Flexible Coupling
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Published on December 20, 2012
Description
This is a fully printable flexible coupling without support. This type of coupling idea can deal with angular and offset alignment problems plus also end float issues.
Also provides a little bit of a lag, a sort of soft start between the connected shafts.
gyrobot.co.uk
facebook.com/gyrobotuk
Also provides a little bit of a lag, a sort of soft start between the connected shafts.
gyrobot.co.uk
facebook.com/gyrobotuk
Instructions
I realise that there are many variables required in peoples designs, (length, diameters, hole types etc), therefore I am including my fully parametric Catia V5R20 source part for anyone out there able to use it, but I also provide two stl files so that people can print off as examples.
EDIT1: Added stl and step files for options without holes so you can drill out your own sizes or re-model and print.
EDIT2: Fantastic parametric derivative available so you can model your own here :-
thingiverse.com/thing:44078
Happy Coupling!!
EDIT1: Added stl and step files for options without holes so you can drill out your own sizes or re-model and print.
EDIT2: Fantastic parametric derivative available so you can model your own here :-
thingiverse.com/thing:44078
Happy Coupling!!
You must be logged in to post a comment.
yzorg
on
December 21, 2012
said:
fill the empty space with silicone to get it stiffer and more break proof
destroyer2012
on
December 20, 2012
said:
What would this be useful for? Usually one would want to lock rotation of the coupled shafts but allow x-y-z motion.. This doesn't seem like it would lock anything.
Gyrobot
on
December 21, 2012
said:
You are correct, it doesn't actually "lock" anything, that's why it's described as flexible. However feel free to use this design in any place where you want to connect two shafts that aren't perfectly aligned together.
I used this type of design to connect an electric motor to a gearbox where the gearbox was wobbling around on rubber mounts.
License
Flexible Coupling by Gyrobot is licensed under the Attribution - Share Alike - Creative Commons license.
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Case when applying a vertical pressure in the upper surface (aproximation)
http://youtu.be/3hmV2Fhal1Q
Great FEA, and backed up by the real life experiment of squeezing by hand.