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Sliding Ball Mate?
davis_ohe
Member Posts: 2 ✭
I'm looking to make a connection for a flexible cable, but since I'm unaware of a way to get actively flexing parts in Onshape, I thought just to have a short rigid segment act in place. One end is rigidly fastened to a Bracket that is free to pivot and move on the X and Y planes, but the other end must slide back and forth through a tube. A good example of what I mean is how the brake cable on a bicycle works. So to keep things simple and moving, the other end needs a Mate with the features of both a Ball and a Slider mate, and I'm unsure of how to accomplish this.
Any Suggestions
Comments
dynamically flexing parts are not available indeed so your work around makes sense. if you can make the end of the tube straight, you could use a cylindrical or sliding mate there depending on the Degrees of Freedom you want to allow. then apply a linear relation.
here's an example:
Feel free to copy the document. add the assembly as a sub- to your main-. then edit in context to change the routing curve.
some tricks:
-the first and last point have a derivative as well as a second point right behind it to make it straight locally.
-I used a variable studio so you can set the bowden-slide-lenght in one go for both the part studio as well as the assembly (it sets the limits there)
-Couldn't help myself and made it fully configurable in v3