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Shenzhen Seninter Precision Machinery Co.,Ltd.

  • China,Shenzhen ,Guangdong
  • Verified Supplier
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China SYT-RI30-40
China SYT-RI30-40

  1. China SYT-RI30-40
  2. China SYT-RI30-40
  3. China SYT-RI30-40
  4. China SYT-RI30-40

SYT-RI30-40

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Protocol EtherCAT / CAN
OD 40mm
Length 55.3mm
Voltage 24-48VDC
Weight 0.18kg
Max. Torque 4.8N·m
Max. Speed 90RPM
Brand Name SENINTER
Model Number SYT-RI30-40
Certification CE ROHS
Place of Origin CHINA

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  1. Product Details
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Product Specification

Protocol EtherCAT / CAN OD 40mm
Length 55.3mm Voltage 24-48VDC
Weight 0.18kg Max. Torque 4.8N·m
Max. Speed 90RPM Brand Name SENINTER
Model Number SYT-RI30-40 Certification CE ROHS
Place of Origin CHINA

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.

Drawing without brake







  without brake Parameter Table


Parameter Unit Ratio 51 Ratio 101
Gear Ratio - 51 101
Peak Torque N·m 3.3 4.8
Max Allowable Torque At Average Load (Robot Application) N·m 2.3 3.3
Rated Torque @ 2000RPM (Industrial Application) N·m 1.8 2.4
Peak Output Speed RPM 118 59
Rated Speed (With 1/2 Rated Torque) RPM 90 45
Gear Backlash arcsec 40 40
Rated Power W 36 36
Supply Voltage V 24–48 24–48
Max Continuous Current A 2 2
Rated Current A 1 1
Torque Constant N·m/A 0.024 0.024
Encoder Resolution bit 16 16
Communication Bus - CAN CAN
Hollow Shaft mm 6 6
Length mm 60±0.5 60±0.5
Mass kg 0.19 0.19
Inertia g·cm² 27.4 27.4



Drawing with brake




With  brake Parameter Table


Parameter Unit Ratio 51 Ratio 101
Gear Ratio - 51 101
Peak Torque N·m 3.3 4.8
Max Allowable Torque At Average Load (Robot Application) N·m 2.3 3.3
Rated Torque @ 2000RPM (Industrial Application) N·m 1.8 2.4
Peak Output Speed RPM 118 59
Rated Speed (With 1/2 Rated Torque) RPM 90 45
Gear Backlash arcsec 40 40
Rated Power W 36 36
Supply Voltage V 24–48 24–48
Max Continuous Current A 2 2
Rated Current A 1 1
Torque Constant N·m/A 0.024 0.024
Encoder Resolution bit 16 16
Communication Bus - CAN CAN
Hollow Shaft Diameter mm 6 6
Total Length mm 78.6±0.5 78.6±0.5
Mass kg 0.27 0.27
Rotational Inertia g·cm² 45.1 45.1


Company Details

Bronze Gleitlager

,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2017

  • Total Annual:

    10 million USD-15million USD

  • Employee Number:

    100~300

  • Ecer Certification:

    Verified Supplier

Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for... Shenzhen Seninter Precision Machinery Co., Ltd. integrates R&D, production, sales and after-sales services. We specialize in the R&D and manufacturing of AC motors, DC motors, servo motors, brushless motors, gearboxes, geared motors and harmonic reducers, as well as supporting components for...

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  • Shenzhen Seninter Precision Machinery Co.,Ltd.
  • Shenzhen, Guangdong, P.R.China
  • https://www.seninter.com/

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