How to join two helixes by curve on shell of cylinder?

michal_palko

Does anybody know how to do this? 


I could do this with bridging curve but never match cylinder shell exactly (by changing magnitude).

John_P_Desilets

@michal_palko Can you please share a public document for us to look at? 

John_P_Desilets

@michal_palko You can split the face of the cylinder and apply a composite curve to the edge formed by the split. Hope this helps.

https://cad.onshape.com/documents/fd8bd4e96e88a002a005f08b/w/ec057aac1dc8727c0516e336/e/d5dd47adcc82ed3bc442168f


 

Sketch that is tangent to the curve and passes through the part. 

Two splits. One splitting the face using the sketch in the previous step, the other by a plane. 


Select the edge and create a composite curve. 

michal_palko

That works. Thanks a lot!

michal_palko

And is there a trick to somehow join those four curves? Sometimes it makes mess when I do sweep (remove) and need to do it in multiple steps.

mahir

michal_palko said:

And is there a trick to somehow join those four curves? Sometimes it makes mess when I do sweep (remove) and need to do it in multiple steps.

Composite Curve