MachineU > China Products
SYT-RI40-52
SYT-RI40-52
SYT-RI40-52
SYT-RI40-52
SYT-RI40-52
SYT-RI40-52
Specifications
Length :
62.5mm
Voltage :
24-48VDC
Protocol :
EtherCAT / CAN
Brand Name :
SENINTER
OD :
52mm
Weight :
0.32kg
Place of Origin :
CHINA
Max.Torque :
11N·m
Certification :
CE ROHS
Model Number :
SYT-RI40-52 CAN
Max.Speed :
118RPM
Description


SYT-RI40-52



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.

 SYT-RI40-52

Drawing without brake




SYT-RI40-52




without brake Parameter Table

Parameter Unit Ratio 51 Ratio 101
Gear Ratio - 51 101
Peak Torque N·m 8.3 11
Max Allowable Torque At Average Load (Robot Application) N·m 5.5 8.9
Rated Torque @ 2000RPM (Industrial Application) N·m 3.5 5
Peak Output Speed RPM 118 59
Rated Speed (With 1/2 Rated Torque) RPM 80 40
Gear Backlash arcsec 40 30
Rated Power W 90 90
Supply Voltage V 24–48 24–48
Max Continuous Current A 3 3
Rated Current A 2 2
Torque Constant N·m/A 0.05 0.05
Encoder Resolution bit 16 16
Communication Bus - CAN CAN
Hollow Shaft Diameter mm 12 12
Total Length mm 62±0.5 62±0.5
Mass kg 0.32 0.32
Rotational Inertia g·cm² 73 73

Drawing with brake



SYT-RI40-52


With brake Parameter Table


Parameter Unit Ratio 51 Ratio 101
Gear Ratio - 51 101
Peak Torque N·m 8.3 11
Max Allowable Torque At Average Load (Robot Application) N·m 5.5 8.9
Rated Torque @ 2000RPM (Industrial Application) N·m 3.5 5
Peak Output Speed RPM 118 59
Rated Speed (With 1/2 Rated Torque) RPM 80 40
Gear Backlash arcsec 40 30
Rated Power W 90 90
Supply Voltage V 24–48 24–48
Max Continuous Current A 3 3
Rated Current A 2 2
Torque Constant N·m/A 0.05 0.05
Encoder Resolution bit 16 16
Communication Bus - CAN CAN
Hollow Shaft Diameter mm 12 12
Total Length mm 82±0.5 82±0.5
Mass kg 0.42 0.42
Rotational Inertia g·cm² 116.2 116.2



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Product Detail
Length :
62.5mm
Voltage :
24-48VDC
Protocol :
EtherCAT / CAN
Brand Name :
SENINTER
OD :
52mm
Weight :
0.32kg
Contact Supplier
SYT-RI40-52
SYT-RI40-52
SYT-RI40-52

Shenzhen Seninter Precision Machinery Co.,Ltd.

Verified Supplier
1 Years
guangdong, shenzhen
Since 2017
Business Type :
Manufacturer
Main Products :
Frameless Motor, Linear Actuator, Hub Servo Catalog
Total Annual :
10 million USD-15million USD
Employee Number :
100~300
Certification Level :
Verified Supplier
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