3kg Payload 0.02mm Repeatability Collaborative Robot Arm for Precision Dispensing The AUBO iS3 is the precision dispensing configuration of the iS standard series: a 3kg payload 625mm reach collaborative robot arm with 0.02mm repeat positioning accuracy. What separates this build from a general-purpose unit is 0.02mm repeatability that holds a glue bead width steady from the first part to the ten-thousandth. The body is sealed to IP67, runs on the AUBO-CB-iS controller with a