MyActuator FL-85-23 Frameless Inner Rotor Torque Motor, 48V, 2Nm, 3500RPM, 733W for Robotics and Automation

Overview

The MyActuator FL-85-23 Frameless Inner Rotor Torque Motor is designed for high-performance robotics, gimbals, and precision automation. Featuring a 48V input, 2Nm rated torque, 3500RPM rated speed, and 733W power output, this motor delivers >81% efficiency and precise control with its absolute encoder. Its compact 85mm outer diameter and lightweight 0.61kg build make it ideal for space-constrained applications requiring high dynamic response and reliability.

Key Features

• High Torque and Speed – Delivers 2Nm rated torque and up to 6Nm peak torque at 3500RPM.

• Compact Frameless Design – Optimized for integration in gimbals, robotic joints, and automation platforms.

• Absolute Encoder – Ensures accurate position feedback for precise motion control.

• High Efficiency – Operates at >81% efficiency, reducing heat generation and energy loss.

• Durable Build – Low phase resistance (0.08Ω) and robust construction ensure long operational life.

Technical Specifications

Performance Insights

• Slot Torque – Cogging torque is measured at 9.223 mNm, with drag torque of 10.904 mNm, ensuring smooth rotation.

• Efficiency Curve – Outperforms competing motors in torque-to-efficiency balance, providing stable operation even under load.

• Low Friction – Friction measured at 6.293 mNm minimizes energy loss and heat during continuous use.

Applications

• Robotic arms and joints requiring high torque density

• Gimbal stabilization systems for industrial and aerial applications

• Automated machinery and precision platforms

• Collaborative robots (cobots) and exoskeletons

• High-end laboratory or testing equipment

Details

MyActuator FL-85-23 torque motor, 48V, 3500 RPM, 2 N.m rated torque, 733W power, absolute encoder, 10 pole pairs, Y connection, 0.61 kg weight, F insulation grade.

Slot torque measurement for MyActuator FL-85-23 with XY, polar, and FFT plots. Max torque 11.891 mN·m, min 0.281 mN·m. Cogging 9.223, friction 6.293, drag 10.904 mN·m. Efficiency comparison diagrams included.