HEJ 90

HEJ 90 is maxon's integrated high-efficiency robotic joint for locomotion, mobile manipulation and industrial robot axes. The official product material combines a motor, gears, electronics, sensing, output bearing and IP67 housing, with 140 Nm peak torque, 75 Nm continuous torque and EtherCAT control.

Facts

  • Company: maxon
  • Type: Integrated Robotic Joint
  • Positioning: 140 Nm peak torque in a 2 kg joint module
  • Function: Provides dense, backdrivable and EtherCAT-controlled actuation for quadrupeds, humanoids, mobile manipulators and industrial robot axes
  • Audience: Robot OEMs, robot integrators, robotics researchers and automation engineers
  • Status: Commercial
  • Website: https://global.maxongroup.com/high-efficiency-joints

Specifications

  • Peak Torque Nm: 140 Nm
  • Continuous Torque Nm: 75 Nm
  • Mass Kg: 2 kg
  • Peak Joint Velocity Rad S: Official product-page table value
  • Operating Voltage V: 20–60 V
  • Protection: IP67
  • Communication: EtherCAT, 1 kHz maximum communication rate
  • Control Modes: Joint position, velocity, torque, motor current (FOC) and joint impedance

Market context

Robot OEMs, robot integrators, robotics researchers and automation engineers

  • Peer Group: Integrated actuators, Robot Actuator, Integrated Robot Actuators
  • Workflow: Robot joint actuation
  • Capability: Direct Drive Actuation, Motion Components

View market context