Defects easy to appear in welding robot welding

With the development of electronic technology, computer technology, numerical control and robotics technology, automatic welding robots have become increasingly mature since they were used in production in the 1960s. However, although welding robots use argon-rich gas shielded welding or submerged arc Welding and other advanced and efficient new processes, but some welding defects will appear during the welding process. Among the more common ones are: Welding deviation, undercut, porosity, etc.:

1. Poor gas protection may occur, the primer of the workpiece is too thick, or the protective gas is not dry enough, it can be dealt with by adjusting accordingly;

2. An arc crater is formed at the end of the weld after cooling, and the submerged arc crater function can be added to the work step during programming to fill it up;

3. The occurrence of undercut may be due to improper selection of welding parameters, incorrect angle or position, you can appropriately adjust the power to change the welding parameters and adjust the relative position of the workpiece during welding;

4. Excessive spattering may be due to improper selection of welding parameters, gas composition or too long outer elongation of the welding wire. You can adjust the power to change the welding parameters, adjust the gas proportioner to adjust the mixed gas ratio, and adjust the welding gun and the workpiece. Relative position

5. The occurrence of welding deviation may be caused by incorrect welding position or problems when searching for the welding gun. At this time, it is necessary to consider whether the TCP (position of the center point of the welding gun) is accurate and adjust it. If this happens frequently, check the zero position of each axis of the welding robot and re-calibrate to correct it.