The AKH70-16 V1.0 is a hollow-shaft planetary integrated actuator in the CubeMars AKH series: a 7 mm hollow bore for cable routing, 16:1 planetary reduction, 26 N·m rated and 85 N·m peak torque at 90 rpm rated speed, 90 mm diameter and 879 g. Brushless motor + driver + dual encoders in one, FOC with MIT/servo dual modes, for humanoid shoulder/elbow joints and cobot joints needing hollow cable routing.
The AKE90-8 is a quasi-direct-drive (QDD) integrated joint actuator in the CubeMars AKE series: its low 8:1 ratio provides high back-drivability and impact tolerance, with 55 N·m rated and 170 N·m peak torque at 700 W rated power, 107.5 mm diameter and 1.4 kg. Dual-encoder closed loop, FOC and MIT mode, for humanoid large joints, quadruped robots and high-dynamic force-control scenarios.
The AK80-64 delivers the highest peak torque in the CubeMars AK family: 64:1 high-ratio planetary transmission, 48 N·m rated and 120 N·m peak torque at 23/48 rpm rated speed, 98 mm diameter and 850 g. Brushless motor + driver integration, dual-encoder closed loop, FOC with MIT/servo dual modes, for heavy-load humanoid joints, legged-robot hips and base joints of heavy cobots.
The AK60-39 V3.0 is a high-ratio integrated joint actuator from CubeMars: 39:1 planetary reduction, 24 N·m rated and 72 N·m peak torque at 70 rpm rated speed, 79 mm diameter and 750 g. Brushless motor + driver integration, dual-encoder closed loop, FOC with MIT/servo dual modes and over-current/voltage/temperature protection, targeting humanoid hip/knee/ankle joints needing high torque at low speed.
The AK60-6 V3.0 is a compact high-speed integrated joint actuator from CubeMars: only 79 mm in diameter and 380 g, with brushless motor + 6:1 planetary gearbox + driver, 3 N·m rated / 9 N·m peak torque at 24 V/48 V dual supply and 233/490 rpm rated speed. Dual-encoder closed loop, FOC and MIT/servo dual modes, for humanoid forearms/wrists, exoskeletons and light cobot joints.
The AK80-9 V3.0 is a high-speed integrated joint actuator from CubeMars: brushless motor + 9:1 planetary gearbox + driver in one, 9 N·m rated and 22 N·m peak torque with 390 rpm rated / 570 rpm no-load speed, weighing just 490 g. Dual-encoder closed loop, FOC, MIT/servo dual modes and multi-level electrical protection, for speed-sensitive light-load joints, wheeled robots and research actuators.
The AK70-9 V3.0 is a mid-size integrated joint actuator from CubeMars (a Sanrui Intelligent brand): brushless motor + 9:1 planetary gearbox + driver in one unit with dual-encoder closed loop, 8.5 N·m rated and 29.2 N·m peak torque at 260 rpm rated speed, weighing only 540 g with an 89 mm diameter. It supports MIT/servo dual modes and FOC control with over-current, over/under-voltage and over-temperature protection, for cobots, humanoid large joints and research platforms.
The AK10-9 V3.0 is an AK-series integrated joint actuator from CubeMars (Shenzhen), combining a brushless motor, 9:1 planetary gearbox and driver in one compact unit. It runs on 48 V with 18 N·m rated and 53 N·m peak torque, 235 rpm rated and 320 rpm no-load speed, 442 W rated power, weighing only 940 g at Φ98×61.7 mm. It supports speed/torque/position and MIT hybrid closed-loop modes with dual-encoder feedback, FOC control, built-in overcurrent, over/undervoltage and overheat protection, one-click parameter identification and servo/MIT mode switching, targeting collaborative arms, humanoid robot joints and research automation platforms.
Linear Rail, 28 mm wide and 250 mm long, from the Steel Rail Plus series of linear guides, features a U-shaped polished, steel body. Designed for compact setups in automation and robotics, it includes pre-drilled mounting holes every 80 mm and is compatible with SRP28 carriages.
The most powerful and largest stepper motor linear actuator is Haydon Kerk's 87000 series size 34 - delivers forces up to 500 lbs (2224 N) in a compact square package.
Haydon Kerk's 57000 series size 23 stepper motor linear actuator is intentionally designed for applications that require forces up to 200 lbs (890 N).
The 43000 series size 17 hybrid stepper motor linear actuator - Haydon Kerk's best-selling compact hybrid motor, with force of up to 50 lbs (220 N), or speeds exceeding 3 inches (7.62 cm) per second.
