About Collaborative

 

About Collaborative Robotics

Modes of Robot Collaboration

A collaborative robot is designed to work with a human operator, positioned near them in a shared workspace. For example, the operator may perform the first part of a task while the cobot finishes the rest.

 


 
 
 
 
 
 
 
 
 

What is a Collaborative Robot (Cobot)?

Collaborative robots are being designed as inherently safe to work around people. This involves new ideas for robotic arms including reducing their strength and speed, new types of joints, softer materials, and using advanced sensors to shut down the cobot safely if it accidentally collides with someone.

There are four types of collaborative robot features according to ISO 10218-1 and 10218-2.

Each of these features, individually, qualifies a robot as collaborative. 

Collaborative modes - English-1.jpg
 

 


What are Power and Force Limiting Features?

  • Sensors in each joint — any value detected by the sensor will be compared to standard state and evaluated in order to perform an action (i.e. stop, move away from the force, etc.)

  • Hand guiding — easy and intuitive robot path programming by dragging the arm around its working envelope and registering positions and end effector actions

  • Round shaped design — created to smooth the surface, remove sharp edges from impact dissipation, integrated motors and wiring, pinch point free design to prevent hand squeeze, lightweight

  • Additional safety options — soft active or passive skin (jacket) for softened impact 

 

A cobot in PFL mode will have slower speeds than an industrial robot


Let's take a look at an industrial collaborative robot's axes

An industrial robot, whether collaborative or traditional, has various axes configurations.  Six-axis robots allow for greater flexibility and can perform a wider variety of applications than robots with fewer axes. The diagram below indicates each of the HC10 robot's six axes. 


HC10 Axes - English.jpg

2019 Yaskawa America, Inc.- Motoman Robotics Div.
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