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Olivier on How The First IPod Was Blown Wide Open.effgee on Hackaday Podcast Ep 247: Cameras From Gingerbread Or Hardboard, And The Insecurity Of Bluetooth.Joshua on Degrees Of Freedom, But For Whom?.The Commenter Formerly Known As Ren on Nanobots Self Replicate.arifyn on Pico Makes A So-So Keyboard Neat-O.PWalsh on Marconi Circuit Magnification Meter Gives Up Secrets.Tim Williams on Switching Converter For EEPROM Programmer Taxes Solderless Breadboard.When Nearly Flat Isn’t Really Flat 81 Comments Posted in Robots Hacks Tagged prostheses, robot gripper, soft robot arm Post navigation Soft grippers have become popular in recent years, and origami can also be an option. The mechanism should be fairly easy to replicate using 3D printed components, a piece of toothed belt, and two cheap servos, so get cracking! We love the relative simplicity of the mechanism, and can see it being used for general robotics and prosthetic hands, especially if force sensing is integrated. This allows the gripper to be used in various ways, including smoothly shifting between pinching and grasping without dropping a object.

Two of the fingers can also rotate at the base to give various gripper configurations. A flexible belt stretches between the finger tip and the base of the gripper, which can be tensioned to actuate the fingertip for pinching, or provide even force across the inside of the gripper for grasping. The actuation link has a small gearbox at it’s base to open and close the hand, and the hinge with the “fingertip” is spring-loaded to the open position. Each finger is a interesting combination of a rigid “fingertip” and actuation link, and a belt as a grasping surface.

The three fingered gripper is technically called a “belt and link actuated transformable adaptive gripper with active transition capability”. Researchers of the IRIM Lab at Koreatech is a step closer with their ingenious BLT gripper, which can pinch with precision or grasp a larger object with evenly distributed force. For all the work done since the dawn of robotics, there is still no match for the human hand in terms of its dexterity and adaptability.

Gripper for android download