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  AutoCal Automatic Robot Cell Recovery System

AutoCal Automatic Robot Cell Recovery System 

Manufacturers today rely more and more on industrial robots for efficiency and quality. Robots used for welding, cutting, material handling, dispensing, and assembly must operate at very high levels of reliability and repeatability/accuracy to meet the demands of modern manufacturing. This means that any mechanical failure of the robot system - whether the robot itself or any of its peripherals - can result in many hours of lost production or can generate large amounts of scrap parts.

 

The AutoCalTM system offers an in-line robot calibration solution designed to quickly and automatically guarantee the performance of robotic equipment. Adaptable to a wide variety of robotic applications and compatible with most robot types, the AutoCal system can detect drift or sudden changes to the robot structure itself (including joint offsets) as well as its Tool Center Point (TCP), and then automatically correct for those changes without any operator intervention. This means no “guessing” of what went wrong, no valuable time wasted reteaching robot programs, and no loss of production quality!

 

The AutoCal system - Dynalog’s State-of-the-Art Calibration Technology

Dynalog is the world leader in robot cell calibration technology. Its mainstream product - the DynaCal system - is used for off-line robot cell calibration, and has been accepted by many major robot manufacturers and end-users as the most accurate and technically advanced robot calibration process available. The AutoCal system incorporates some of the proven DynaCal calibration technology into an in- line, economically priced, fully automated system designed specifically for process monitoring and recovery purposes.

 

The AutoCalTM  system - How it works

The AutoCal system comes in different forms, depending on the particular robot controller and its level of integration (contact Dynalog for more information). However, a typical installation consists of (1) the AutoCal software, (2) a micro controller (optional), and (3) a rugged industrial sensor.  The  AutoCal system  relies on simple and automatic measurements right at the tip of the tool (TCP): no special artifact or interface required! Between

production cycles, the robot automatically executes - in a matter of seconds - a “Quick- Check” measurement routine to assess overall system performance and to detect any drift or crash of the robot or TCP. Any changes to the robot structure or TCP can then be automatically corrected through the AutoCal system’s “Recovery Calibration”. Finally, before resuming production, the AutoCal system will confirm the accuracy of the corrected robot and its TCP, to ensure consistent quality and process control.

 


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