MJX Series

MJX Series

Bestseller

• Tech Robots 3rd generation joint module, 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 >

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

  • 0.63kgSelf-Weight
  • 69mmMinimum Diameter
  • 48N·m:Maximum Average Load Torque、45rpm:Maximum Speed
  • <60arcsecRepeatability

MJA-14

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

MJA-17

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

MJB-14

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

MJB-17

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 MJA-14 MJA-17 MJB-14 MJB-17
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 -- CANopen/EtherCAT
 
Dimensions
Joint Diameter mm 69 76 69 76
Joint Length mm 86 101 86 101
Through Hole Diameter mm 5 7 5 7
Joint 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 SeriesModel 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

ExampleJoint Model:

Assemble the robot quickly

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

Seven-Axis Cobot