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Device and method for detecting intensity of welding joint of electric resistance welding

A welding joint and strength detection technology, which is applied in the direction of resistance welding equipment, welding power supply, welding power supply, etc., can solve the problems of large fluctuations in the accuracy of measurement results, and a large amount of manpower and material resources.

Inactive Publication Date: 2014-03-12
沈阳众瀛高科技股份有限公司
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AI Technical Summary

Problems solved by technology

The results obtained by frequent manual testing are difficult to meet the needs of actual production and technological development. It requires a lot of manpower and material resources, and the accuracy and fluctuation of the measurement results are relatively large.

Method used

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  • Device and method for detecting intensity of welding joint of electric resistance welding
  • Device and method for detecting intensity of welding joint of electric resistance welding
  • Device and method for detecting intensity of welding joint of electric resistance welding

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Embodiment Construction

[0052] An embodiment of the present invention will be further described below in conjunction with the accompanying drawings.

[0053] Such as figure 1 As shown, a resistance welding joint strength detection device includes a voltage transformer for detecting the working voltage of the welding machine, a current transformer for detecting the working current of the welding machine, a displacement sensor for detecting the moving speed of the welding machine, and A temperature sensor for detecting the temperature of the welding rod, a humidity sensor for detecting the ambient humidity, a frequency sensor for detecting the working frequency of the welding machine, a filter circuit, a data acquisition chip, a central processing unit and a computer;

[0054] In the embodiment of the present invention, the JDG4-0.51000 / 100 model and the LZJC-10Q1000 / 5 model are selected for the voltage transformer and the current transformer respectively, and the working voltage and working current of...

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Abstract

The invention relates to a device and a method for detecting the intensity of a welding joint of the electric resistance welding, and belongs to the technical field of welding. The invention provides a model for processing data by a nonlinear simplex method, and the problem of data distribution information nonuniformity is solved, so the information distribution is more reasonable, the element attribute information of the welding joint and the element space information of the welding joint can be fully applied, the bonding intensity of welding joints can be accurately predicated, the timely improvement is realized through the device, the labor and the materials are saved, and the cost is reduced.

Description

technical field [0001] The invention belongs to the field of welding technology, and in particular relates to a resistance welding joint strength detection device and method. Background technique [0002] Resistance welding is a kind of solid-phase welding. The test pieces to be welded rely on the heat generated by their own resistance to melt each other and then connect them into one. This method is widely used in thin plate welding. The formability and combination of resistance welded joints are mainly affected by the relevant process parameters in the resistance welding process, such as welding current, welding time, upsetting pressure, holding time, etc. The current research on the influence of welding process on the mechanical properties of welded joints still adopts the traditional actual measurement method, which is to actually measure the mechanical properties of welded joints under different process parameters, calculate the corresponding data according to the measu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/36G06F19/00
CPCB23K11/241B23K11/257B23K11/258B23K11/36B23K31/125B23K2101/185
Inventor 苏允海马大海张桂清回茜林金梁陆璐刘正军
Owner 沈阳众瀛高科技股份有限公司
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