Products
Cycloidal Robot Joint Motor

Arc cycloidal joint actuators

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.

 

 

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

 

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

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