Tech Briefs Magazine - August 2024 - MD-8

The Crucial Role of Bearings
in the Humanoid
Robotics Revolution
I
n the ever-evolving robotics landscape, achieving precise
and seamless motion is paramount. While articulating joints
enable a robot's range of motion, bearings serve as the backbone,
ensuring smooth and accurate movement. Particularly
in humanoid robots where precision is non-negotiable, the
selection of bearings becomes a critical engineering decision.
Design engineers must consider the diverse range of robotic
bearings, how backlash affects precision, and when to use seals to
protect bearings from harsh environments.
Bearings in Humanoid Robots
Powering artificial intelligence with the right bearing will
enable proper motion, and a longer bearing and articulating
joint life span. Bearings used in robotic applications come in
several designs, each with its own advantages. The choice of
bearing depends on the specific robotic requirements with regard
to load capacity, speed, precision, and rigidity.
Many of the following designs are available with self-lubricating
materials or greased-for-life options which remove the need to
regrease the bearing at specified intervals. Work with a bearing
manufacturer to specify your application's needs and how to best
support the overall mechanical movement.
Bearings in Rotary Actuators
Cross roller bearings offer high load capacity, precision, and a
compact design. They support axial loads from both directions,
radial loads, tilting moment loads, and any combination of loads.
Found in rotary actuators as the output bearing, cross roller bearings
are known for having low friction torque and clearance, high
durability and accuracy, and unique load capabilities.
8
Motion Design, August 2024

Tech Briefs Magazine - August 2024

Table of Contents for the Digital Edition of Tech Briefs Magazine - August 2024

Tech Briefs Magazine - August 2024 - Intro
Tech Briefs Magazine - August 2024 - Sponsor
Tech Briefs Magazine - August 2024 - Cov1
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