Single-side welding device, single-side welding system, and single-side welding method
A single-sided welding and single-sided technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of different welding quality and inability to change welding conditions, etc., and achieve the effect of stable welding quality
Active Publication Date: 2015-09-02
KOBE STEEL LTD
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Problems solved by technology
In conventional single-sided welding devices, it was not possible to automatically change welding conditions according to the position to be welded, and it was not possible to automatically change welding conditions at a position where the plate thickness changes
Therefore, when welding a portion where the plate thickness changes, the operator needs to perform welding while manually adjusting (changing) the welding conditions. As a result, the welding quality of the portion where the plate thickness changes may vary depending on the operator.
Method used
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Embodiment Construction
[0060] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0061] figure 1 It is a perspective view of the single-sided welding apparatus 1 of this embodiment.
[0062] figure 2 in the single-sided welding device 1 of this embodiment figure 1 Sectional view of the Y-Y section.
[0063] image 3 Yes figure 2 Enlarged view of part Z of .
[0064] The single-side welding device 1 of the present embodiment is a device that includes a backing device 100 for disposing backing flux on the back surfaces of the groove portions G of the steel plates SP facing each other to be welded, and performs welding using the flux. . This single-sided welding device 1 performs welding by moving a welding torch 41 described later in the direction of the groove portion G of the steel plate SP to be welded, and makes the steel plate SP to be welded in the direction of movement of the welding torch 41 before and after welding. The cr...
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Abstract
The present invention provides a technique which can stabilize welding quality of the part with changeable plate thickness in a welding direction. The single-surface welding device causes a welding torch to move on single surfaces of welded steel plates for welding the welded steel plates of which the end surfaces are placed oppositely. The single-surface welding device is provided with the following components: a temporary storing part (14) for storing plate thickness welding conditions which are set correspondingly with the plate thickness of the welded steel plates; and a welding condition setting part (12) which calculates the welding condition of the part with changeable plate thickness according to the plate thickness welding conditions stored in the temporary storing part, starts to perform reading-out of the calculated welding condition according to a preset reading-out instruction and performs welding on the part with changeable plate thickness when welding is performed on the opposite end surfaces of the welded steel plates with changeable plate thicknesses in the moving direction of the welding torch.
Description
technical field [0001] The invention relates to a single-side welding device, a single-side welding system and a single-side welding method. Background technique [0002] Conventionally, as a device for welding large-area steel plates used in ships and the like, a single-sided welding device has been proposed, which allows the backing flux to flow from the groove along the groove formed by facing the end faces of the steel plates. Welding is performed from the surface of the grooved portion by crimping the back of the grooved portion. [0003] For example, the single-side welding device described in Patent Document 1 includes: a backing device having a first backing member and a second backing member for making the flux and the groove formed by butting the end faces of the steel plates to be welded against each other. The back side of the part is crimped; the conveying and fixing mechanism transports and fixes the steel plate to be welded to the top of the liner device; the...
Claims
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IPC IPC(8): B23K9/18
Inventor 斋藤康之木幡茂
Owner KOBE STEEL LTD