Welding system, welding quality evaluation method, and welding product manufacturing method

By integrating welding devices and evaluation components in the welding system and evaluating welding data using machine learning models, the problems of simplified welding quality evaluation accuracy and algorithm construction in the prior art are solved, and high-precision evaluation of multiple welding parts is achieved.

CN114951912BActive Publication Date: 2024-12-24YASKAWA DENKI KK
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Patent Information

Application Number
CN202210138129.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-02-16
Filing Date
2022-02-15
Publication Date
2024-12-24
Estimated Expiration
2042-02-15

AI Technical Summary

Technical Problem

The existing welding quality evaluation methods are difficult to achieve high-precision and simplify algorithm construction, and the evaluation of multiple welding parts requires complex determination algorithm construction and analysis.

Method used

A welding system was designed, including a welding device, a data acquisition unit and a quality evaluation unit. The welding data was obtained through the robot device and the welding controller, and the welding quality was evaluated using specific judgment algorithms and machine learning models, which simplified the algorithm construction. Process, suitable for high-precision evaluation of multiple welding parts.

Benefits of technology

It realizes high-precision evaluation of welding quality and simplifies algorithm construction, reduces the need for detailed analysis of welding conditions, improves the efficiency and accuracy of the welding system, and is suitable for evaluation of multiple welding parts.

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Abstract

A welding system, a method for evaluating welding quality, and a method for manufacturing welded products. The evaluation accuracy of welding quality and the simplification of the construction work of an algorithm used in the quality evaluation are achieved at the same time. A welding system according to one aspect of the present invention comprises: a welding device that performs welding of a plurality of welding locations set on a workpiece; a data acquisition unit that acquires welding data indicating the state when welding is performed on the plurality of welding locations; and a quality evaluation unit that evaluates the welding quality for each welding location based on the welding data acquired by the data acquisition unit and a determination algorithm corresponding to the welding location, wherein the determination algorithm determines the welding quality corresponding to the input of the welding data.
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