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How to draw a hemisphere on cylindrical curved surface

14 REPLIES 14
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Message 1 of 15
psarkar70
2509 Views, 14 Replies

How to draw a hemisphere on cylindrical curved surface

Please let me know how to draw a hemisphere on cylindrical curved surface. I tried using work plane (tangent plane to the curved surface), but it didn't worked. I am not able to join the flat hemispherical surface with the curved cylindrical surface. Please help me.
14 REPLIES 14
Message 2 of 15
harco
in reply to: psarkar70

see attached
Message 3 of 15
SBix26
in reply to: psarkar70

Not sure if I've understood exactly what you're trying to do, but here's my attempt (Inventor 2009 format)

Sam
Message 4 of 15
psarkar70
in reply to: psarkar70

Thanks , this is exactly what I wanted. Sorry for being late. I had given up hope. Can you please let me know how you did it. As the cylinder is having a curved surface and how to put a hemisphere on it which is having a flat surface. I have noticed the work plane in your drawing is not parallel to any of 3 planes (namely XY , XZ or YZ).
Thanks again.

Partha
Message 5 of 15
JDMather
in reply to: psarkar70

If you edit the sketches you will see a line used to create the user Workplane.

Check this one - maybe it will be easier to understand.

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Message 6 of 15
JDMather
in reply to: psarkar70

>I tried using work plane (tangent plane to the curved surface),

Your method?

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Message 7 of 15
psarkar70
in reply to: psarkar70

Can you please save it in Autodesk 2009 format . I can't open it, I have Autodesk Inventor 2009.
Thanks.

Partha Edited by: psarkar70 on Nov 9, 2009 3:44 PM
Message 8 of 15
psarkar70
in reply to: psarkar70

Hello jmather

Can you please save the files as Autodesk 2009 format. I can't open these files, I have Autodesk 2009.

Thanks
Message 9 of 15
JDMather
in reply to: psarkar70

Attach your file here and I will show you how to fix the geometry.

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Message 10 of 15
psarkar70
in reply to: psarkar70

Hi jmather

Please find the attached file (cyl.ipt -- Autodesk 2009 format). I tried to draw a hemisphere on a cylindrical surface, but unable to do so as cylinder has a curved surface and hemisphere has a flat surface. Can't join these 2 parts together.
Thanks

Partha Edited by: psarkar70 on Nov 10, 2009 1:16 PM
Message 11 of 15
psarkar70
in reply to: psarkar70

Sorry, please find the file.
Message 12 of 15
psarkar70
in reply to: psarkar70

Please find the attached file.
Message 13 of 15
JDMather
in reply to: psarkar70

First thing I noticed is that Sketch1 is not constrained. Why place a circle at the origin but not have Inventor automatically constrain to the origin?

You might want to go through this document.
http://home.pct.edu/~jmather/AU2007/MA105-1L%20Mather.pdf

What if you changed the Revolve feature to 360° instead of 180°?

If that solution doesn't work (you actually want partial cylindrical feature to join hemisphere to cylinder) what if you Thicken the flat faces enough to intersect the cylinder?

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Autodesk AutoCAD 2013 Certified Professional
Certified SolidWorks Professional


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Message 14 of 15
psarkar70
in reply to: psarkar70

Hello Dr Mather

Thanks for the information. It never struck to me to have a full revolution, it's working now. Thanks for the document it will help me immensely, as I am a beginner and want to know the basics.
Thanks again.

Partha Edited by: psarkar70 on Nov 10, 2009 2:31 PM
Message 15 of 15
SBix26
in reply to: psarkar70

The workplane was created by selecting the XZ plane and the line in Sketch1. That gives a plane perpendicular to XZ and through the line. That allows the sketch to completely control the angle and radial position of the workplane.

Sam

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