It's just a concept right now but I wanted others to see that the scale doesnt quite match. Right now its just stacked on there and neck is a little too long.
By Troy
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I havent worked on the bot in a while. I came back from vacation and ordered the linkages I think I will need to fix the head wobble. While waiting for those I toyed around with getting a servo like feedback on the claw open/close. I used the same idea I did with the head but used a larger (but cheap) servo and took it apart for the var. resistor and control board. After I took out the var. resistor I noticed that the gear attached to it had the same pitch as the final gear in the claw. Perfect fit!. I had to modify it though. Later I will take more pictures of an unmodified servo gear to better show where I cut and how I made it. In the meantime, this is what I did. I cut the top shaft that peeks out the servo housing leaving the larger gear intact. Also, on the forearm I had to cut out the microswitch and carve out some plastic to make a place to glue in the pot. After test fitting, the sensor sat too high and I needed to get the gear to sit lower on the resitor's stem. I did that by flipping the gear over and glued it. It's difficult to explain why without a picture but it worked. Here are some pictures and a video. In the video you can hear some clicks as it opens and closes but that due to some gear slippage because I tried it without the spring in the claw. It turns out the spring helps center the claw's long shaft. Also its much slower than I want but Im sure it will be better once I add a separate power source to it.
Lookin' FINE~!
Thank Mel!
Dude, that is so awesome!
Thanks Bret. Unfortunately now I have to figure out how to do the rotation. I had to cut out the only feedback it had when I took out the microswitch.
look good glickclick
Thanks Fred. I wish I've done more.
will post my design for the hands when ready for it,using metal gears this monday forming my riser and making the aluminium frame frame with cover head to toe ,from the head to the tracks,so easy to mounnt the head rotate servo and arm servo's and all electronics,looking for very light weight plus high strength monday i get my MIG welder