Project Description

Cobot Joint Module

  • Compact: compact structure and flexible design features
  • Lightweight: integrated design of motors, reducers, sensors, drives, etc.
  • Accurate: Repeated positioning accuracy higher than 0.002°
  • Powerful: The output continuous torque:10/84N.m. 
  • Normally 48VDC power supply, 
  • Modbus RS485, supporting most mainstream robot controllers
  • Customized development services
ENQUIRY

High Performance Cobot Joint Module

 

Product Summary

The integrated high-capacity moment motor, high- precision dual-position sensor, high-precision harmonic reducer, high-security servo drive, and brake are integrated to meet the requirements of user’s strong moment output. At the same time, it has multiple hardware safety detection and software protection functions. Algorithm based on observer are integrated to make the control more stable

Specification Parameters

Joint PRJM-14

Joint PRJM-25

Dimension ( L x W X H  (mm) )

83×122.5×86.5

116x155x128

Weight (Kg)

1.45

4.2

Reduction speed ratio

101

101

Transmission accuracy (°)

0.05

0.05

Repeatability accuracy (°)

±0.005

±0.005

Motion range of joint (°)

±360

±360

 

Supply voltage (VDC)

48

48

Rated current ( A)

2.75

18.3

Peak current (A)

6.0

37.2

Rated output speed (RPM)

29.7

29.7

Maximum output speed (RPM)

29.7

29.7

Maximum angular acceleration ( ° /s2)

540

540

 

Torque constant( Nm/A)

7.76

7.11

Rated torque( Nm)

10

84

Maximum continuous average torque(Nm)

13.5

133

Peak torque(Nm)

66

351

Brake

Yes

Yes

 

Incremental photoelectric encoder resolution (°)

0.36(1000PR)

0.072(5000PR)

Absolute magnetic encoder resolution (°)

0.0027(17bits)

0.0027(17bits)

Absolute magnetic encoder repeatability (°)

0.002

0.002

Absolute magnetic encoder accuracy (°)

±0.05

±0.05

 

Maximum efficiency

70%

70%

Maximum efficiency of harmonic reducer

70

75

Working environment temperature (℃)

0-50

0-50

Safety protection

Undervoltage, overvoltage,overcurrent,

Temperature protection

Other sensors

Temperature,voltage,current

Communication protocol

Modbus RS485

Protection class

IP54

IP54