Three Finger Gripper
thingiverse
This is a rough draft of my gripper for the robot arm project I've been working on. I settled on using 3mm carbon fiber rods as the shaft, opting for their affordable price, ease of cutting, strength, and light weight. For the motors, I chose 16mm DC geared motors spinning at around 180 rpm - a speed that works well between 100-200 rpms. These motors are also reasonably priced. To give my gripper a better grip, I added some rubber foam, also known as Mosgummi in German. You can find all the details about this project on my hackaday.io project page (http://hackaday.io/project/3800-3d-printable-robot-arm), or by visiting my blog at www.chaozlabs.de and checking out my YouTube channel at https://www.youtube.com/channel/UCeFKz1UJUd5YuxS1ZikqYwA. Take a look at the tutorial on 3D printing a robot arm on Hackaday - a cool DIY project that’s perfect for learning how to 3D print. If you prefer, watch this video tutorial I uploaded: https://youtu.be/pmE4PjirRWE. You can find my 3d models at GitHub in the repository (https://github.com/4ndreas/BetaBots-Robot-Arm-Project/tree/master/ThreeFingerGripper) for easy access and further development of the gripper project.
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