Robotics
Smart NJ4
SMART NJ4
Smart NJ4 - Hollow wrist

The third generation of “Hollow wrist” robot family signed Comau Robotics:
the new spot welding reference. Ten years experience in designing hollow wrist robots together with the new parallelogram structure of latest generation of industrial robots: SMART NJ4. The structure of the robot NJ4 “hollow wrist” makes it possible to keep all the welding gun service and power cables inside the robot. It provides agility, penetrability and applicability characteristics that, at present, cannot be found elsewhere on the market. 

Technical Features:

  • Integrated dressing from the base to the flange of the robot.
  • Parallelogram structure with no balancing mass.
  • Perfect symmetry of the mechanical structure.
  • Strong, agile and streamlined kinetic structure.
  • Reduction in cycle-time.
  • Low power consumption: energy saving, up to 25% more
  • Possibility of installation both on floor and at ceiling  
  • 5 years full warranty on integrated dressing
  • Integrated dressing from the base to the flange.
Model    
NJ4 170-2.5 Standard
NJ4 175-2.2 Compact
Number of Axes  
6
Load at wrist (kg)
170 
175
Repeatability (mm)
0.1
0.1
Max. horizontal reach (m)  
2.5
2.2
Installation position   
Floor / Ceiling
Floor / Ceiling