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SteadyWin GIM8108-8 Planetary Gearmotor 375g Robot Joint Reduction Motor

SteadyWin GIM8108-8 Planetary Gearmotor 375g Robot Joint Reduction Motor

$107.99 $54.00
SteadyWin GIM8108-8 Planetary Gearmotor is a high-torque 48V 336W brushless motor solution, delivering 7.5Nm rated…

SteadyWin GIM8108-8 Planetary Gearmotor is a high-torque 48V 336W brushless motor solution, delivering 7.5Nm rated torque and 22Nm stall torque . Its paired with an 8:1 planetary gearbox for precise motion control in robotics and automation.

Built into a compact 92 55mm IP54-rated housing, it runs at a nominal speed of 110 RPM and supports real-time feedback via a 16-bit encoder .

Perfect for robotic joints and smart actuators, it features:

  • Dual load capacity: 225N axial / 900N radial

  • CAN & Type-C connectivity for flexible integration

  • Optional custom brakes for enhanced control

  • Lightweight design: just 375g with driver

Specifications

Item Value
Driver Model SDC104
Nominal Voltage 48V
Voltage Range 1256V
Power 336W
Nominal Torque 7.5Nm
Stall Torque 22Nm
Nominal Speed after Reduction 110rpm
Max Speed after Reduction 320rpm
Nominal Current 7A
Stall Current 22A
Phase Resistance 0.67
Phase Inductance 0.45mH
Speed Constant 6.67rpm/V
Torque Constant 1Nm/A
Number of Pole Pairs 21pairs
Gear Ratio 8:1
Gear Type Planetary
Reducer Gear Material Steel
Reducer Gear Backlash 15arcmin
Motor Weight (without driver) 378g
Motor Weight (with driver) 396g
Size (without driver) 9244mm
Size (with driver) 9255mm
Max Axial Load 225N
Max Radial Load 900N
Noise
Communication CAN & TypeC
Second Encoder Yes
Motor Protection Grade IP54
Working Temperature 20~+80C
Encoder Resolution (on driver) 16bit
Separate Encoder No
Custom Brake Yes

SteadyWin GIM8108-8 Gearmotor Variant Comparison Table

Variant Name Model Code Driver Included Weight Notes
Motor Only SW-GIM8108-8 No ~375g Bare motor, no driver
Motor + GDZ468 Driver SW-GIM8108-81Z GDZ468 ~396g Standard driver configuration
Motor + GDS68 Driver SW-GIM8108-82S GDS68 ~396g Lightweight driver option
Motor + GDS68 + 2ES68 Drivers SW-GIM8108-83SE GDS68 + 2ES68 ~396g Enhanced control, dual encoder

Notes on Driver Options

  • GDZ468: Full-featured driver with CAN/Type-C support

  • GDS68: Compact driver for space-constrained setups

  • 2ES68: Secondary encoder module for advanced feedback

  • All variants maintain the same core motor specs: 48V, 336W, 7.5Nm torque, 8:1 gearbox, IP54 housing

SteadyWin GIM8108-8 Planetary Gearmotor Full Technical Overview

Core Specifications

  • Voltage Range: 12V56V DC

  • Nominal Voltage: 48V

  • Power Output: 336W

  • Rated Torque: 7.5 Nm

  • Stall Torque: 22 Nm

  • Nominal Speed (after 8:1 reduction): 110 RPM

  • Max Speed (after reduction): 320 RPM

  • Nominal Current: 7 A

  • Stall Current: 22 A

Precision & Control

  • Encoder Resolution: 16-bit onboard

  • Communication Protocols: CAN & Type-C

  • Pole Pairs: 21

  • Speed Constant: 6.67 rpm/V

  • Torque Constant: 1 Nm/A

  • Phase Resistance: 0.67

  • Phase Inductance: 0.45 mH

Gearbox & Mechanics

  • Gear Ratio: 8:1

  • Gear Type: Planetary

  • Gear Material: Steel

  • Backlash: 15 arcmin

  • Max Axial Load: 225 N

  • Max Radial Load: 900 N

  • Noise Level: <60 dB

Form Factor

  • Motor Dimensions (with driver): 92 55 mm

  • Weight (with driver): 396 g

  • IP Rating: IP54 (dust and splash resistant)

  • Operating Temperature: -20C to +80C

  • Custom Brake Support: Yes

  • Second Encoder Support: Yes

  • Separate Encoder Support: No

Ideal Applications

  • Robotic Joints: Smooth motion, high torque, compact size

  • Exoskeletons & Humanoids: Lightweight and responsive

  • Automation Systems: Reliable under load, precise feedback

  • Custom Mechatronics: CAN/Type-C makes integration flexible

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