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Welding method, system and readable medium for longitudinally welded pipe

A technology of straight seam welded pipe and welding method, which is applied in the field of welded pipe welding and welding, to achieve the effects of ensuring welding quality, avoiding errors, and convenient selection

Active Publication Date: 2022-05-31
ZHANGJIAGANG HUACHENG LOCOMOTIVE PRECISION PIPE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the welding process of the existing longitudinal seam welded pipe is relatively mature, the adjustment of some process parameters such as welding temperature and welding current is usually based on manual experience, although the general welding process is equipped with feedback mechanisms such as temperature sensors and cameras. Adjust the welding parameters according to the feedback results, but it is inevitable to have hysteresis

Method used

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  • Welding method, system and readable medium for longitudinally welded pipe
  • Welding method, system and readable medium for longitudinally welded pipe
  • Welding method, system and readable medium for longitudinally welded pipe

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Embodiment 1

[0032] This embodiment discloses a welding method for a straight seam welded pipe, such as figure 1 shown, including the following steps:

[0033] 1) Input the obtained interface parameters of the welding surfaces of multiple welded pipes into the neural network model, and train them to obtain classification results.

[0034]like figure 2 As shown, the network layers of the neural network model include the first convolutional layer, the first maximum pooling layer, the second convolutional layer, the second maximum pooling layer, the third convolutional layer and the third maximum pooling layer. The fully connected layer of the network model includes three fully connected layers. The size of the convolution kernel of the first convolutional layer is 3x3, the number is 256, and the step size is 2; the window size of the first maximum pooling layer is 3x3, and the step size is 2. The length is 2; the convolution kernel size of the second convolutional layer is 3x3, the number...

Embodiment 2

[0055] Based on the same inventive concept, the present embodiment discloses a welding system for a straight seam welded pipe, including:

[0056] The model training module is used to input the obtained interface parameters of multiple welded pipe welding surfaces into the neural network model, and train it to obtain classification results;

[0057] The mapping module is used to obtain welding parameters corresponding to each classification result, establish a corresponding mapping relationship between each classification result and its corresponding welding parameters, and form a mapping relationship library;

[0058] The interface parameter classification module is used to extract multiple interface parameters corresponding to the entire surface to be welded of the welded pipe, and input the extracted interface parameters into the neural network model. If the corresponding classification result is output, the welding parameters are obtained according to the mapping relationsh...

Embodiment 3

[0063] Based on the same inventive concept, the present embodiment discloses a computer-readable storage medium storing one or more programs, wherein the one or more programs include instructions, and the instructions, when executed by a computing device, cause the computing device to execute any one of the above-mentioned programs. The welding method of the straight seam welded pipe of the item.

[0064] As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usa...

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Abstract

The invention relates to a welding method for straight seam welded pipes. The acquired interface parameters of a plurality of welded pipe welding surfaces are trained on a neural network model to obtain classification results; welding parameters corresponding to each classification result are obtained, and each classification result and The corresponding welding parameters establish the corresponding mapping relationship to form a mapping relationship library; extract the corresponding interface parameters of the entire surface to be welded of the welded pipe, and classify to find the welding parameters corresponding to the classification results, and select the welding parameters on the surface to be welded of the welded pipe The starting point of welding, sort the multiple interface parameters in step 3 according to the starting point, and determine the parameter change position; generate the change order and change position of the corresponding welding parameters according to the interface parameter sequence and parameter change position, so as to obtain the parameters in the welding process Change the process flow. It can select welding parameters more objectively and accurately, and can better ensure the welding quality of longitudinally welded pipes.

Description

technical field [0001] The invention relates to a welding method, a system and a readable medium for a straight seam welded pipe, belonging to the technical field of welding, in particular to the field of welded pipe welding. Background technique [0002] Straight seam welded pipe is a steel pipe obtained by straight seam welding of hot-rolled or cold-rolled steel plate or steel strip coil welding on welding equipment. About 70% of the product quality problems of straight seam welded pipe originate from the welding production process, so , The welding method of straight seam welded pipe is one of the most critical steps in the production of welded pipe. [0003] Electric Resistance Welding (ERW) welding is a form of resistance welding. After the hot-rolled sheet is formed by a forming machine, the coil is deformed into a smooth cylindrical tube blank. When the V-shaped opening angle of the blank is loaded in the loop, due to its strong skin effect and proximity effect, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/00B23K31/02B23K101/06
CPCB23K37/00B23K31/027B23K2101/06Y02P90/30
Inventor 周金苗陈明峰韩波
Owner ZHANGJIAGANG HUACHENG LOCOMOTIVE PRECISION PIPE MFG
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