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Apparatus and method for monitoring resistance welding and system thereof

A resistance welding and resistance technology, applied in welding monitoring devices, resistance welding equipment, welding power sources, etc., can solve problems such as difficulty in accurately grasping welding inferiority, inability to use ultrasonic inspection equipment, etc., to reduce test time, improve reliability, and the effect of tuning reliability

Inactive Publication Date: 2013-09-18
金在垠
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the non-destructive testing equipment in the related art as described above has a problem that only skilled experts can analyze the ultrasonic pattern because the ultrasonic inspection equipment is used, and non-skilled persons cannot use the ultrasonic inspection equipment.
[0006] In addition, since the position, pressure, and contact characteristics of the probe exert influence on the pattern change, different results are obtained depending on the proficiency of the measurer, and thus it is difficult to accurately grasp the welding inferiority

Method used

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  • Apparatus and method for monitoring resistance welding and system thereof
  • Apparatus and method for monitoring resistance welding and system thereof
  • Apparatus and method for monitoring resistance welding and system thereof

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Embodiment Construction

[0028] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Matters defined in the description, such as detailed construction and elements, are nothing but specific details provided to assist those of ordinary skill in the art in a comprehensive understanding of the invention, and thus the present invention is not limited thereto.

[0029] In order to clearly explain the present invention, descriptions of parts irrelevant to the explanation will be omitted. Throughout the description of the present invention, the same drawing reference numerals are used for the same elements in the various figures.

[0030] Throughout the specification and claims, the terms "comprising" and / or "comprising" mean one or more other components, steps, operations and / or in addition to the described components, steps, operations and / or elements, Existing or added components that are not excluded.

[0031] figure 1 is a diagram ...

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Abstract

A method for monitoring resistance welding is provided, which includes receiving an input of waveform data obtained by converting current or voltage applied to a transformer welding gun into a digital signal through a teaching group filter; comparing the input waveform data with acceptance waveform data of current or voltage that is accumulatively stored through a destructive test; determining acceptance of a quality of a corresponding welding product if the input waveform data and the acceptance waveform data are equal or similar to each other within a predetermined error range, and determining rejection of the quality of the corresponding welding product if the input waveform data and the acceptance waveform data are different from each other; and outputting an acceptance or rejection message depending on the result of the determination.

Description

technical field [0001] The present invention relates to an apparatus, method and system for monitoring resistance welding, and more particularly, to an apparatus, method and system for monitoring resistance welding in which the current applied to the welding torch of the transformer Or the waveform data obtained by converting the voltage into a digital signal is compared with the corresponding acceptance waveform data accumulated and stored through the destructive test, and the acceptance or rejection of the corresponding welding product quality is determined depending on the comparison result, and the corresponding welding product is displayed. accept or reject the message to notify the user of the message. Background technique [0002] In general, resistance welding means an engineering method in which heat is generated by contact resistance occurring at the contact surface of the metal and specific resistance of the metal by forming a large current in a compressed state, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/36
CPCB23K11/257B23K11/258B23K11/31B23K31/125B23K2101/006B23K11/25
Inventor 金在垠河相守
Owner 金在垠
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