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[DesignModeler] Cylinder with helical tube inside it

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Old   March 28, 2018, 13:48
Default Cylinder with helical tube inside it
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Anne
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Anyone can help in designing a cylinder with helical tube inside..I dont know how to assign length and pitch to the pipe and how the extra length of pipe can be added to inlet and outlet after giving suitable number of turns to the pipe inside the cylinder..
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Old   April 1, 2018, 06:54
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Joćo Vale
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Hi. I am not sure I understand what you need. Can you post a drawing of the intended final geometry and which part of it do you need help with?
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Old   April 2, 2018, 03:28
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cyl.JPG here the length pipe is given as 4.35m ,cylinder height is 0.32m and pitch is zero. I am having problem in designing the helical pipe.
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Old   April 3, 2018, 04:28
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To design a helical pipe, you have to sweep a cross-section around an axis of rotation. So after sketching the cross-section for your helix, you have to choose the axis of rotation. You can choose one of the standard axis (X, Y or Z) but I usually sketch a line where I want the axis of rotation to be. After that, you use the sweep feature, where the profile is the cross-section and path is the axis. Then you can select Pitch or Turns in Twist Specification. Since I usually draw my axis of rotation with height equal to the height of the helix, I can just select Turns and specify how many turns I want for that length. I also control the radius of curvature by the position of the axis. Is this how you designed your helix? I still can't understand exactly what you are asking.

About extending your inlet and outlet pipe, after generating the helix you can select the inlet or outlet face and Extrude it.
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Old   April 3, 2018, 08:17
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Thanks for ur help
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Old   February 21, 2019, 13:45
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Guys,
I need to draw a helical just like the below screenshot but the second profile should not be changed(shouldn't be scaled-down). I don't know how to draw it. Any idea?



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