Electric arc welding device and its control method

A control method and arc welding technology, applied in arc welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of welding quality deterioration and damage

Inactive Publication Date: 2003-06-25
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the output current is not controlled in real time according to the welding conditions, deterioration of welding quality (such as damage to the base metal) often occurs

Method used

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  • Electric arc welding device and its control method
  • Electric arc welding device and its control method
  • Electric arc welding device and its control method

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Embodiment Construction

[0016] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which the same reference numerals represent the same components.

[0017] figure 2 is a block diagram of an arc welding apparatus according to an embodiment of the present invention. Such as figure 2 As shown, the arc welding equipment includes: a robot mechanism 200 (ie, a welding robot); a welding unit 300, which includes a welding torch 320, a gas supplier 330, a metal wire electrode supplier 340 and an arc located on the hinged part of the robot mechanism 200. The welding controller 310 , the arc welding controller 310 is used to control the welding torch 320 , the gas supplier 330 and the wire electrode supplier 340 . The arc welding apparatus also includes a control unit 100 for controlling the robot mechanism 200 and the welding unit 300 .

[0018] The control unit 100 includes a central processing unit 50 for controlling the overa...

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Abstract

An arc welding apparatus and control method thereof, changes welding power in real time to achieve favorable welding quality. The welding apparatus includes a robot mechanism such as a welding robot, a welding unit including a welding torch at an articulated portion of the robot mechanism, and a control unit to set a welding profile in accordance with welding conditions and a welding path, and to control the robot mechanism and the welding unit in real time in accordance with the welding profile. The method includes setting a welding condition for a parent metal, setting a welding path on the parent metal, setting a welding profile and change factor in accordance with the welding condition and the welding path, and performing a welding operation in accordance with the welding profile. Therefore, the arc welding apparatus and control method thereof achieves a favorable welding result regardless of a type of parent metal by controlling welding power in real time according to conditions of the parent metal.

Description

technical field [0001] The invention relates to an arc welding equipment, in particular to an arc welding equipment capable of changing welding power in real time according to welding conditions to obtain good welding quality and a control method thereof. Background technique [0002] Currently, many types of industrial robots (such as welding robots) are used to perform welding operations on various welding materials (such as iron plates). In a welding operation using a robot, the base metal is moved onto a welding jig and held there. The starting point and end point of the welding line on the base material are input into the robot, and the welding torch is driven by the control unit to carry out the welding operation according to the pre-stored program. [0003] In welding operations on such base metals, the arc welding process is mainly used. The arc welding process can generate a strong current between the welding torch and the base metal, and at the same time supply t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/12B23K9/095B23K9/10B23K9/127
CPCB23K9/0956B23K9/1062B23K9/1274B23K9/095
Inventor 洪性榛
Owner SAMSUNG ELECTRONICS CO LTD
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