MJX Series Actuator

MJX Series Actuator

Bestseller

• Techrobots 3rd generation cobot actuator, provide customized services for products and solutions.

• Integrated harmonic reducer, motor, brake, encoder, and drive.

• High positioning accuracy, significantly improved reliability and stability.

• Rapid assembly of robots, significantly shortening the development cycle.

• Sophisticated structural design, lighter, smaller, and more compact.

• Customers can independently design the shell, customizing a unique robot.

Application ScenariosSpecific Cases >

Cobot, Humanoid Robots, Life Service Robots, Medical Robots, Precision Rotary Tables, etc

  • 0.63kgSelf-Weight
  • 69mmMinimum Diameter
  • 48N·mMaximum Average Load Torque
  • 45rpmMaximum Speed
  • <60arcsecRepeatability

MJA14

Diameter:69mm
Weight:<0.63kg
Average load torque:7N·m
Rated speed:32rpm
Brake:None

MJA17

Diameter: 76mm
Weight: <0.95kg
Average load torque: 40N·m
Rated speed: 30rpm
Brake: None

MJB14

Diameter: 69mm
Weight: <0.73kg
Average load torque: 7N·m
Rated speed: 32rpm
Brake: 24VDC Permanent Magnetic Brake

MJB17

Diameter: 76mm
Weight: <1.1kg
Average load torque: 40N·m
Rated speed: 30rpm
Brake: 24VDC Permanent Magnetic Brake

A brand-new process, crafted with ingenuity

Addressing the adaptability and stability of robots in more complex working environments

Robot Joint Structure

Technical Specifications

Specifications

Drawings

Category Unit MJA14 MJA17 MJB14 MJB17
Parameters of Harmonic Drive Reducer
Reduction Ratio -- 100 100/120 100 100/120
Gearbox Backlash arcsec ≤20 ≤20 ≤20 ≤20
Transmission Accuracy arcmin <1 <1 <1 <1
Average Lifespan Hour 20000 20000 20000 20000
 
Output Capability
Permissible Starting and Stopping Torque N·m 18 56 18 56
Average Load Torque N·m 7 40/48 7 40/48
Maximum Instantaneous Torque N·m 25 80 25 80
Maximum Allowable Bending Torque N·m 15 35 15 35
Rated Speed rpm 32 30/25 32 30/25
Maximum Speed rpm 45 35/29 45 35/29
Repeatability arcsec <60 <60 <60 <60
Absolute Positioning Accuracy arcsec <300 <300 <300 <300
 
Servo System
Motor Power W 135 175 135 175
Rated Voltage VDC 48 48 48 48
Rated Current A(rms) 3.5 5 3.5 5
Peak Current A(rms) 8.4 12 8.4 12
Incremental Encoder P/R 8000 8000 8000 8000
Absolute Encoder Bit 17 17 17 17
Communication Protocol -- EtherCAT / CANopen
 
Dimensions
Diameter mm 69 76 69 76
Length mm 86 101 86 101
Through Hole Diameter mm 5 7 5 7
Weight kg 0.63 0.95 0.73 1.1
 
Other Specification
Brake Without Brake 24VDC Permanent Magnet Brake
IP Degree IP40
Operating Environment Operating Temperature: 0~40°C (Optional: -40 to 60°C), 
Storage Temperature: -40 to 80°C, 
Ambient Humidity: 90% Relative Humidity (Non-condensing)

 

Note: We offer OEM/ODM customization services. If you have any additional technical requirements, please contact us for further consultation.

MJA-14 MJA-17 MJB-14 MJB-17

MJX Series Actuator Model Description

MJ A 14 -100 -4E -SA17 -D6 E -A1
Series Brake Model  Gear Ratio Motor Voltage & Incremental Encoder Absolute Value Encode Drive Model Default Communication Config. Version Number
MJ A:nil 14 100 4:48V
E:Equipped with Incremental Encoder
S:Single Turn
M:Multi-Turn
A:Absolute Value
17:Encoder Single-Turn Resolution
D3:RDM2
D6:RGT
E: EtherCAT
C:CANopen
A1:Design Version Number
17 50/100/120
B:Permanent Magnet Brake 14 100
17 50/100/120

ExampleModel:

Assemble the robot quickly

Assisting in streamlining robot design, accessory selection, and performance testing to save time and manpower costs

Seven-Axis Cobot