ARC SERIE
DIRECT DRIVE INTEGRATED CYCLOIDAL JOINT ACTUATORS
Rated torque : 3–150 Nm
Max. torque : 530 Nm
Rated voltage : 24–72 V
Rated speed : 80–100 RPM
Communication : CANFD + Ethernet


This next-generation joint actuator combines lightweight design, high burst power, impact resistance, ultra-high precision with low backdrivability, high-frequency communication, and superior integration in a single unit.
Rated torque:3-150NM
Max. torque: 530Nm
Rated voltage: 24-72V
Rated speed: 80-100RPM
Protocol: CANFD+Ethernet +CANFD
Product description
Integrated Cycloidal Joint Module with Direct Drive and Precision Alignment This next-generation joint module combines lightweight design, high burst power, impact resistance, ultra-high precision with low backdrivability, high-frequency communication, and superior integration in a single unit. Equipped with an advanced inertia and damping compensation algorithm, it withstands instantaneous overloads exceeding 5 times the rated torque while achieving repeat positioning accuracy better than 1 arcminute. The module integrates drive controller, reducer, motor, and dual encoders into one compact unit.Featuring a reducer with a built-in cross-roller bearing, its modular design ensures easy maintenance, upgrades, and seamless scalability. This greatly enhances robot expandability and customization potential. Powered by a self-developed hybrid communication architecture of Ethernet +CANFD, the system supports bandwidths exceeding 100 Mbps and delivers hard real-time communication at over 1 kHz, making it an ideal solution for high-frequency, dynamic robotic applications.
DIRECT DRIVE INTEGRATED CYCLOIDAL JOINT ACTUATORS
Rated torque : 3–150 Nm
Max. torque : 530 Nm
Rated voltage : 24–72 V
Rated speed : 80–100 RPM
Communication : CANFD + Ethernet
Structure

Quick selection Parameter
|
Model |
Arc47 |
Arc68 |
Arc78 |
Arc95 |
Arc102 |
Arc150 |
|
Diammeter (mm) |
Φ47*68 |
Φ68*73 |
Φ78*76.5 |
Φ95*85 |
Φ102*49.5 |
Φ150*73.5 |
|
Reducer type |
Cycloidal reducer |
|||||
|
Voltage (V) |
24-72 |
|||||
|
Rated Speed (RPM) |
100 |
100 |
100 |
80 |
100 |
80 |
|
Rated torque (N·m) |
3 |
18 |
35 |
75 |
55 |
180 |
|
No-load speed (RPM) |
120 |
120 |
120 |
90 |
110 |
100 |
|
Peak torque (N·m) |
9 |
58 |
80 |
200 |
200 |
530 |
Lightweight design
1. Engineered with lightweight materials and an ultra-lightweight manufacturing process
2. Utilized advanced polymer materials, Arc series weighs only 0.2 kg
3. Enables lighter robots and more compact designs
High precision cycloidal reducer
1. Self-developed integrated cycloidal reducer, with strong impact resistance and high repeat positioning accuracy.
2. Balancing weight and performance, it matches a wide range of application scenarios and is more stable and reliable overall
3. The reducer offers an exceptionally low backlash of just 1 arcmin.
Self-developed torque motor
1. Advanced magnetic circuit design technology, creating cutting-edge products in the industry.
2. Multi-dimensional parameter optimization of product solutions
3. Reconstructing a new form of robotic power
Dual encoders control
1. Precisely control joint movements.
2. Provide real-time feedback on output positions.
3. Ensure movements are executed with zero tolerance for error.
High explosive power and impact resistance
1. Strong performance, breaking through limits.
2. The maximum peak torque of the Arc series exceeds 530N·m.
3. The cycloidal actuators can withstand an instantaneous overload impact force of more than five times.
High precision and low reverse drive force
1. Ultra-low backlash for precise control.
2. The Arc series boasts a backlash of just 1 arcminute, with joint reverse drive torque under 1 N·m.
3. Achieves repeat positioning accuracy of less than 1/60 degree.

Humanoid robot

Robot dog

Robotic arm

Exoskeleton robot
| Model | Arc47 | Arc68 | Arc78 | Arc95 | Arc102 | Arc150 |
| Diammeter (mm) | Φ47*68 | Φ68*73 | Φ78*76.5 | Φ95*85 | Φ102*49.5 | Φ150*73.5 |
| Reducer type | Cycloidal reducer | |||||
| Voltage (V) | 24-72 | |||||
| Rated speed (RPM) | 100 | 100 | 100 | 80 | 100 | 80 |
| Rated torque (N·m) | 3 | 18 | 35 | 75 | 55 | 180 |
| No-load speed (RPM) | 120 | 120 | 120 | 90 | 110 | 100 |
| Peak torque (N·m) | 9 | 58 | 80 | 200 | 200 | 530 |
| Communication bus | CANFD | CANFD | CANFD | Ethernet +CANFD | Ethernet +CANFD | Ethernet +CANFD |
| Maximum communication baud rate (Hz) | 4M | 4M | 4M | 100M | 100M | 100M |
| Dual encoder | Yes | |||||