Wolf Robotics offers weld sensing devices.
Wolf Robotics
has an assortment of sensing devices available to
find, follow and feed back other information about
the weld joint. These sensing devices include simple
tactile touch sensors, through-the-arc tracking sensors
and laser vision sensors.
SmarTac
is a patented tactile touch sensor that locates the
part by energizing the gas nozzle with electricity
during the search mode. A circuit is made when the
gas nozzle or welding wire touches the conductive
work piece. The robot's controller compares the actual
position with the position stored in memory, calculates
the difference and adjusts the program accordingly.
Advanced
Weld Control (AWC) is a through-the-arc sensor
that actually tracks the weld joint by measuring the
change in the arc and adjusting the position of the
robot arm and torch as the arc gets closer to one
side of the joint or the other. AWC is particularly
good for heavy welding applications as it can control
the travel speed and weld weave as the joint changes
and can even accommodate multi pass welding.
LaserScan
is a sensor that is fully integrated into the control
system of the robot, and it's easy to program using
the robot's user-friendly dialogue language. The sensor
steers the robot to follow the seam accurately by
constantly measuring the position and shape of the
seam and adapts the welding parameters accordingly.
LaserScan has an integrated rotary function to orient
the sensor over the seam, saving the cost of an extra
robot axis.
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