Application Characteristics of Frameless Torque Motors and Magnet Wire Requirements1.1

Introduction to Frameless Torque Motors:

The core requirement of humanoid robots is to move like humans—which means their joints must be compact, precise, agile, lightweight, and reliable. Frameless torque motors address these requirements through their frameless design, direct-drive architecture, high torque density, and high level of integration. Compared with conventional framed motors and stepper motors, frameless torque motors are not simply a performance upgrade; they represent a fundamental shift in joint-drive design. Without frameless torque motors, it would be extremely difficult for humanoid robots to achieve joints that are both compact and powerful, while also delivering the agility and responsive motion required to approach human-like movement.

Frameless torque motors are an optimal solution for humanoid robot joint actuation.