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Marten de Groot posted an update 2 years ago
Finally the new ServoBed is done and fits very well.
For now I’m using a 98mm DogBone drive shaft from a tamiya RC truck.
Later, I will order this one:
Very nice work. I’m waiting to see the fingers and wrist working together. Fantastic
Here a video from this complete setup:
Tomorrow I will start to connect all the finger fishing-lines to the servo-pulley’s
It looks good so far
Once again nice work. It would be great to have a printable shaft for the wrist as opposed to a dog bone. Just another part I would have to wait for when I want to try something late at night. I thought you had a different servo offset in your previous vid and didn’t need the universal joint functionality
A printable shaft would be cool, I only think it’s not strong enough !
And DogBone shafts are very basic parts which are used in RC cars.
Most local dealers will selling them.
About the servo, in the first test video I was using a “Low Profile” servo.
For some reason, these servo’s will not run with a Arduino !
For this reason I made a other choice and now I’m using a MG996R.
I don’t have one DogBone shaft whch I need.
I just ordered one with a length of 110mm.
Now I’m using a 98mm shaft so that’s why the universal joint is longer and a bit thicker as usual.
For now it’s running fine.
Tomorrow it will be a big day
I hope to finish the complete hand and see how it runs with the smaller servo’s.
Check my last post, to see the full functional Arm/Hand/Fingers: