Fillet welding method based on arc welding robot

Abstract

The invention discloses afillet welding method based on an arc welding robot, belongs to the technical field of welding. The method comprises the steps of determining the width and height of the weld pass; determining the width and height of the fillet weld; determining a welding layer number; determining a weld pass number in the nth layer; determining a vertical offset of the weld passes on different layers; determining a vertical offset of the weld passes on the same layer; and determining a transverse offset of the weld passes on the same layer. Through determination of the width a and the height b of the weld pass, determination of the width and the height of the fillet weld, and determination of the welding layer number, the weld pass number on each layer, the vertical offset of the weld passes on the different layers, the vertical offset of the weld passes on the same layer and the transverse offset of the weld passes on the same layer according to the width and the height of the weld pass and the width and the height of the fillet weld, the quality of finally formed fillet weld is improved, the material stress concentration is reduced, and the fillet weld polishing is reduced.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a fillet weld welding method based on an arc welding robot. Background technique [0002] Welding is a common connection method, which is often used for fixing between various steel materials, and fillet weld is a common form of weld in welding, which can be used alone for welding two base metals, or can be used with butt welding The seam constitutes a combined weld to jointly connect the two base metals. [0003] During the welding process, the stress concentration of the material can be reduced by welding the fillet weld between two mutually perpendicular surfaces. For multi-layer welds, there are multiple welds in each layer. Among them, the selection of the number of layers of welds, the number of welds in each layer and the offset of adjacent welds is mostly based on experience. As a result, the weld seam is rough and the welding quality is poor, so that the stress concen...

AI Technical Summary

Problems solved by technology

[0003] During the welding process, the stress concentration of the material can be reduced by welding the fillet weld between two mutually perpendicular surfaces. For multi-layer welds, there are multiple welds in each layer. Among them, the selection of the number of layers of welds, the number of welds in each layer and the offset of adjacent welds is mostly based on experience. This leads to rough welds and poor welding quality, which makes it impossible to fully reduce the stress concentration of materials, and also increases the workload of later weld grinding

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