Below is an example video which shows how to cut holes with a plasma gun in a steel pipe using both an industrial KUKA robot arm as well as a collaborative (UR) robot, together with an indexed rotary table. The benefits of robots become apparent in examples like this one, where multiple axes are required.
If the video is too fast to follow, you can slow it down in the browser by right-clicking and selecting the playback speed.
The file hole.json used in this example is available here:
hole.zip (11.6 KB)
Below is the same video in other languages:
German:
Brazilian Portuguese: