AWS - Chapter 11 - Mechanized, Automated and Robotic Welding
| Organization: | AWS |
| Publication Date: | 1 January 2001 |
| Page Count: | 36 |
scope:
In automated welding, defined as "welding with equipment that requires only occasional or no observation of the weld, and no manual adjustment of the equipment controls,"5 the welder's involvement is limited to activating the machine to initiate the welding cycle and observing the weld on an intermittent basis, if at all. Robotic welding, defined as "welding that is performed and controlled by robotic equipment,"6 entails no involvement on the part of the welding operator in performing the weld, as the welding operations are carried out and controlled by welding robots. In both automated and robotic welding, however, the operator plays an active role in quality control through the identification of the presence of weld discontinuities. When discontinuities are encountered, appropriate measures must be taken on the part of maintenance or programming personnel to correct deviations. Adaptive control welding is defined as "welding with a process control system that automatically determines changes in welding conditions and directs the equipment to take appropriate action."7 This process application relies on sensors to provide real-time data regarding abnormalities to the computer controller. The controller then makes the necessary changes in welding parameters to produce quality welds. Thus, welding is performed and controlled without operator intervention or supervision. Figure 1 summarizes the capabilities of the different welding application methods.
abstract:
Mechanized, Automated and Robotic Welding
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