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Technical Drawing
RI80 without hall sensor
RI80 with hall sensor
CubeMars has introduced the RI series frameless inrunner motor, an ideal choice for high-precision joint motors and brushless DC motors in the fields of industrial automation and robotics technology.Specifically designed to meet the demands of high-performance applications such as exoskeletons, quadruped robots, leggedl robots, robotic arms, and industrial collaborative robotic arms, this motor stands out with its outstanding electrical performance, lightweight, and compact size. The width and thickness aremeticulously designed, and the motor supports flexible customization to meet installation requirements in various compact spaces.
Furthermore, this frameless inrunner motor excels in precision control and torque output, providing stable power output while maintaining high efficiency. With its optimized gear ratio and plug-and-play design philosophy, CubeMars' motor enhances operational flexibility and significantly simplifies the installation and maintenance processes.
As a leading brand in the industry, CubeMars is committed to relentless innovation and quality. Our factory employs advanced manufacturing technologies and strict quality control processes to ensure that each product meets high standards. Choosing CubeMars means opting for the perfect combination of reliability, efficiency, and advanced technology.RI50,Frameless motor with high torque density
RI80 without hall sensor
RI80 with hall sensor
| 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 | 8 |
| Rated Voltage（V） | 24/36/48 | Ke（V/krpm） | 15.5 |
| No-Load Speed（rpm） | 1480/2220/2960 | Phase To Phase Resistance（mΩ） | 330 |
| Rated Torque（Nm） | 1.45 | Phase To Phase Inductace（μH） | 510 |
| Rated Speed（rpm） | 1135/1785/2430 | Inertia（gc㎡） | 212.49 |
| Rated Current（ADC） | 9.4 | Km（Nm/√W） | 0.2698 |
| Peak Torque（Nm） | 4.1 | Mechanical Time Constant（ms） | 0.29 |
| Peak Current（ADC） | 27.6 | Electrical Time Constant（ms） | 1.55 |
| Kv（rpm/V） | 75 | Weight（g） | 411 |
| Kt（Nm/A） | 0.155 | Maximum Torque Weight Ratio（Nm/Kg） | 9.3 |
| U | Red+16#Silicone Wire | Hv | Blue+30#Silicone Wire |
| V | Yellow+16#Silicone Wire | Hw | Green+30#Silicone Wire |
| W | Blue+16#Silicone Wire | VCC GND | Red+30#Silicone Wire Black+30#Silicone Wire |
| Hu | Yellow+30#Silicone Wire | Correspondence | Hu-U Hv-V Hw-W |
| category | Model | Rated Voltage (V) | Rated Power (W) | Rated Torque (Nm) | Rated Current (A) | Rated Speed (RPM) | Peak Torque (Nm) | Peak Current (A) | No-load Speed (RPM) | Phase to Phase Resistance (mΩ) | Phase to Phase Inductance (μH) | Pole Pairs | Weight (G) | Size (diameter *length) MM |
| RI Potting Inrunner Series | RI115-PH | 48 | 823 | 5.5 | 20 | 1430 | 16 | 52 | 1920 | 134 | 245 | 20 | 1108 | Ф115*38.1 |
| RI Potting Inrunner Series | RI85-PH | 48 | 637 | 2 | 16 | 3042 | 5 | 44 | 4080 | 138.5 | 239.4 | 14 | 411 | Ф85*27.3 |
| RI Potting Inrunner Series | RI75-PH | 48 | 297 | 1.2 | 7.28 | 2365 | 3.8 | 24.2 | 3360 | 495 | 673 | 14 | 348 | Ф70*31.8 |
| RI Frameless Inrunner Series | RI100 | 24/36/48 | 252 | 1.76 | 13.6 | 1370/2100/2825 | 4.95 | 38.6 | 2184/3276/4368 | 126 | 366.7 | 14 | 500 | Ф104*26 |
| RI Frameless Inrunner Series | RI80 V2.0 | 24/36/48 | 172 | 1.45 | 9.4 | 1135/1785/2430 | 4.1 | 9.4 | 1480/2220/2960 | 330 | 510 | 8 | 411 | Ф85*27 |
| RI Frameless Inrunner Series | RI70 | 24/36/48 | 125 | 0.94 | 7.1 | 1270/1990/2710 | 2.68 | 21 | 1956/2934/3912 | 418 | 622.7 | 14 | 270.4 | Ф76*24 |
| RI Frameless Inrunner Series | RI60 | 24/36/48 | 85 | 0.57 | 5.6 | 1440/2320/3190 | 1.63 | 16.8 | 2532/3798/5064 | 900 | 877.5 | 14 | 155.9 | Ф60*23 |
| RI Frameless Inrunner Series | RI50 | 24/36/48 | 66 | 0.58 | 4.8 | 1090/1860/2600 | 1.67 | 14.8 | 2004/3006/4008 | 1420 | 1500 | 7 | 180.8 | Ф54*27 |
