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Robot Joint Motor - Precision Engineering for Next-Generation Robotics

SolisMotor designs and manufactures high-performance Robot Joint Motor solutions that power industrial robotic arms, collaborative robots, humanoid robots, and automated guided vehicles. With over a decade of motor engineering expertise, every Robot Joint Motor we deliver combines exceptional torque density, compact form factor, and industry-leading reliability to meet the most demanding motion control requirements.

10+ Years of Motor R&D
50+ Countries Served
500k+ Motors Deployed

Robot Joint Motor

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Robot Joint Motor

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T-10943 Direct Drive Motor | 36V, 4.0 N·m Rated Torque, 8.5 N·m Peak Torque | For Rotary Fixtures and TurntablesT-10943 Direct Drive Motor | 36V, 4.0 N·m Rated Torque, 8.5 N·m Peak Torque | For Rotary Fixtures and TurntablesT-10943T-10943 direct drive motor with 36V supply, 4.0 N·m rated torque and 8.5 N·m peak torque for rotary fixtures and turntables.
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T-8938 Direct Drive Motor | 24V Version: 954 rpm Rated Speed | 36V Version: 372 rpm Rated Speed | For Rotary Motion SystemsT-8938 Direct Drive Motor | 24V Version: 954 rpm Rated Speed | 36V Version: 372 rpm Rated Speed | For Rotary Motion SystemsT-8938T-8938 direct drive motor for rotary systems, with rated speeds of 954 rpm for the 24V version and 372 rpm for the 36V version.
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T-7936 Direct Drive Motor | 24V, 1.2 N·m Rated Torque, 3.7 N·m Peak Torque | For Intermittent Indexing and Rotary FixturesT-7936 Direct Drive Motor | 24V, 1.2 N·m Rated Torque, 3.7 N·m Peak Torque | For Intermittent Indexing and Rotary FixturesT-7936T-7936 direct drive motor with 24V supply, 1.2 N·m rated torque and 3.7 N·m peak torque for indexing and rotary fixtures.
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T-6831 Low-Profile Direct Drive Motor | 0.8 N·m Rated Torque | 31 mm Body Thickness | 24V or 36V Versions | For Compact Rotary PlatformsT-6831 Low-Profile Direct Drive Motor | 0.8 N·m Rated Torque | 31 mm Body Thickness | 24V or 36V Versions | For Compact Rotary PlatformsT-6831T-6831 direct drive motor with a slim 31 mm body, 0.8 N·m rated torque and 24V or 36V versions for compact rotary platforms.
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T-6034 Compact Direct Drive Motor | 24V, 0.65 N·m Rated Torque | 60 × 34 mm | For Rotary Fixtures and Oscillating MechanismsT-6034 Compact Direct Drive Motor | 24V, 0.65 N·m Rated Torque | 60 × 34 mm | For Rotary Fixtures and Oscillating MechanismsT-6034T-6034 compact direct drive motor with 24V supply and 0.65 N·m rated torque for rotary fixtures and oscillating mechanisms.
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T-4929 Compact Direct Drive Motor | 24V, 0.2 N·m Rated Torque | 49 × 29 mm | For Small Turntables and Sensor PositioningT-4929 Compact Direct Drive Motor | 24V, 0.2 N·m Rated Torque | 49 × 29 mm | For Small Turntables and Sensor PositioningT-4929T-4929 compact direct drive motor with 24V supply and 0.2 N·m rated torque for small turntables and sensor positioning systems.
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T-4024 Compact Direct Drive Motor | 12V, 0.09 N·m Rated Torque | 40 × 24 mm, 70 g | For Light-Duty Rotary MechanismsT-4024 Compact Direct Drive Motor | 12V, 0.09 N·m Rated Torque | 40 × 24 mm, 70 g | For Light-Duty Rotary MechanismsT-4024T-4024 compact direct drive motor with 12V supply, 0.09 N·m rated torque and a 70 g design for light-duty rotary mechanisms.
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MG-H40-11 Hollow Shaft Servo Motor - 11 mm Bore, 0.08 Nm RatedMG-H40-11 Hollow Shaft Servo Motor - 11 mm Bore, 0.08 Nm RatedMG-H40-11Compact hollow-shaft servo motor with 0.08 N·m rated torque, 16-bit encoder and CAN FD for precision motion control.
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SLJ20 Integrated Robot Joint Actuator - 48V, Approx. 0.98 kgSLJ20 Integrated Robot Joint Actuator - 48V, Approx. 0.98 kgSLJ20Ultralight 160 W harmonic joint actuator with dual 19-bit encoders and brake for collaborative and humanoid robots.
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MGW6010-8 Exoskeleton Joint Motor - 24V, 8:1 PlanetaryMGW6010-8 Exoskeleton Joint Motor - 24V, 8:1 PlanetaryMGW6010-8Integrated BLDC servo motor with 8:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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SRA705FL 7-Axis Robot Arm - 5 kg Rated Payload, 1161.5 mm ReachSRA705FL 7-Axis Robot Arm - 5 kg Rated Payload, 1161.5 mm ReachSRA705FLSRA705FL Robotic Arm: OEM/ODM manufacturer supplying advanced automation for industrial needs.
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SRA705F 7-Axis Robot Arm - 5 kg Rated Payload, 685.5 mm ReachSRA705F 7-Axis Robot Arm - 5 kg Rated Payload, 685.5 mm ReachSRA705FSRA705F Robotic Arm: As an OEM/ODM manufacturer, we supply precision robotic arms for industrial automation, enhancing assembly and handling.
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MG8115-36 Ankle Joint Actuator - 48 Nm Rated, 36:1MG8115-36 Ankle Joint Actuator - 48 Nm Rated, 36:1MG8115-36Integrated BLDC servo motor with 36:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8115-9 Ankle Joint Actuator - 15.27 Nm Rated, 9:1MG8115-9 Ankle Joint Actuator - 15.27 Nm Rated, 9:1MG8115-9Integrated BLDC servo motor with 9:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8115-6 Ankle Joint Actuator - 9.1 Nm Rated, 6:1MG8115-6 Ankle Joint Actuator - 9.1 Nm Rated, 6:1MG8115-6Integrated BLDC servo motor with 6:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8108-48 Knee Joint Actuator - 35.5 Nm Rated, 48:1MG8108-48 Knee Joint Actuator - 35.5 Nm Rated, 48:1MG8108-48Integrated BLDC servo motor with 48:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8108-36 Knee Joint Actuator - 32.76 Nm Rated, 36:1MG8108-36 Knee Joint Actuator - 32.76 Nm Rated, 36:1MG8108-36Integrated BLDC servo motor with 36:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8108-9 Knee Joint Actuator - 8.19 Nm Rated, 9:1MG8108-9 Knee Joint Actuator - 8.19 Nm Rated, 9:1MG8108-9Integrated BLDC servo motor with 9:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8108-8 Knee Joint Actuator - 6.71 Nm Rated, 8:1MG8108-8 Knee Joint Actuator - 6.71 Nm Rated, 8:1MG8108-8Integrated BLDC servo motor with 8:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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MG8108-6 Hip Joint Actuator - 5.18 Nm Rated, 6:1MG8108-6 Hip Joint Actuator - 5.18 Nm Rated, 6:1MG8108-6Integrated BLDC servo motor with 6:1 planetary gearbox, dual encoder, IP54. Compact design for robots and automation.
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What Makes a Superior Robot Joint Motor

Understanding the engineering principles behind high-performance Robot Joint Motor design

Torque Density

A premium Robot Joint Motor must deliver maximum continuous torque per unit of weight and volume. SolisMotor achieves industry-leading torque density through optimized electromagnetic design and advanced stator winding techniques, ensuring your robot joint delivers consistent force without overheating during extended duty cycles.

Positioning Precision

Our Robot Joint Motor integrates high-resolution encoders with sub-arcminute accuracy, enabling repeatable positioning for precision assembly, laser welding, and surgical robotics. Backlash is minimized to less than 3 arcminutes in planetary configurations and near-zero in harmonic drive variants.

Compact Integration

Every Robot Joint Motor from SolisMotor features a slim profile with hollow shaft options for internal cable routing. This design philosophy eliminates external wiring clutter, reduces joint failure points, and enables 360-degree continuous rotation in robotic arm applications.

Reliability Engineering

A Robot Joint Motor must withstand millions of cycles under variable loads. Our motors undergo rigorous lifecycle testing at rated torque, thermal cycling validation, and IP-rated environmental sealing to guarantee long service life in 24/7 industrial environments.

Robot Joint Motor Applications Across Industries

Explore how SolisMotor Robot Joint Motor solutions enable automation across diverse sectors

Industrial Robot Joint Motor for manufacturing automation

Industrial Manufacturing

SolisMotor Robot Joint Motor solutions drive 6-axis articulated arms for welding, painting, assembly, and material handling in automotive and electronics manufacturing lines.

Collaborative Robot Joint Motor for cobot applications

Collaborative Robots

Our low-cogging Robot Joint Motor designs enable safe human-robot collaboration with integrated torque sensing and smooth force control for cobot applications.

Robot Joint Motor for automated guided vehicles

Logistics & AGV

Compact Robot Joint Motor units power automated guided vehicles and warehouse robots, delivering precise steering and lifting actuation in space-constrained environments.

Robot Joint Motor Technical Specifications

Comprehensive performance parameters for SolisMotor Robot Joint Motor series

Planetary Joint Motor

  • Gear Ratio3:1 to 100:1
  • Backlash≤ 5 arcmin
  • Efficiency> 90%
  • Torque Range1 Nm to 200 Nm
  • Hollow Shaft5 mm to 30 mm

Harmonic Joint Motor

  • Gear Ratio50:1 to 160:1
  • Backlash≤ 1 arcmin
  • Repeatability±10 arcsec
  • Torque Range5 Nm to 500 Nm
  • Hollow Shaft8 mm to 40 mm

Frameless Torque Motor

  • OD Range60 mm to 250 mm
  • Torque DensityUp to 12 Nm/kg
  • Max SpeedUp to 6000 RPM
  • Continuous Torque0.5 Nm to 50 Nm
  • Direct DriveZero backlash

How We Engineer Your Custom Robot Joint Motor

From requirements analysis to production delivery, our engineering workflow ensures every Robot Joint Motor meets your exact specifications

01

Requirements Analysis

Our application engineers work with your team to define torque profiles, speed requirements, dimensional constraints, communication protocols, and environmental conditions for your Robot Joint Motor.

02

Design & Simulation

Using FEA electromagnetic simulation and multi-body dynamics modeling, we optimize the Robot Joint Motor design for maximum performance within your mechanical envelope.

03

Prototype & Validation

We build functional Robot Joint Motor prototypes and validate them on our in-house dynamometers, thermal chambers, and lifecycle test rigs to confirm all performance specifications.

04

Production & Delivery

Once validated, your Robot Joint Motor enters ISO-certified production with full traceability. Typical lead times range from 4 to 8 weeks depending on order volume and customization level.

Robot Joint Motor Quality Assurance & Certifications

Every SolisMotor Robot Joint Motor is backed by rigorous testing and international certifications

Robot Joint Motor quality inspection and testing

100% End-of-Line Testing

Every single Robot Joint Motor undergoes complete performance verification including torque testing, backlash measurement, encoder calibration, and noise level checks before packaging and shipment.

Robot Joint Motor engineering team and R&D center

Dedicated R&D Engineering Team

Our 30+ person engineering team includes specialists in electromagnetic design, mechanical engineering, embedded systems, and motion control. We continuously invest in Robot Joint Motor technology advancement.

Robot Joint Motor assembly and manufacturing facility

ISO-Certified Manufacturing

Our Robot Joint Motor production facility is ISO 9001:2015 certified, with CE and RoHS compliance for all products. We maintain full material traceability and documented quality records for every production batch.

Frequently Asked Questions About Robot Joint Motor

What types of Robot Joint Motor does SolisMotor offer?

We offer three main categories of Robot Joint Motor: Planetary Joint Motors (3:1 to 100:1 ratio, high efficiency), Harmonic Joint Motors (50:1 to 160:1 ratio, near-zero backlash), and Frameless Torque Motors (direct drive, maximum torque density). Each Robot Joint Motor type is optimized for different robotic applications and performance requirements.

Can I get a customized Robot Joint Motor for my specific robot design?

Yes. SolisMotor specializes in custom Robot Joint Motor solutions. We can modify winding configurations, gear ratios, encoder types, hollow shaft diameters, connector layouts, and housing geometries to match your exact mechanical and electrical interface requirements.

What is the typical lead time for a Robot Joint Motor order?

Standard catalog Robot Joint Motor models typically ship within 2-3 weeks. Custom-engineered Robot Joint Motor solutions require 4-8 weeks from design approval to delivery, including prototyping and validation.

Do your Robot Joint Motor products support fieldbus communication?

Yes. Our Robot Joint Motor can be configured with integrated servo drives supporting EtherCAT, CANopen, Modbus RTU, and RS485 communication protocols. This enables seamless integration with mainstream robot controllers including Beckhoff, B&R, Siemens, and open-source platforms like ROS2.

Ready to Power Your Robot with a Custom Robot Joint Motor?

Tell us your torque, speed, and integration requirements. Our engineering team will design the optimal Robot Joint Motor solution for your robotic application.

Fast Prototyping

Functional Robot Joint Motor prototypes delivered in 2-3 weeks for evaluation and integration testing.

Custom Engineering

Tailored torque curves, winding configurations, and mechanical interfaces for your unique robot joint requirements.

Global Logistics

Reliable worldwide shipping with full export documentation and after-sales technical support in your time zone.

Quality Guarantee

Every Robot Joint Motor is backed by a 12-month warranty and ISO 9001 certified manufacturing processes.

Contact Our Robot Joint Motor Specialists

info@solismotor.com
+852 84013418
UNIT 11, 9/F, THE CLOUD, NO.111 TUNG CHAU STREET, TAI KOKTSUI, KOWLOON, HONG KONG

Submit your Robot Joint Motor requirements and our team will respond within 24 hours with a tailored proposal including technical recommendations, pricing, and lead time estimates.

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