Nexzo DynamicsDiscuss an Application

Applications · Robotics & Humanoids

Actuation is the robot.

Compact electromechanical systems engineered around torque density, inertia, backlash, sensing, thermal behaviour and the geometry of the joint.

Optimising the motor alone is not enough.

In a robot joint, motor torque, gear ratio, reflected inertia, backlash, bearing stiffness, encoder architecture, thermal path and structural packaging interact. Nexzo treats the joint as one electromechanical system.

Robot joint · section · illustrativeJOINT TORQUEØ 110 MAXL 58 MAXHOLLOW BORE · CABLESCROSSED-ROLLER BEARINGFRAMELESS MOTORREDUCERENCODER RINGTHERMAL PATH → STRUCTURE
Robot joint · sectionIllustrative

Capability framing

System scope, not a catalogue.

Joint architecture

Motor, reduction, bearings, sensing and structure considered together.

Frameless integration

Electromagnetic assemblies designed to use the robot structure efficiently where appropriate.

Thermal packaging

Heat paths developed around the actual joint geometry.

Repeatable production

Design decisions made with assembly, test and scaling in view.

Variables

System variables

Continuous and peak joint torque
Joint speed
Reflected inertia
Reduction ratio
Backlash
Stiffness
Bearing arrangement
Encoder resolution
Thermal resistance
Mass
Joint diameter
Axial length
Cable routing
Brake requirements
Production cost

Territory

Application examples

Humanoid joints
Collaborative robot axes
Compact industrial robots
Grippers and end effectors
Mobile manipulators
Legged robots
Rotary and linear robotic modules

The best joint may not look like a motor plus a gearbox.

It may look like one integrated mechanical function.

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