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T-8938 Direct Drive Motor | 24V Version: 954 rpm Rated Speed | 36V Version: 372 rpm Rated Speed | For Rotary Motion Systems

T-8938 Direct Drive Motor | 24V Version: 954 rpm Rated Speed | 36V Version: 372 rpm Rated Speed | For Rotary Motion Systems
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-8938 Direct Drive Motor | 24V Version: 954 rpm Rated Speed | 36V Version: 372 rpm Rated Speed | For Rotary Motion Systems
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CategoriesDirect Drive Motor
BrandSolismotor Custom Robot Joint Drives
Product SpecificationsT-8938
Rated Torque1.1N·m
Peak Torque5.17N·m
Rated Power139.2W
CommunicationCAN / RS485
ProtectionIP54
Weight~534g
Nominal speed954
Detail Information

T-8938 Direct Drive Motor

Continuous-rotation devices and angular positioning mechanisms place different priorities on speed and output. The T-8938 offers 24 V and 36 V electrical versions: the 24 V version is rated at 954 rpm and 1.1 N·m, while the 36 V version is rated at 372 rpm and 1.26 N·m. Both have a Ø89 × 38 mm body and weigh approximately 534 g, allowing different motion specifications to be evaluated within the same nominal installation envelope. Without an intermediate reduction stage, motor and directly coupled load share the same rotational speed, making the selected electrical version’s speed and torque combination particularly important.
MG 3505-36 Robot Joint Motor

Product Advantages

Motor features and dimensions

24 V Version for Higher Rated Speed

The 954 rpm rated speed provides a selection reference for rotary mechanisms with higher speed requirements, together with 1.1 N·m rated torque and 5.17 N·m peak torque. For continuous rotation or faster angular changes, this version can be assessed against target speed, load inertia and the acceleration profile.

36 V Version with a Different Output Combination

The 36 V version provides 372 rpm rated speed, 1.26 N·m rated torque and 4.11 N·m peak torque. Compared with the 24 V version, it has a lower rated speed and slightly higher rated torque. This offers a different balance for the application and can be evaluated alongside a 36 V power platform.

Robot joint motor specifications

Power-Supply Selection Within the Same Envelope

Both versions have an 89 mm outside diameter and a 38 mm thickness, supporting a common assessment of installation space. Peak current is 33.1 A for the 24 V version and 6.6 A for the 36 V version. Selecting the output combination alongside supply capacity and current limits helps coordinate mechanical and electrical design.

Matching Different Equipment Cycle Requirements

Continuous-rotation devices can be assessed around operating speed and sustained resistance. Angular positioning mechanisms can be evaluated against inertia, acceleration, deceleration and stopping requirements. Equipment with an established power platform can be screened by voltage version. Always use the complete specifications for the selected version so that speed, torque and current values correspond.

Robot application scenarios

Motion Control and System Connectivity

A single-turn absolute encoder provides position feedback. The associated controller supports position, speed and Q-axis current modes for angular positioning, continuous rotation or current-regulation tasks. RS485 and CAN interfaces support connection to the equipment control system. Motor control resolution is 14 bit; actual motion performance depends on the load, mechanical connection and control tuning.

Technical Specifications

ParameterValue
ModelT-8938
Configuration InterfaceRS485
Rated Voltage12-40 VDC
Rated Torque1.1N·m
Peak Torque5.17N·m
Rated Power139.2W
Encoder Resolution14-Bit
CommunicationCAN 
Protection RatingIP54
Weight (with driver)~534 g
Nominal speed954
Noise< 50 dB
Working Temperature-20 ~ +80 °C
Dual Encoder SupportYes (Output Shaft)
Custom Brake SupportYes

Key Applications

Humanoid Robots

Joint actuation for bipedal and full-body humanoid platforms

Collaborative Robots

Safe, precise motion for cobot arms and grippers

Exoskeletons

Power assist and rehabilitation exoskeleton systems

Education & Research

Robotics labs, university projects, and prototyping

Medical Assistants

Surgical robots and rehabilitation equipment

Smart Automation

Automated guided vehicles and smart manufacturing

Downloads

Product documents for engineering evaluation, mechanical integration and maintenance planning.

T-8938 Datasheet

PDF · Electrical and mechanical specification
Download

T-8938 2D Drawing

PDF · Dimensions and mounting interface
Download

T-8938 3D STEP Model

STEP · Integration model for CAD
Download

T-8938 User Manual

PDF · Wiring, tuning and maintenance
Download

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