CubeMars RI70 KV95 Motor
CubeMars RI70 KV95 Motor
Product Description
The RI70 KV95 inner-rotor frameless torque motor is a high-precision joint motor and brushless DC motor, ideally suited for industrial automation and robotics applications. Specifically engineered for demanding high-performance use cases—such as exoskeletons, quadruped robots, legged locomotion platforms, robotic arms, and collaborative industrial manipulators—this motor delivers exceptional performance in a remarkably compact package.
CubeMars' RI70 KV95 stands out with its superior electrical characteristics, lightweight construction, and minimized footprint. Its width and thickness are meticulously optimized and support flexible customization, enabling seamless integration into tight or complex mechanical spaces.
Moreover, this frameless inner-rotor motor excels in both torque delivery and motion control precision. It maintains high efficiency while providing stable, responsive power output.
Core Specifications
- Motor Dimensions: Φ76 × 24mm
- Hollow Shaft Diameter: 38mm
- Motor Weight: 270.4g
- Peak Torque: 2.68 N·m
- No-load Speed: 3912 rpm@48V
Product Highlights
- High Torque Density: Delivers robust output in space-constrained robotic joints and mechanisms
- Low Cogging Torque: Advanced electromagnetic design ensures smoother motion and higher control accuracy
- Frameless Architecture: Enables user-defined mounting structures, flange interfaces, or gear integration for maximum design freedom
- Wide Voltage Compatibility: Supports 24V to 48V systems, making it adaptable across diverse robotic platforms
- Compact Form Factor: With an outer diameter of ~76mm and thickness of ~24mm, it integrates easily into densely packed assemblies
Packaging Contents
- RI70 KV95 Frameless Motor ×1
- Certificate of Conformance ×1
| PRODUCT PARAMETERS | |||
| Application | Cobot Arm / Exoskeleton | Insulation Class | C |
| Driving Way | FOC | Insulation High-Voltage | 1000V 5mA/2s |
| Operation Ambient Temperature | -20℃~50℃ | Insulation Resistance | 1000V 10MΩ |
| Winding Type | Delta | Phase | 3 |
| Pole Pairs | 14 | ||
| Electric Parameters | |||
| Rated Voltage (V) | 24 / 36 / 48 | Ke (V/krpm) | 11.69 |
| No-Load Speed (rpm) | 1956 / 2934 / 3912 | Phase-to-Phase Resistance (mΩ) | 418 |
| Rated Torque (N·m) | 0.94 | Phase-to-Phase Inductance (μH) | 622.7 |
| Rated Speed (rpm) | 1270 / 1990 / 2710 | Inertia (g·cm²) | 92.15 |
| Rated Current (ADC) | 7.1 | Km (N·m/√W) | 0.2011 |
| Peak Torque (N·m) | 2.68 | Mechanical Time Constant (ms) | 0.23 |
| Peak Current (ADC) | 21 | Electrical Time Constant (ms) | 1.49 |
| Kv (rpm/V) | 95 | Weight (g) | 270.4 |
| Kt (N·m/A) | 0.130 | Max Torque/Weight Ratio (N·m/kg) | 9.91 |
| Connector | |||
| U | Black + AWG16 Silicone Wire | Hv | Green + AWG30 Silicone Wire |
| V | Yellow + AWG16 Silicone Wire | Hw | Blue + AWG30 Silicone Wire |
| W | Red + AWG16 Silicone Wire | VCC / GND | Red + AWG30 Silicone Wire / Black + AWG30 Silicone Wire |
| Hu | Blue + AWG30 Silicone Wire | Correspondence | Hu–U, Hv–V, Hw–W |