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The Concept and Characteristics of Arc Welding Robot


Arc welding robot refers to an Industrial Robot used for automatic arc welding. Its composition and principle are basically the same as spot welding robots. Arc welding robots are mainly used in the welding production of various auto parts. In this field, international large-arc welding robot-type industrial robot manufacturers mainly provide unit products to complete equipment suppliers.


The general arc welding robot is composed of teaching box, control panel, robot body, automatic wire feeding device, welding power supply and other parts. Can realize continuous trajectory control and point position control under the control of computer. You can also use the linear interpolation and circular interpolation functions to weld the space weld formed by the straight line and the circular arc. Arc welding robots mainly have two types: melting electrode welding operation and non-melting electrode welding operation. They have the characteristics of long-term welding operation and high productivity, high quality and high stability of welding operation. With the development of technology, arc welding robots are developing in the direction of intelligence.


Arc Welding Robot

Arc Welding Robot


The basic components of the Arc Welding Robot system are: robot body, control system, teaching device, welding power supply, welding torch, welding fixture, and safety protection facilities.


The system composition can also selectively expand the following devices according to the different welding methods and the different welding process requirements of the specific workpieces to be welded: wire feeder, gun cleaning and wire cutting device, cooling water tank, flux delivery and recovery device, mobile device, Welding positioner, sensor device, dust removal device, etc.


Characteristics of arc welding robot


Arc welding robots mainly have two types: melting electrode welding operation and non-melting electrode welding operation. They have the characteristics of long-term welding operation and high productivity, high quality and high stability of welding operation. The process is more complex than that of a spot welding robot. The tool center point (TCP), that is, the motion trajectory of the welding wire end, the welding gun posture, and the welding parameters require precise control. Therefore, the arc welding robot must have some functions suitable for arc welding requirements.


Although theoretically speaking, a robot with 5 axes can be used for arc welding, but it is difficult to use a robot with 5 axes for complex welds. Therefore, unless the welding seam is relatively simple, a 6-axis robot should be used as much as possible.


When the arc welding robot is performing zigzag corner welding or small diameter round weld welding, its trajectory should be close to the taught trajectory. In addition, it should have software functions for different swing styles for selection during programming for swing welding Moreover, the robot should automatically stop moving forward when the swing is at the stop point in each cycle to meet the technological requirements. In addition, there should be contact location, automatic search for the starting point of the weld, arc tracking and automatic arc re-ignition functions.


Welding Robots have a wide range of applications. Industrial robots and complete sets of automation equipment are the key equipment in the production process. They can be used in manufacturing, installation, testing, logistics and other production links, and are widely used in automotive vehicles and automotive parts, engineering machinery, rail transit, Low-voltage electrical appliances, electric power, IC equipment, military industry, tobacco, finance, medicine, metallurgy, printing and publishing, and many other industries, with a wide range of applications


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