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Wrap a flat thick surface to create a cylinder in SolidWorks 2016

Question asked by Dom Gui on Feb 1, 2016
Latest reply on Feb 1, 2016 by Jacob Ames

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I am working on a stent design for a biomedical application. I have created a 0.2 mm thick flat surface with my pattern.

The total width of the pattern is 2 mm * pi since I want a 2 mm diameter hollow tube with a thickness of 0.2 mm. I would like to wrap this surface so that it forms a cylindrical tube, with both edges merging perfectly together. I am aware of the Wrap feature in SolidWorks but I can't seem to find the right procedure to achieve what I want. After watching a tutorial on YouTube, I saw that in an older version of SolidWorks, the Wrap feature called 2D Sketch and a Planar Face to create a Cylinder. How can I accomplish the same thing in the 2016 version. Cheers!

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Kelvin Lamport Feb 1, 2016 12:35 PM

Two possible methods spring to mind.

1) Use the Flex tool

2) Convert to sheet metal and use the Sketch Bend tool. NOTE: The sheet metal mode will not allow the 'joining' edges to touch. A tiny gap would have to exist.

The Wrap tool is intended for wrapping 2D sketches onto non-planar faces, in preparation for scribing, embossing or debossing.

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John Kamin Feb 1, 2016 1:28 PM

You can create a cylinder with a circumference precisely the same as the width of your sketch and then wrap emboss it onto the cylinder at a thickness that you desire. Then you cut away the cylinder. Take a look at the attachment.

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Wrap.SLDPRT.zip723.5 KB

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Jacob Ames @ John Kamin on Feb 1, 2016 2:37 PM

This was my first thought as well, but when I re-read his question I was under the impression that he had designed the part pictured above based on the outer diameter. In this case, if he uses the same sketch to wrap around a 2mm cylinder and then embosses, the part will be oversized. And if he tries to wrap a 1.8mm cylinder, the wrap will fail.

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John Kamin @ Jacob Ames on Feb 1, 2016 2:44 PM

That's okay, so you create a hollow tube and emboss on the inside of the tube. See attached file.

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Wrap2.SLDPRT.zip703.1 KB

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Jacob Ames @ John Kamin on Feb 1, 2016 2:51 PM

Here's another solution leveraging John's solution - You can deboss the wrap, then create another cylinder of the same diameter (uncheck merge entities) and then use the combine tool to extract just the part you want.

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Wrap(2).SLDPRT.zip969.7 KB

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5 Replies

Kelvin Lamport Feb 1, 2016 12:35 PM
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Two possible methods spring to mind.
1) Use the Flex tool
2) Convert to sheet metal and use the Sketch Bend tool. NOTE: The sheet metal mode will not allow the 'joining' edges to touch. A tiny gap would have to exist.

The Wrap tool is intended for wrapping 2D sketches onto non-planar faces, in preparation for scribing, embossing or debossing.
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John Kamin Feb 1, 2016 1:28 PM
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You can create a cylinder with a circumference precisely the same as the width of your sketch and then wrap emboss it onto the cylinder at a thickness that you desire. Then you cut away the cylinder. Take a look at the attachment.
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- Wrap.SLDPRT.zip723.5 KB
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- Jacob Ames @ John Kamin on Feb 1, 2016 2:37 PM
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  This was my first thought as well, but when I re-read his question I was under the impression that he had designed the part pictured above based on the outer diameter. In this case, if he uses the same sketch to wrap around a 2mm cylinder and then embosses, the part will be oversized. And if he tries to wrap a 1.8mm cylinder, the wrap will fail.
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  - John Kamin @ Jacob Ames on Feb 1, 2016 2:44 PM
    Mark Correct
    Correct Answer
    That's okay, so you create a hollow tube and emboss on the inside of the tube. See attached file.
    Attachments
    Wrap2.SLDPRT.zip703.1 KB
    Like • Show 1 Like1
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- Jacob Ames @ John Kamin on Feb 1, 2016 2:51 PM
  Mark Correct
  Correct Answer
  Here's another solution leveraging John's solution - You can deboss the wrap, then create another cylinder of the same diameter (uncheck merge entities) and then use the combine tool to extract just the part you want.
  Attachments
  - Wrap(2).SLDPRT.zip969.7 KB
  Like • Show 0 Likes0
  Actions

Wrap a flat thick surface to create a cylinder in SolidWorks 2016

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