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
- Physical & Basic InformationPhysical & Basic
- Performance, Sensing & Control
- Software, Logistics & Integration
Hand Type
three-finger
Intended Robot Type
research
Number of Fingers
3
Status
commercial
Thumb Config
fixed
Total DOF
8 (4 active, 4 underactuated)
DOF Per Finger
2 per finger (plus 2 spread axes for fingers 1 and 2)
Independent Actuators
4
Underactuated Design
yes
Palm Width (mm)
187
Hand Length (mm)
298 mm
Hand Thickness (mm)
42 mm (palm shell)
Weight (g)
1180 g
Materials
Aerospace-grade Aluminum, Samarium-Cobalt magnets, and Carbon Fiber link accents
Finger Link Segments
3 segments per finger (Proximal, Intermediate, Distal)
Finger Joint Types
Revolute; cable-driven transmission
Actuator Type
brushless DC motor
Actuator Location
in-hand
Available Countries
USA, Europe, Asia (Subject to Export Control)
Image Gallery
Below images are from Barrett Technology's official sources
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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.
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