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Welding system and welding method

A welding system and welding wire technology, applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve problems such as high-temperature cracks and inability to ensure sufficient penetration depth, and achieve the effect of suppressing high-temperature cracks

Active Publication Date: 2017-07-28
KOBE STEEL LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, depending on various set conditions, for example, sufficient penetration cannot be ensured, or high-temperature cracks may occur in parts where the root gap (gap width) of the groove of the welded part is narrow

Method used

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  • Welding system and welding method

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Embodiment Construction

[0035] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0036]

[0037] First, the welding robot system 1 according to the present embodiment will be described. figure 1 It is a figure which shows an example of the schematic structure of the welding robot system 1 which concerns on this embodiment.

[0038] Such as figure 1 As shown, the welding robot system 1 has: a welding robot (manipulator) 10, which welds the parts to be welded (workpiece) through electrodes; a control device (controller) 20, which controls the welding robot 10; and a database selection device 30, Makes the selection of the database file used in the welding job.

[0039] Here, the database file refers to a table in which various welding-related working conditions (parameters related to welding work) are registered. In the present embodiment, welding conditions such as welding current and arc voltage between the electrode and the workpiece...

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Abstract

The invention provides a welding system and a welding method. In a welding robot system (1), a welding robot (10) senses a workpiece before welding, and a database selection device (30) selects a database file specifying welding conditions based on the sensing result. Then, the control device (20) controls the welding robot (10) to perform welding based on the selected database file. In the selection of the database file, the database selection device (30) acquires the size of the root gap measured at each sensing point along the welding line of the workpiece, and selects the database based on the size of the root gap at both ends of each sensing interval document. Accordingly, welding can be performed using welding conditions that ensure appropriate penetration and suppress the occurrence of high-temperature cracks.

Description

technical field [0001] The invention relates to a welding system and a welding method. Background technique [0002] An industrial robot such as a welding robot that performs welding operates so as to execute the work set by the teaching data when it is provided with the teaching data. The teaching data is constituted, for example, as a set of program files in which actions to be executed by the robot are described, and data files in which data such as various conditions are described. And, by combining these files, the welding robot can execute the desired work. [0003] As a method of setting various conditions for causing a welding robot to perform a desired operation, for example, Patent Document 1 describes an automatic welding method in which a cross-sectional shape of a welded joint perpendicular to a welding line is measured, based on The obtained cross-sectional shape of the welded joint is used to obtain the size of the gap of the welded part and the center posit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/02
Inventor 定广健次裴继东
Owner KOBE STEEL LTD