Defect analysis and solution of welding robot
DANBACH ROBOT

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The welding robot adopts argon-rich mixed gas protective welding. The welding defects appearing in the welding process generally include welding deviation, undercut, and venting. The specific analysis is as follows: (1) A weld offset may occur if the position of the weld is incorrect or the weld gun is looking for problems. At this time, consider whether TCP (the position of the torch center point) is accurate and adjust it. If this happens frequently, check the zero position of each axis of the robot and recalibrate it to correct it.
(2) The occurrence of pores may be poor gas protection, the primer of the workpiece is too thick or the shielding gas is not dry enough, and the corresponding adjustment can be processed.
(3) Excessive splashing may be improper selection of welding parameters, gas component reasons or excessive elongation of the welding wire. The power can be appropriately adjusted to change the welding parameters, adjust the gas proportioning instrument to adjust the proportion of the mixed gas, adjust the welding torch and The relative position of the workpiece.
(4) An crater is formed after the end of the weld is cooled, and the buried crater function is added to the work step during programming to fill it.
(5) The undercut may be improperly selected for welding parameters, the angle of the welding torch or the position of the welding torch is incorrect. The power can be appropriately adjusted to change the Welding robot parameters, adjust the posture of the welding torch and the relative position of the welding torch and the workpiece.


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