CubeMars RI50 KV100 Motor
CubeMars RI50 KV100 Motor
Product Description
The RI50 KV100 is a frameless inrunner torque motor from CubeMars’ RI series, engineered for applications where space is limited but rapid response and high dynamics are essential—such as robotic joints, exoskeletons, collaborative robot arms, and AGV hub drives. Featuring high torque density, ultra-low cogging torque, and an exceptionally small form factor, it delivers outstanding dynamic performance and exceptional mechanical integration flexibility.
Core Specifications
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Motor Dimensions: Φ54 × 27 mm
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Hollow Shaft Diameter: 22 mm
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Weight: 180.8 g
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Peak Torque: 1.67 N·m
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No-Load Speed: 4008 rpm @ 48 V
Product Highlights
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High Torque Density: Continuous torque of ~0.58 N·m and peak torque of ~1.67 N·m meet the output and responsiveness requirements of lightweight robotic joints and modular actuators
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Low Cogging Design: Optimized electromagnetic structure minimizes cogging torque, enabling smoother motion and higher control precision
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Frameless Architecture: Supplied as separate rotor and stator components, allowing users to customize mounting structures and flexibly integrate with gears, flanges, or bearings
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Compact & Lightweight: Weighing only ~180.8 g with an outer diameter of Φ54 mm and length of 27 mm, ideal for highly constrained spatial layouts
Packaging Contents
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RI50 KV100 Frameless Motor ×1
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Certificate of Conformance ×1
| PRODUCT PARAMETERS | |||
| Characteristics Overview | |||
| Application | Cobot Arm/Exoskeleton | Insulation Class | C |
| Driving Way | FOC | Insulation High-Voltage | 500V 5mA/2s |
| Operation Ambient Temperature | -20℃~50℃ | Insulation Resistance | 500V 10MΩ |
| Winding Type | Star | Phase | 3 |
| Pole Pairs | 7 | ||
| Electric Parameters | |||
| Rated Voltage(V) | 24/36/48 | Ke(V/krpm) | 11.41 |
| No-Load Speed(rpm) | 2004/3006/4008 | Phase To Phase Resistance(mΩ) |
1420 |
| Rated Torque(Nm) | 0.58 | Phase To Phase Inductace(μH) |
1500 |
| Rated Speed(rpm) | 1090/1860/2600 | Inertia(gcm²) | 22.8 |
| Rated Current(ADC) | 4.8 | Km(Nm/√W) | 0.1007 |
| Peak Torque(Nm) | 1.67 | Mechanical Time Constant(ms) |
0.22 |
| Peak Current(ADC) | 14.8 | Electrical Time Constant(ms) |
1.06 |
| Kv(rpm/V) | 100 | Weight(g) | 180.8 |
| Kt(Nm/A) | 0.120 | Maximum Torque Weight Ratio(Nm/Kg) |
9.24 |
| Connector | |||
| U | Black+18#Silicone Wire | Hv | Green+30#Silicone Wire |
| V | Yellow+18#Silicone Wire | Hw | Yellow+30#Silicone Wire |
| W | Red+18#Silicone Wire | VCC GND | Red+30#Silicone Wire Black+30#Silicone Wire |
| Hu | Blue+30#Silicone Wire | Correspondence | Hu-U Hv-V Hw-W |