Unitree Dex3-1

Power Control Dexterous Hand, Operate Everything

Combined with force and position hybrid control, it is sensitive and reliable,

and can simulate the precise operation of the object

Collect data, Sensitive and Accurate
Open source links >

Dex 3-1

Dex3-1 three-finger dexterous hand, with 7 degrees of freedom 7 motion off machine: 6 micro brushless force control joint direct drive, 1 micro brushless force control joint gear drive, one hand with 33 tactile sensors. It can be used with G1 humanoid robot to perform various complex actions.

Product Parameters

Body Parameters

  • Weight

    710g

  • Size

    175mm x 88mm x 77mm

  • Degrees of Freedom

    Thumb x 3

    Index Finger x 2

    Middle Finger x 2

  • Transmission Mechanism

    6 Motors Drive Directly

    1 Motor Drive with Gears

  • Angle of Joint

    Thumb Joint 0: -60°~60°

    Thumb Joint 1: -35°~60°

    The Thumb Joint 2: 0 to 100°

    Index Finger Joint 0: 0 °~90°

    Index Finger Joint 1: 0 °~100°

    Middle Finger Joint 0: 0 °~90°

    Middle Finger Joint 1: 0 °~100°

  • Fingertip Repeat Positioning Accuracy

    ±2mm

  • Working Voltage

    12~58V

  • Static Current

    58V @ 0.2A

  • Maximum Current

    10A

  • Communication Interface

    USB2.0

  • Working Temperature Range

    -20℃ ~ 60℃

  • Load Conditions ( Palm Facing Down At Room Temperature, Grasping A 5cm Round Hard Object)

    The Maximum Weight is 500g

    The Maximum Power Is: 400W@3s

  • Load Condition (Palm Facing Left At Room Temperature, Grasping A 5cm Round Hard Object)

    The Maximum Weight is 500g

    The Maximum Power Is: 400W@3s

Sensing parameters

  • Number of Pressure Sensors

    9 (Total of 33 Pressure Sensors)

  • Array resolution

    2 x 2 (Palm) x 3

    2 x 2 (Single Finger Pulp) x 3

    3 x 1 (Single Fingertip) x 3

  • Range of Perception

    10g-2500g

  • Maximum Acceptance (Unamaged)

    20kg

Software functions

  • Communication rate

    1000Hz

  • The number of bytes in a full packet

    Sender:1234 bytes

    Receiver:1270 bytes

  • Perceptual feedback

    Joint Mode, Joint Position, Joint Velocity, Joint Torque, Joint Temperature, Voltage and Current, Sensor Pressure Value, Sensor Temperature Value, imu Data

  • Control feedback

    Joint Mode, Joint Position, Joint Velocity, Joint Torque, Joint Stiffness Coefficient, Joint Damping Coefficient

Miniature Brushless Force Control Joint Parameters

  • Model

    F-1515-108 Miniature Brushless Force Control Joint

    F-1515-214 Miniature Brushless Force Control joint

  • Weight

    45g

  • Size

    34.8mm x 23.1mm x 23.3mm

  • Reduction Ratio

    1:108

    1:214

  • Maximum Torque (Ideal)

    0.76Nm

    1.498Nm

  • Maximum Torque (Actual)

    The Torque Is In The Same Direction As The Speed:0.49Nm

    The Torque Is In The Same Direction As The Speed:0.86Nm

    The Toque Is In The Opposite Direction of The Rotational Speed:1.37Nm

    The Toque Is In The Opposite Direction of The Rotational Speed:3.1 Nm

  • Maximum Rotational Speed

    23rad/s

    11rad/s

  • Maximum Line Current

    4.76A

  • Communication Control Frequency

    1000Hz

  • Method of Communication

    High Speed Unibus

  • Encoder

    Rotor Absolute Value Encoder

  • Working Temperature Range

    -20℃ ~ 60℃

  • IP Rating

    /

  • Working Voltage

    12-24V

  • Motor Preceived Feedback

    Torque, Angle, Angular Velocity, Temperature

  • Motor Control Instruction

    Torque, Angle, Angular Velocity, Stiffness, Damping

[1]

It is the size of the dexterous hand in flat state.

[2]

The data refers to the pressure exerted by the dexterous hand when it is pressed by a vertical downward cylinder with a diameter of 1cm, which varies in different application scenarios. Please refer to the actual situation.

This product is a civilian robot. We kindly request that all users refrain from making any dangerous modifications or using the robot in a hazardous manner.

Please visit Unitree Robotics Website for more related terms and policies, and comply with local laws and regulations.