BrainCo launches Revo3 hand

Robots are good at moving boxes because boxes are forgiving. A box does not slip, bend, crush, or roll away when a gripper closes a little too hard or a little too late. (qq.com) Hands are harder because human spaces are built for fingers, not clamps. A robot that needs to use chopsticks, hold a book, turn a tool, or pick up a playing card has to change its grip shape over and over without dropping the object. (ithome.com) That is why robot makers talk about degrees of freedom. In plain English, a degree of freedom is one independent motion, like one hinge on a finger or one twist at a joint. (qq.com) More degrees of freedom usually mean more ways to shape the hand around an object. A simple industrial gripper may just open and close, while a multi-finger hand can pinch a screw, wrap around a pipe, or brace a tool against the palm. (sciencedirect.com) Motion alone is not enough because real handling depends on touch. Humans know when an egg is about to crack or when a mug is starting to slip because skin senses pressure, friction, and tiny changes in force across the whole hand. (sciencedirect.com) Robot hands try to copy that with tactile sensing. Tactile sensors are pressure sensors spread across fingers or the palm, so the machine can feel contact instead of guessing from motor position alone. (springer.com) Grasping also has more variety than it looks. A widely used human-hand taxonomy published by Feix and colleagues lists 33 grasp types, which gives robot designers a target for how many everyday holds a hand should reproduce. (ieeexplore.ieee.org) BrainCo’s new pitch is that its latest hand is getting closer to that target. On April 8, 2026, reports citing the company’s official video said BrainCo unveiled the Revo3 intelligent dexterous hand with 21 active degrees of freedom and support for 33 grasp types. (qq.com) The company says Revo3 combines full-palm tactile sensing with fingertip visual-tactile sensing. That means the hand is supposed to use both contact data and close-up fingertip perception when it handles small or awkward objects. (qq.com) BrainCo’s published performance claims are aimed at practical handling, not just staged demos. The April 8 reports say Revo3 can open and close at 3 hertz, deliver about 20 newtons of fingertip pinch force, and reach 70 newtons of five-finger grip force. (ithome.com) Those numbers translate into a hand that is trying to cover both delicate and firm tasks. The same coverage list in the launch reports includes eggs, steel pipes, books, chopsticks, and playing cards, which is a much wider spread than the single-purpose objects most factory grippers are designed for. (ithome.com) BrainCo is also leaning on software access as part of the launch. The company’s GitHub page says it hosts open-source software development kits, example code, robot operating system drivers, and simulation resources for its dexterous hands, and its documentation lists Python and C++ support. (github.com) (brainco-hz.com) That open deployment angle matters because robot hands are rarely useful by themselves. They have to plug into simulators, control stacks, and whole-body robots before anyone can test whether they can do paid work instead of trade-show tricks. (github.com) BrainCo has been moving in this direction for a while. At the 2024 World Robot Conference, the company promoted an earlier intelligent dexterous hand with tactile sensing for humanoid robots, which makes Revo3 look less like a one-off reveal and more like the next step in a product line. (prnewswire.com) The real test will be whether Revo3 can repeat these behaviors outside a launch video. Dexterous robot hands have looked impressive in labs for years, but reliability, cost, and integration have usually been the reasons they stop short of warehouses, workshops, hospitals, and homes. (globaltimes.cn)