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My ankle hurts I think I will build a new one — Parallax Forums

My ankle hurts I think I will build a new one

jdoleckijdolecki Posts: 726
edited 2013-10-28 14:52 in Robotics
I have decided to build a humanoid.
Im getting rid of or disassembling all my rolling and small robots.
Here is the first part the ankle.
The motors a surplus science store. 10 dollars
The ankle joint is a rod end, pitch, roll and yaw all in one simple package. The finish rod end will be a aluminum one to reduce weight.
image.jpg


http://youtu.be/1fgGabc9aYU
image.jpg
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Comments

  • DiverBobDiverBob Posts: 1,102
    edited 2013-10-21 08:06
    Looks like an interesting project!
  • ercoerco Posts: 20,255
    edited 2013-10-21 08:48
    Pretty cool, nice ball joint and two DOF has interesting possibilities.

    Makes me wonder about using a 3-servo Delta robot arm as a leg. Hmmm. Martin_H?
  • jdoleckijdolecki Posts: 726
    edited 2013-10-27 18:28
    Worked on the humanoid ankle this weekend. Got the aluminum rod ends and the aluminum tube I'm using for the frame. Cut the other foot pad out. Made a bunch of brackets to mount the motors (still not finalized) it will probably all change after the first real test anyways. The long actuator tubes will get shortened anyways. Hopefully I can have both ankles done this week. Working on the knee design now to.
    image.jpg
    1024 x 765 - 96K
    image.jpg
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  • jdoleckijdolecki Posts: 726
    edited 2013-10-28 14:52
    Please note the shameless Parallax plug sticker on the side of the leg. How about a HB 25 motor controller in 24 volts.
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