

If you'll edit your model so those surfaces are tangent then I'm pretty sure those lines will go away.

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Jesse Robbers May 4, 2015 10:33 AM

As Glenn mentioned, there is or could be some tangency issue. FYI, in the Mirror body feature, you have the check box option to "knit surfaces" or "merge solids" so that you do not need to use a knit surface or combine feature down the road. In your Boundary feature for direction1, for each profile sketch select "normal to profile". See if you're happy with this result. Normal to profile means that for a small value or distance the surface will be extruded if you will, normal to the sketch profile as if it's horizontal. Then when you mirror that body,it'll have a tangent surface. One other thing to look at are your 2 profile sketches. The end point of the sketch at the center and highest point in the part, it's good to make it tangent to a horizontal construction line or another reference item to avoid little issues down the road.

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Dwight Livingston @ Jesse Robbers on May 4, 2015 10:43 AM

Dan

As Jesse said, change the influence to "normal to profile".

Dwight

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Dan Rodriguez May 4, 2015 10:59 AM

It worked. thank you so much. Saved me lots of hours trying to figure this out on my own.

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Dwight Livingston @ Dan Rodriguez on May 4, 2015 4:25 PM

Dan

Please mark Jesse's response as correct. That will mark your question as answered and place his answer with your question.

Thanks

Dwight

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5 Replies

Glenn Schroeder May 4, 2015 10:13 AM
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Correct Answer
I rarely work with Surfaces, so I wasn't able to fix your model, but I believe what you referred to as Parting Lines are where two non-tangent surfaces meet. It's not just cosmetic.

If you'll edit your model so those surfaces are tangent then I'm pretty sure those lines will go away.
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Jesse Robbers May 4, 2015 10:33 AM
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Correct Answer
As Glenn mentioned, there is or could be some tangency issue. FYI, in the Mirror body feature, you have the check box option to "knit surfaces" or "merge solids" so that you do not need to use a knit surface or combine feature down the road. In your Boundary feature for direction1, for each profile sketch select "normal to profile". See if you're happy with this result. Normal to profile means that for a small value or distance the surface will be extruded if you will, normal to the sketch profile as if it's horizontal. Then when you mirror that body,it'll have a tangent surface. One other thing to look at are your 2 profile sketches. The end point of the sketch at the center and highest point in the part, it's good to make it tangent to a horizontal construction line or another reference item to avoid little issues down the road.
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- Dwight Livingston @ Jesse Robbers on May 4, 2015 10:43 AM
  Unmark Correct
  Correct Answer
  Dan
  
  As Jesse said, change the influence to "normal to profile".
  
  Before you make the change, go to the "View" drop menu and deselect "Parting Lines". Also, go to the "View" drop menu, select "Display", then select "Tangent Edges Removed". You will be able to see that the lines are not parting lines and not tangent edges. With Jesse's change, you should see no edge lines.
  
  Dwight
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Dan Rodriguez May 4, 2015 10:59 AM
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It worked. thank you so much. Saved me lots of hours trying to figure this out on my own.
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- Dwight Livingston @ Dan Rodriguez on May 4, 2015 4:25 PM
  Mark Correct
  Correct Answer
  Dan
  
  Please mark Jesse's response as correct. That will mark your question as answered and place his answer with your question.
  
  Thanks
  
  Dwight
  Like • Show 0 Likes0
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how to remove parting lines on mirrored bodies

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