A particularly robust system was chosen in this case because the vision system is placed right beside the welding head. Along with quality, positioning is also a crucial factor since part of the interior fittings must later be attached to the threaded bolts. The intervals and positions of the bolts must therefore be absolutely correct.

Task:

The robot moves to Position 1 and welds on the threaded bolts. The pictor examines the weld quality and determines the centre point of the thread. The pictor transmits the coordinates for the second bolt to the robot control. The robot moves to Position 2 and welds. The pictor checks the weld quality and determines the interval between the bolts.

Solution:

Compact assembly of pictor, T100-range  telecentric lens,

RK2029-W ring light, lens mount, assembly plate.

A mechanically robust system is required.

Electrical: The vision system must withstand disturbances by currents of 15 kA during welding. Intelligent cameras are particularly suitable since they have a short lead and are therefore less prone to disturbances.