Welding technology for steel plates

A welding process and steel plate technology, applied in welding equipment, manufacturing tools, arc welding equipment, etc., can solve the problems of low quality of welding workpieces and accidents, and achieve the effect of fast and safe welding, ensuring welding quality, and selecting accurate and standardized materials.

Inactive Publication Date: 2015-05-06
WUHU CIMC RUIJIANG AUTOMOBILE
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  • Abstract
  • Description
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Problems solved by technology

[0006] However, due to the diversity of welding methods and welding materials, there are various irregularities in the welding process, which leads to low quality of welded workpieces and sometimes accidents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] A welding process for steel plates, characterized in that it comprises the following steps:

[0025] (1) Preparation before welding:

[0026] First, remove all the accumulated water and snow on the surface of the weldment to ensure that the surface of the weldment is dry;

[0027] Second, remove the dirt on the surface of the parts to be welded, such as lumps of rust oxides, oil, etc.;

[0028] Third, the welding method and the selection of welding materials, the melting electrode CO2+Ar gas shielded welding is used for welding, and the welding wire of H08Mn2SiA steel grade;

[0029] (2) Temporary spot welding:

[0030] First, according to the size of the welded structural parts, the length of spot welding is selected as 60mm;

[0031] Second, pay attention to spot welding. The height and width of temporary spot welding must not exceed the size of the future weld. It should be a part of the future weld. Back spot welding, when the front side is welded, the...

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Abstract

The invention discloses a welding technology for steel plates, and relates to the technical field of welding technologies. The welding technology includes the four steps of pre-welding preparing, temporary tack welding, welding and post-welding processing. By means of the welding technology for the steel plates, the welding steps are simplified, the welding mode is simple, standard specifications are selected for materials, and the steel tube welding quality can be guaranteed; a regular welding mode is provided for the steel plates which are 3 mm in thickness, and rapid and safe welding of the steel plates which are 3 mm in thickness is facilitated.

Description

technical field [0001] The invention relates to the technical field of welding technology, in particular to a welding technology for steel plates. Background technique [0002] Different welding methods have different welding processes. [0003] The welding process is mainly determined according to the material, grade, chemical composition of the workpiece to be welded, the structure type of the weldment, and the welding performance requirements. [0004] First of all, it is necessary to determine the welding method, such as manual arc welding, submerged arc welding, argon tungsten arc welding, gas metal arc welding, etc. There are many types of welding methods, which can only be selected according to specific conditions. [0005] After the welding method is determined, the welding process parameters are formulated. The types of welding process parameters are different. For example, manual arc welding mainly includes: electrode type (or grade), diameter, current, voltage, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/173B23K9/235
CPCB23K9/173B23K9/235
Inventor 李朋朋杨麟张剑何冬梅
Owner WUHU CIMC RUIJIANG AUTOMOBILE
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