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Marten de Groot posted an update 8 years, 2 months ago
I’ve decided to make new Wrist Gears to, so all the Finger-fishing lines are more in line with the servo’s ! The Wrist servo will placed on the Finger servobed and with a axle it will be connected to the small Gear. When I’ve printed the Gears, I can start drawing the Servo part… Later I will share more pictures and if it works, I will share all the STL files 😉
I wish that works, it’s a great Idea
Haha, my fingers are crossed 🙂
The Wrist servo is blocking the complete way for all fishing-lines. With the servo placed on the servobed, it makes it full open. So this saves a lot of friction 🙂
(printer is almost done with the last peace 🙂 )
Hello Marten. I came to that exact same conclusion last night while assembling my tendons. They have been very finicky and I am not confident the spring system will hold up. The wrist rotation really plays with the tensions and geometries. I was thinking of a system where the lines ran through the centerline of the wrist. The servo can be moved further up into the forearm out of the way and connected with some sort of a shaft.
Hello Perry, this is what happen with my new setup. The servo is placed on the finger servobed and with a axle connected to the Wrist gears. I’ve a test setup ready now, so I will upload a video in a short time !
Here the short video: