Introduction
Arc automatic welding is a new type of welding technology developed in 20th century. It mainly adopts electric arc as heat source and automatic driving mechanism. The welding procedure is automatically carried out by the welding robot, which can make complex arc automatic welding easy, and improve the welding efficiency and welding quality.
Advantages
Arc automatic welding has a number of advantages over manual welding with electrode. First, arc robotic welding is highly automated and substantially reduces the amount of manual work required. Second, arc welding provides a faster rate of deposition than other methods and increases the overall welding efficiency. Third, arc welding has better welding quality, because arc welding is more controlled and easier to control arc parameters, like pulse frequency and current intensity, than other methods. Fourth, arc welding does not require special skills, but only automation and some basic adjustments to the welding parameters.
Principles
The basic principle of arc automatic welding is relatively simple. It involves the use of an electric arc that is generated between a welding electrode and the workpiece. The energy from the arc causes fast-moving particles of metal to transfer from the welding electrode to the base material of the workpiece. The molten metal can then flow, making a penetration welding joint.
The arc welding process is automated by having a robotic arm manipulate the welding electrode. The robotic arm is managed by a control system, that includes a feedback loop that monitors the parameters such as voltage, current intensity, etc. and adjusts them in real time according to an algorithm or other criteria.
Applications
Arc automatic welding has become one of the most widely used welding processes in a variety of industries. It is commonly used in the automotive, aerospace, electronics, and construction industries and is increasingly applied to nuclear and pressure vessels, as well as for medical and machinable fusion equipment.
The ability to control and automate the welding process makes arc automatic welding especially useful for welding complex and large parts that must be extremely precise. To achieve this precision, a higher level of welding expertise is required, and the process can be made faster and more accurate if current and other parameters are precisely adjusted to suit the welding application.
Conclusion
Arc automatic welding has revolutionized the welding industry in the 20th century. It has become a widely used process for welding complex and precision parts, due to its speed, accuracy and ability to be automated. Arc automatic welding is still constantly evolving, with advanced automation techniques and control systems being developed, which should further improve welding quality and increase welding efficiency.
