Integrated Force-Controlled Joint HSA Series Embodied Intelligent Robot
The HSA joint modules are lightweight, compact, and highly integrated, with the smallest unit weighing just 450g. Such design eliminates the need for additional redundant components, enabling fast and efficient assembly. The joints feature high-precision torque sensors, achieving micro-force sensing with a resolution of <0.05Nm, and respond to dynamic changes in payload within milliseconds. With a force control loop refresh rate of 1kHz, the HSA modules deliver high torque density (up to 48Nm/kg) and high-speed motor operation (up to 6000 rpm), providing a solid foundation for a variety of robotic applications.
Additionally, ROKAE offers force control algorithm solutions, delivering plug-and-play core components for the embodied Intelligence industry.
Integrated Force-Controlled Joint HSA Series
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Data Overview
Integrated Force-Controlled Joint HSA Specifications

HSA-11HSA-14HSA-17HSA-20HSA-25HSA-32
Motor TypeInner-rotor Frameless Torque Motor
Dimension (Diameter/Length, mm)52/6860/7472/9882/107110/115142/135
Hollow Inner Diameter (mm)6910131521
Weight (With/Without Brake, g)

450*

(without)

600

(with)

1100

(with)

1700

(with)

2950

(with)

6000

(with)

Operating Voltage (V)484848484848
Joint Rated Power (W)40120160250600950
Gear Ratio100100100120100120
Rated Speed (rpm)303030303020
Torque Density (Nm/kg)19.812.846.437.647.546.8
Max Allowable Avg Load Torque (Nm)8.97.7/14*5164140281
Peak Torque (Nm)111970113204459
Torque Sensor Rated Torque (Nm)122570110210480
Torque Sensor Resolution (Nm)≤0.05Nm≤0.05Nm≤0.05Nm≤0.05Nm≤0.05Nm≤0.05Nm
Torque Limit (Nm)36752103306301440
Force Control Closed-Loop Bandwidth100Hz
Impedance Control Frequency1kHz
Force Control Sampling Frequency32kHz
Encoder Precision (bit)18
Encoder TypeDual Absolute
CommunicationEtherCAT







    Note: *1 Supports optional configurations with Brake*2 Supports optional configurations

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