Overview
The CubeMars AKE80-8 KV30 Robotic Actuator is a high-performance quasi direct drive actuator that integrates a precision planetary gear reducer with a brushless motor. With a low backlash of only 9 arcminutes, a peak torque density of 52 N·m/kg, and modular design, it delivers exceptional accuracy, efficiency, and flexibility for robotics and automation applications. Designed especially for exoskeletons, bipedal robots, robotic arms, and collaborative robots, the AKE80-8 combines power and precision in a compact, lightweight structure.
Key Features
-
Quasi Direct Drive with Planetary Gear
Achieves high torque output and precision with reduced complexity and size. -
Heavy Load Capacity & High Precision
Optimized gear reducer delivers 52 N·m/kg torque density and maintains backlash within 9 arcmin for accurate positioning. -
Quiet Operation with Extended Lifespan
Built using grade 5 precision gears and optimized components to reduce operational noise and wear. -
Enhanced Efficiency Winding
Upgraded winding increases slot fill factor by 10% over AK series, reducing copper losses and heat generation. -
Lightweight & Compact Design
Weighing just 570g with bidirectional mounting options, it's ideal for space-constrained applications. -
Modular Structure
Separately designed motor and gearbox allow for easy disassembly, maintenance, and flexible integration.
Specifications
| Item | Details |
|---|---|
| Model | AKE80-8 KV30 |
| Application | Exoskeleton, Robotics |
| Rated Voltage | 48V |
| Kv (rpm/V) | 30 |
| Rated Speed | 150 rpm |
| No-load Speed | 195 rpm |
| Rated Torque | 12 Nm |
| Peak Torque | 30 Nm |
| Rated Current | 4.8 A |
| Peak Current | 12 A |
| Kt (Nm/A) | 0.32 |
| Ke (V/krpm) | 33 |
| Backlash | 9 arcmin |
| Torque Density | 52 Nm/kg |
| Winding Type | Star |
| Phase to Phase Resistance | 870 mΩ |
| Inductance (P-P) | 990 μH |
| Pole Pairs | 21 |
| Motor Constant (Km) | 0.34 Nm/√W |
| Mechanical Time Constant | 2.3 ms |
| Electrical Time Constant | 1.13 ms |
| Inertia | 1471.75 g·cm² |
| Insulation Class | F |
| High Voltage Endurance | 500V / 5mA / 2s |
| Insulation Resistance | ≥10 MΩ |
| Weight | 570g |
Applications
-
Exoskeleton robotic systems
-
Bipedal and quadruped walking robots
-
Industrial collaborative robots
-
Precision robotic joints and arms
-
Wearable powered assistive devices
Why Choose CubeMars AKE80-8 KV30
CubeMars ensures exceptional quality and innovation by integrating advanced manufacturing techniques and rigorous quality control. The AKE80-8 KV30 actuator is a compact yet powerful solution designed to meet the demanding needs of modern robotics.
Manual Downloads
Details
CubeMars AKE80-8 Robotic Actuator dimensions: Ø54.5, Ø62, Ø87, 32mm length, various bolt specs.

CubeMars AKE80-8 KV30@48VDC actuator analysis chart. Displays output power, efficiency, current, and speed against torque. Graph highlights performance metrics for robotic applications.

CubeMars AKE80-8 Robotic Actuator: Exoskeleton application, 30 Nm peak torque, 48V rated voltage, 150 rpm rated speed, 570g weight, 21 pole pairs, F-class insulation, -20°C to 50°C operation temperature.

CubeMars AKE80-8 Robotic Actuator: Quasi Direct Drive, light, compact, precise, powerful.

Precision transmission with heavy load capacity. Achieves high accuracy, optimized reducer, peak torque density of 52 N.m/kg.

Quiet, precise operation with grade 5 gears; reduces noise, extends motor lifespan.

Winding upgrading boosts efficiency by 10%, reducing losses for superior torque output.

CubeMars AKE80-8 Robotic Actuator: Light and compact for versatile applications. Lightweight design, compact structure with bi-directional mounting for diverse use.

Modular design ensures easy, quick disassembly and maintenance for hassle-free upkeep.
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