Robotic welding is a fully automated process that removes human involvement from handling and welding materials. It is commonly used in the automotive industry and involves programmable robots using arc and spot welding. Different types of robots are used, and signature image processing can improve efficiency and quality. Some processes require human preparation, but true robot welding is fully automated.
The robotic welding process can remove all human involvement from both the handling and welding of various materials. These are typically programmable robots that can perform these functions without any human interference and with limited supervision. A large percentage of all robots used for industrial applications are involved in welding. Methods that robots commonly use include arc welding and spot welding. One sector that makes extensive use of welding robots is the automotive industry, which has been using them in increasing numbers since the 1980s.
Some of the first robots began appearing in various industrial applications in the 1960s, although they didn’t become widely used until the 1980s. At that time, the automotive industry started using them for spot welding. This type of welding on an automotive assembly line can be repetitive and tedious work and was well suited to automation. The parts are automatically moved to the robots and the robots work according to the pre-set schedule, so little or no human interaction is required for this process.
Robotic welding is used in a number of different industries and a few different robotic systems are used. Each robot typically consists of a control unit which contains programming and processing capabilities and a mechanical unit which can be used to manipulate materials and welding equipment. The different types of robots are generally classified according to the way their manipulator component operates. A Cartesian robot typically has three axes of motion in its manipulator components, each of which moves linearly at right angles to the others. Other robots may use specially articulated arms that can provide a better range of motion.
Signature image processing is a technique that can be used in robotic welding to improve welding efficiency and quality. This technology can be used to examine the quality of the work produced in robotic welding as it occurs, so that adjustments can be made. Using a variety of processing methods, errors and other problems can be identified and resolved immediately.
Some processes use robotic welding machines but require a person to prepare materials to some extent. Even if a robot is welding under these circumstances, the term robot welding typically only refers to processes that are fully automated from start to finish. An example of robot-assisted welding is gas metal arc welding. This process will often be automated to some extent, although a human will usually prepare the materials and operate the machinery in some capacity.
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