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SYT-RI-110-170

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SYT-RI-110-170

Protocol : CAN/EtherCAT

Brand Name : SENINTER

OD : 170mm

Model Number : SYT-RI-100-142

Length : 121.7mm

Voltage : 24-48VDC

Weight : 6.84kg

Certification : CE ROHS

Max. Torque : 800N·m

Place of Origin : CHINA

Max. Speed : 33RPM

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Humanoid Robot Joint Module (Rotary Actuator) Structure – Core Components

Output Flange / Connector – Connects to robot links (e.g., lower leg, forearm), outputs torque and motion.

Torque Sensor (optional but common in high-performance designs) – Ring or spoke type, used for force control / collision detection.

Harmonic Drive – Consists of a wave generator, flexspline, and circular spline; mounted on the motor output shaft.

Frameless Torque Motor – Stator fixed to the housing, rotor connected to the wave generator.

Brake (Safety Holding Brake) – Locks the joint position when power is lost.

Dual Encoders – Motor-side encoder (measures speed/position) and output-side encoder (eliminates reducer backlash error); commonly used for full closed-loop control.

Driver (Servo Drive Board) – Integrated inside the module or in a compact package.

Housing / Cooling Structure – Aluminum alloy body with cable channels.

Customization Services:Waterproof and anti-corrosion customization available for deep-sea operation, with an IP68 protection rating.

 SYT-RI-110-170

Drawing without brake

SYT-RI-110-170







without brake Parameter Table

Parameter Unit Ratio 51 Ratio 81 Ratio 101 Ratio 121 Ratio 161
Gear Ratio - 51 81 101 121 161
Peak Torque N·m 267 376 411 436 459
Max Allowable Torque At Average Load (Robot Application) N·m 133 206 267 267 267
Rated Torque @ 2000RPM (Industrial Application) N·m 94 146 169 169 169
Peak Output Speed RPM 55 37 29 24 18
Rated Speed (With 1/2 Rated Torque) RPM 44 29 22 18 12
Gear Backlash arcsec 20 20 10 10 10
Rated Power W 1000 1000 1000 1000 1000
Supply Voltage V 24–48 24–48 24–48 24–48 24–48
Max Continuous Current A 16.9 16.9 16.9 16.9 16.9
Rated Current A 15.8 15.8 15.8 15.8 15.8
Torque Constant N·m/A 0.175 0.175 0.175 0.175 0.175
Encoder Resolution bit 16 16 16 16 16
Communication Bus - CAN CAN CAN CAN CAN
Hollow Shaft Diameter mm 32 32 32 32 32
Total Length mm 121.5±0.5 121.5±0.5 121.5±0.5 121.5±0.5 121.5±0.5
Mass kg 4.38 4.38 4.38 4.38 4.38
Rotational Inertia g·cm² 4744.7 4744.7 4744.7 4744.7 4744.7

Drawing with brake



SYT-RI-110-170


With brake Parameter Table


Parameter Unit Ratio 51 Ratio 81 Ratio 101 Ratio 121 Ratio 161
Gear Ratio - 51 81 101 121 161
Peak Torque N·m 497 641 702 762 800
Max Allowable Torque At Average Load (Robot Application) N·m 242 351 460 557 557
Rated Torque @ 2000RPM (Industrial Application) N·m 169 255 328 363 363
Peak Output Speed RPM 33 21 16 14 10
Rated Speed (With 1/2 Rated Torque) RPM 22 15 12 10 7
Gear Backlash arcsec 20 20 10 10 10
Rated Power W 1500 1500 1500 1500 1500
Supply Voltage V 24–48 24–48 24–48 24–48 24–48
Max Continuous Current A 30.2 30.2 30.2 30.2 30.2
Rated Current A 14.1 14.1 14.1 14.1 14.1
Torque Constant N·m/A 0.293 0.293 0.293 0.293 0.293
Encoder Resolution bit 16 16 16 16 16
Communication Bus - CAN CAN CAN CAN CAN
Hollow Shaft Diameter mm 40 40 40 40 40
Total Length mm 121.7±0.5 121.7±0.5 121.7±0.5 121.7±0.5 121.7±0.5
Mass kg 6.84 6.84 6.84 6.84 6.84
Rotational Inertia g·cm² 8333.3 8333.3 8333.3 8333.3 8333.3



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