CubeMars’ AKE series quasi direct drive (QDD) motors take a different route to joint actuation: instead of hiding a large reduction stage in a tall housing, they pair a high-torque BLDC with a compact, low-profile integrated 8:1 reducer, keeping the joint short while preserving much of the transparency QDD designs are known for.

What the Video Shows

The official series video walks through the AKE value proposition: high torque output in a compact, low-profile package, an integrated reducer that cuts system complexity, and motion control performance suited to robotic arms, quadrupeds and humanoid platforms.

Original Video

Source: CubeMars Official YouTube Channel
Video: AKE Series Quasi Direct Drive Motors | Compact Power for Robot Joints

Series Overview

Two AKE models are detailed on ToBMS:

Product Details

SpecificationDetails
ManufacturerCubeMars
SeriesAKE Quasi Direct Drive
AKE80-8 KV30 rated torque12 Nm (peak 30 Nm)
AKE80-8 KV30 voltage / weight48 V / 570 g
AKE60-8 KV80 rated torque5 Nm (peak 12.5 Nm)
AKE60-8 KV80 voltage / weight24 V / 260 g
Reduction Ratio8:1 (integrated)
ApplicationsRobotic arms, quadrupeds, humanoid joints

Specifications sourced from the official CubeMars product data.

Engineering Context

QDD-style actuators trade some peak torque for backdrivability, bandwidth and mechanical simplicity. With only an 8:1 stage, the AKE series keeps reflected inertia low - valuable for force-sensitive tasks, legged locomotion and any joint that must safely interact with people or uncertain terrain.

Explore on ToBMS

Conclusion

For engineers who want near-direct-drive behavior without giving up torque, the AKE series is a pragmatic middle path. The official video plus the ToBMS specification pages give a complete basis for a first-pass selection.