CubeMars

CubeMars AKE80-8 KV30

AKE80-8 KV30 quasi-direct drive actuator, 12 Nm rated and 30 Nm peak torque. 195 rpm no-load speed, 570 g.

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US$ 410,50US$ 510,70
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Product description

The AKE80-8 is a quasi-direct drive robotic actuator with a compact, lightweight body. The motor and gearbox are built as one unit.

Key features

  • Quasi-direct drive. A low-ratio planetary gear is combined with the motor, so force feedback is felt directly.
  • Low backlash. Because gear backlash is low, position repeatability is high.
  • Mounts from both sides. The actuator can be fixed from either side, which gives flexibility in joint layout.
  • Modular design. The same interface can be used across different joints.

Applications

Typical applications include exoskeleton joints, rehabilitation devices, collaborative robot arms and mechanisms that work in contact with people.

Is it enough for your project?

The AKE80-8 is a quasi-direct drive actuator delivering 12 Nm continuous and 30 Nm peak torque. For example, a 3.5 kg load at the end of a 30 cm arm needs about 10.3 Nm of static torque (3.5 × 9.81 × 0.30). That load stays within the actuator's rated torque.

In quasi-direct drive the reduction is kept low (8:1). The joint stays compliant to external forces, and force feedback can be read from motor current. At 32 mm tall and 570 g it suits exoskeleton elbows and knees and rehabilitation devices in contact with people.

How it compares to similar models

  • AKE60-8 KV80. The small model in the same series, with 5 Nm rated and 12.5 Nm peak torque. It weighs 260 g and runs on 24 V.
  • AKE90-8 KV35. The largest model in the same series, with 55 Nm rated and 170 Nm peak torque. It weighs 1,400 g.
  • AK80-8 KV60. In a similar torque class (10 Nm rated) at the same weight, but its driver board is inside the housing.

Frequently asked questions

Is the driver included?

No. The AKE series has no integrated driver board, and the actuator runs with an external FOC driver. Our technical team can help you choose a driver.

How much gearbox backlash is there?

According to the manufacturer, 9 arcminutes, or about 0.15 degrees.

How is position read?

The Ø6 × 2.5 mm sensor magnet in the box is fitted to the end of the shaft, and position is read from it by the magnetic encoder on the driver side.

What is its torque constant?

On the motor side Kt is about 0.32 Nm/A. With the 8:1 reduction, the 12 Nm rated output torque is reached at about 4.8 A.

In the box

  • AKE80-8 KV30 robotic actuator (driver board not included)
  • Ø6 × 2.5 mm sensor magnet

Related products

This model has no integrated driver board, so the actuator needs an external FOC driver. Our technical team can help you choose a driver.

Shipping and delivery

Products in stock are dispatched within 3 business days from our warehouse in Turkey.

Shipping cost and delivery time to your country are shown at checkout. For models not listed in stock, ask our technical team about the lead time.

Returns

To start a return, contact us through our technical team. The product must be unused, undamaged and in its original packaging.

Return conditions for international shipments are confirmed before purchase.

  • Own stockProducts are ready in our warehouse in Turkey, with no wait for import from the manufacturer.
  • Dispatch in 3 business daysYour order is dispatched within three business days.
  • Official distributorWe are an official CubeMars distributor, every product is genuine.
  • Technical supportOur team supports you in English from motor selection to commissioning.

Specifications

Values from the manufacturer's datasheet.

Rated torque (Nm)12
Peak torque (Nm)30
Rated speed (rpm)150
No-load speed (rpm)195
Gear ratio8:1
Backlash (°)0.15
Rated voltage (V)48
Rated current (A)4.8
Peak current (A)12
KV (rpm/V)30
Torque constant Kt (Nm/A)0.32
Voltage constant Ke (V/kRPM)33
Phase resistance (mΩ)870
Phase inductance (µH)990
Pole pairs21
Winding typeStar
Drive methodFOC
Weight (g)570
DimensionsØ87 × 32 mm
Rotor inertia (g·cm²)1,471.75
Torque-to-weight ratio (Nm/kg)52
Insulation classF
ApplicationsExoskeletons

Values are taken from the manufacturer's datasheet.

Project support

Let's bring your project to life together

If you are building a robot arm, a humanoid robot, an exoskeleton or a competition vehicle, tell us about your project. From motor selection to commissioning, our team stays with your project at every stage.

Tell us about your project

For university teams, R&D teams and industrial projects

  • The right motor, the right torqueLet's choose the model together based on your joint loads.
  • Setup and commissioningWe are with you on the driver, CAN communication and parameter tuning.
  • From prototype to productionLet's plan quantities and supply around your project timeline.

Other models in the series

Compare models in the same series side by side.

SpecificationThis productCubeMars AKE80-8 KV30CubeMars AKE90-8KV35ViewCubeMars AKE50-8 KV110ViewCubeMars AKE40-6 KV90View
Rated torque (Nm)12552.51.8
Peak torque (Nm)301707.55.5
KV (rpm/V)303511090
No-load speed (rpm)195210320330
Weight (g)5701,400190140
DimensionsØ87 × 32 mmØ107.5 × 43.5 mmØ61.2 × 22.5 mmØ51 × 24.5 mm

Request a quote

Fill in the form for volume purchases, company invoicing and project pricing. Our team will get back to you shortly.

Request a quote

Frequently asked questions

The most common questions about motor selection, delivery and technical support.

Is the product in stock and when is it dispatched?

Our products ship from our own warehouse in Turkey. Your order is dispatched within 3 business days. Current stock status is shown on this page.

Which motor fits my project? Can you help me choose?

Yes. Tell us the torque, speed and supply voltage you need, and we will find the right series together. You can also compare using the specifications table on this page and the filters on the category page.

  • For high torque at low speed, the AK, AKE and AKH series with gearbox
  • For direct drive and low inertia, the frameless RI and RO series
  • For cameras and stabilization systems, the GL series
Are the products genuine and under warranty?

Robotizma is an official CubeMars distributor. Every product we sell is genuine and covered by the manufacturer's warranty.

Where can I find the datasheet and mounting dimensions?

The Specifications section on this page lists rated torque, peak torque, KV, no-load speed, weight and outer dimensions. If you need the detailed datasheet, CAD file or driver documentation, ask our technical team.

Do you offer corporate sales, quotes and invoices?

We sell to universities, industry and R&D projects. For volume pricing and a formal quote, fill in the Request a quote form on this page and our team will reply with price and delivery details.

Which driver and communication can I use with the motor?

In the AK and AKH series actuators the driver board is built into the motor and communicates over CAN. The AKE series and the frameless RI and RO series motors need an external FOC driver. The R-Link and S-Link interfaces are for setup and debugging, and we can support you during installation.

Can't find your question?Write to the technical team