BarrettHand BH8-280
The BarrettHand BH8-280 is a compact, self-contained three-fingered robotic grasper with intelligent underactuation, featuring two multi-jointed fingers with 180° lateral mobility and a fixed thumb for securing diverse objects. Housing four brushless motors, servo-controllers, and CAN communications in a lightweight 1.2 kg palm, it supports versatile grasp types via high-precision encoders and software routines, enabling rapid reconfiguration without tool changes for flexible automation on robotic arms.
Robot Specifications
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Frequently Asked Questions
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Q1. What is the humanoid robot hand BarrettHand BH8-280, and what problem does it solve?
The BarrettHand BH8-280 is a multi-fingered programmable grasper developed by Barrett Technology with three fingers for securing objects of varying sizes, shapes, and orientations. According to the manufacturer, it addresses challenges in flexible automation by enabling target-independent grasping without tool changes.
Q2. What are the main capabilities and key features of BarrettHand BH8-280?
It features three multi-jointed fingers, two with 180 degrees of lateral mobility, high-precision position encoders, and intelligent underactuation via patented TorqueSwitch technology. The hand is self-contained with integrated servo-controllers and brushless motors, supporting serial or CANbus communication.
Q3. Which industries and use cases is BarrettHand BH8-280 built for?
According to Barrett Technology, it targets hand tool automation, packaging, palletizing, remote manipulation, biohazard handling, nuclear-waste management, search and rescue, and bomb disposal in hazardous environments.
Q4. What is the grip strength and dexterity of BarrettHand BH8-280?
The hand provides dexterity for diverse grasp types through coupled finger joints driven by single motors per finger, with underactuation allowing automatic torque switching. Barrett Technology states it supports a high payload relative to its weight.
Q5. Is BarrettHand BH8-280 compatible with standard robotic arms?
Yes, it integrates with robotic arms via industry-standard serial communications or high-speed CANbus, using included USB adapters. The manufacturer notes compatibility with any arm for fast system integration.
Q6. Does BarrettHand BH8-280 support tactile sensing or force feedback?
An optional tactile sensing array provides 24 cells per finger and palm, with higher density at finger tips. Barrett Technology offers a factory-installed torque sensor at distal joints for force feedback, measuring external torque.
Q7. What programming interfaces or SDKs are available for BarrettHand BH8-280?
It supports commands like movement, motor properties, and administrative functions for compatibility with prior models. Barrett Technology provides Libbarrett, a C++ real-time controls library with high- and low-level interfaces, and ROS packages.
Q8. How does BarrettHand BH8-280 compare to other robotic end-effectors?
Unlike fixed-jaw grippers, it reconfigures in real time with eight axes for versatile grasping, reducing workcell needs and tool changes. The manufacturer describes it as a programmable platform consolidating multiple gripper types.
Q9. What level of maintenance is required for BarrettHand BH8-280?
As a self-contained unit with internal electronics and motors, it requires minimal cabling and uses adhesive clips for management. Documentation from Barrett Technology includes user manuals for setup, calibration, and firmware updates.
Q10. Is BarrettHand BH8-280 currently available for commercial purchase?
The BH8-280 model has been presented by Barrett Technology as part of the BH8-series, with supported models including BH8-280. It is listed in product documentation and compatible software as of available records.
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