EYOU RHU25L-80 Harmonic Drive Robot Joint Motor, 48 V, Ratios 50/80/100 for Humanoid Robots

EYOU

$651.00 USD

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Version RHU-25L-80

Brake Without Brake With Brake

Ratio 50 80 100

Kvantitet

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Overview

The EYOU RHU25L-80 is a harmonic-drive robot joint motor module for humanoid robots and other supported robotic applications. It combines a built-in driver, dual absolute encoders, and EtherCAT/CANopen communication in an 80 mm outer-diameter module. Selectable 50, 80, and 100 reduction ratios provide distinct output torque and speed values, while brake and non-brake versions are offered.

Features

Harmonic reducer with built-in driver.
Dual absolute encoder arrangement: motor side 17-bit and reducer side 19-bit.
48 VDC rated operating voltage; 24–48 VDC operating range.
EtherCAT and CANopen communication protocols.
Power (DC in, DC out), CAN FD (In, Out), EtherCAT (In, Out), and STO (1, 2) driver interfaces.
Control modes: Profile Position (PP), Profile Velocity (PV), Profile Torque (PT), Cyclic Synchronous Position (CSP), Cyclic Synchronous Velocity (CSV), etc.
Brake and non-brake options are available.

Specifications

For rows with three values, values are listed in reduction-ratio order: 50 / 80 / 100.

Parameter	Value
Module model	RHU25L-80
Reducer type	Harmonic
Motor rated power	381 W
Motor rated torque	1.04 N·m
Motor peak torque	3.12 N·m
Reduction ratio	50 / 80 / 100
Joint rated power — life constraint	113 / 115 / 98 W
Rated torque at 2,000 rpm input	27 / 44 / 47 N·m
Average load torque at output	38 / 60 / 75 N·m
Peak torque at output	69 / 96 / 110 N·m
Maximum allowable external torque at output (instantaneous)	127 / 179 / 184 N·m
Backlash	≤20 / ≤20 / ≤20 arcsec
Rated speed at output — life constraint	40 / 25 / 20 rpm
Peak speed at output	79 / 50 / 40 rpm
Brake (B/N)	B/N
Dimensions (outer diameter × axial)	Φ80 × 80.5 mm
Weight (B/N)	1.294 / 1.266 kg
Hollow diameter	18 mm
Housing appearance (process color)	Black Stone
Reducer appearance (process color)	Outer Ring Blackened
Radial (dynamic/static) allowable load at output	440 N
Axial (dynamic/static) allowable load at output	440 N
Output bending moment	62 N·m
Reducer torsional stiffness	12,700 N·m/rad
Reducer input inertia (B)	75.95 / 75.95 / 75.95 kg·mm²
Equivalent joint output inertia (B)	189,875 / 486,080 / 759,500 kg·mm²
Rated operating voltage	48 VDC
Operating voltage range	24–48 VDC
Driver	Built-in
Encoder/bit	Dual absolute / motor side 17-bit & reducer side 19-bit
Driver interface (see terminal model description)	Power (DC in, DC out), CAN FD (In, Out), EtherCAT (In, Out), STO (1, 2)
Communication protocol (see communication description)	EtherCAT / CANopen
Control modes	Profile Position (PP), Profile Velocity (PV), Profile Torque (PT), Cyclic Synchronous Position (CSP), Cyclic Synchronous Velocity (CSV), etc.
Operating ambient temperature	-20–60 °C
Housing temperature rise	≤60 °C
Noise	≤60 dB
Life	>10,000 h